CLAMP ON PROBE 3270 series

AC/DC CURRENT SENSOR CT6860 series

Wide-band Models from DC to 100 MHz

CLAMP ON PROBE 3276
2

CLAMP ON PROBE 3273-50 to 3276

Because current measurement requires the insertion of a shunt or a CT,

the task often becomes difficult due to breaks in the electrical
path. The 3273-50 - 3276 CLAMP ON PROBEs only need
to be connected directly into the BNC input on waveform
observation equipment such as an oscilloscope or a recorder.
Then simply clamp onto the conductor to be measured to easily
observe current waveforms under a wide bandwidth and high
sensitivity conditions.

Important Characteristics
3273-50 DC to 50 MHz 3273-50
■ Square wave response ■ Transient response ■ Low-current measurement

Input: 1 kHz square wave 200 mAp-p Input: 1 MHz square wave 200 mAp-p Input: 100 mAp-p Input: 1 kHz sine wave 10 mAp-p
(Oscilloscope bandwidth 400 MHz) (Oscilloscope bandwidth 400 MHz) (Oscilloscope bandwidth 400 MHz) (Oscilloscope bandwidth 20 MHz)

■ 1. Frequency response ■ 2. Continuous maximum input rating ■ 3. Input impedance

(Characteristics Example) (Frequency derating) (Characteristics Example)
Amplitude [dB, 0dB=1V]

Maximum input current [Arms]

Input impedance [Ω]

30

25

20

15

10

0
10 100 1k 10k 100k 1M 10M 100M

Frequency [Hz] Frequency [Hz] Frequency [Hz]

3276 DC to 100 MHz 3276

■ Square wave response ■ Transient response ■ Low-current measurement

Input: 1 kHz square wave 200 mAp-p Input: 1 MHz square wave 200 mAp-p Input: 100 mAp-p Input: 1 kHz sine wave 10 mAp-p
(Oscilloscope bandwidth 400 MHz) (Oscilloscope bandwidth 400 MHz) (Oscilloscope bandwidth 400 MHz) (Oscilloscope bandwidth 20 MHz)

■ 1. Frequency response ■ 2. Continuous maximum input rating ■ 3. Input impedance

(Characteristics Example) (Frequency derating) (Characteristics Example)
Amplitude [dB, 0dB=1V]

Maximum input current [Arms]

Input impedance [Ω]

30

25

20

15

10

0
10 100 1k 10k 100k 1M 10M 100M
Frequency [Hz] Frequency [Hz] Frequency [Hz]
 3

CLAMP ON PROBE 3273-50 to 3276

Features ■ Waveform Example

● High S/N ratio: ideal for measuring milliampere waveforms Lighting Inverter
(Model 3273-50) 200 mA/div
20 μs/div
● Capable of waveform monitoring from wide band and minute
currents to large currents (Model 3274)
● Permits waveform observation of large current of up to 500 Arms
(Model 3275) Press Machine
Load Current
● Wide-band waveform observations, from DC to 100 MHz (Model 50 A/div
3276)
10 ms/div
● Direct connection to BNC input of oscilloscope
● Highly accurate current detection
● Newly developed indium-antimony (InSb) thin-film Hall element
● Simple overload protector prevents damage
due to overheating
● Easy measurement Automobile
● The 3273-50 includes a soft case, Starter Current
the 3274 / 3275 /3276 includes 100 A/div
a hard carrying case 1 s/div

3274 DC to 10 MHz 3274

■ Square wave response ■ Transient response ■ Low-current measurement

Input: 100 Hz square wave 20 Ap-p Input: 100 kHz square wave 400 mAp-p Input: 1 Ap-p Input: 1 kHz sine wave 50 mAp-p
(Oscilloscope bandwidth 100 MHz) (Oscilloscope bandwidth 100 MHz) (Oscilloscope bandwidth 100 MHz) (Oscilloscope bandwidth 100 MHz)

■ 1. Frequency response ■ 2. Continuous maximum input rating ■ 3. Input impedance

(Characteristics Example) (Frequency Derating) (Characteristics Example)
Amplitude [dB, 0dB=1V]

Maximum input current [Arms]

Input impedance [Ω]

100m

10m

1m

Frequency [Hz] Frequency [Hz] Frequency [Hz]

3275 DC to 2 MHz 3275

■ Square wave response ■ Transient response ■ Low-current measurement

Input: 100 Hz square wave 300 Ap-p Input: 10 kHz square wave 400 mAp-p Input: 1 Ap-p Input: 1 kHz sine wave 50 mAp-p
(Oscilloscope bandwidth 20 MHz) (Oscilloscope bandwidth 20 MHz) (Oscilloscope bandwidth 20 MHz) (Oscilloscope bandwidth 20 MHz)

■ 1. Frequency response ■ 2. Continuous maximum input rating ■ 3. Input impedance

(Characteristics Example) (Frequency Derating) (Characteristics Example)
Amplitude [dB, 0dB=1V]

Maximum input current [Arms]

Input impedance [Ω]

Frequency [Hz] Frequency [Hz] Frequency [Hz]

4
CLAMP ON PROBE 3273-50 to 3276
3273-50 3276
■ 3273-50 / 3276 Specifications (Accuracy guaranteed for 1 year, Post-adjustment accuracy guaranteed for 6 months)

3273-50 3276
Frequency bandwidth DC to 50 MHz (-3 dB) * See Fig. 1 on page 1. DC to 100 MHz (-3 dB) * See Fig. 1 on page 1.
Rise time 7 ns or less 3.5 ns or less
Continuous maximum 30 Arms 30 Arms
input range * Frequency derating see Fig. 2 on page 1. * Frequency derating see Fig. 2 on page 1.
Maximum peak current Non-continuous 50 Apeak Non-continuous 50 Apeak
value
Output voltage rate 0.1 V/A 0.1 V/A
±1.0% rdg. ±1 mV (0 to 30 Arms / DC, 45 to 66 Hz) ±1.0% rdg. ±1 mV (0 to 30 Arms / DC, 45 to 66 Hz)
Amplitude accuracy ±2.0% rdg. (30 Arms to 50 Apeak / DC, 45 to 66 Hz) ±2.0% rdg. (30 Arms to 50 Apeak / DC, 45 to 66 Hz)
2.5 mArms or less 2.5 mArms or less
Noise (measured with 20 MHz bandwidth equipment) (measured with 20 MHz bandwidth equipment)
Input impedance * See Fig. 3 on page 1. * See Fig. 3 on page 1.
Sensitivity temperature Within ±2%
Within ±2% (from 0 to 40 ˚C [32 to 104 ˚F] )
characteristics (At 50 Hz/30 Arms input, 0 to 40˚C [32 to 104˚F])
Maximum rated power 5.6 VA (Input within the maximum input range.) 5.3 VA (Input within the maximum input range.)
Power supply voltage ±12 V ±0.5 V ±12 V ±0.5 V
Operating temperature 0 to 40˚C [32 to 104˚F] , 80% rh or less 0 to 40˚C [32 to 104˚F] , 80% rh or less
and humidity (no condensation) (no condensation)
Storage temperature -10 to 50˚C [14 to 122˚F] , 80% rh or less -10 to 50˚C [14 to 122˚F] , 80% rh or less
and humidity (no condensation) (no condensation)
Effect of external Max. 20 mA (equivalent) Max. 5 mA (equivalent)
magnetic fields (DC and 60 Hz, Magnetic field of 400 A/m) (DC and 60 Hz, Magnetic field of 400 A/m)
Max. rated voltage to earth 300 V, CAT-I (insulated conductor) 300 V, CAT-I (insulated conductor)
Measurement conductor Diameter max. 5 mm [0.20"] Diameter max. 5 mm [0.20"]
Sensor: approx. 175(W) ✕ 18(H) ✕ 40(D) mm; 230 g Sensor: approx. 175(W) ✕ 18(H) ✕ 40(D) mm; 240 g
[6.89"(W) ✕ 0.71"(H) ✕ 1.57"(D), 8.1 oz.] [6.89"(W) ✕ 0.71"(H) ✕ 1.57"(D), 8.5 oz.]
Dimensions and mass Termination unit: approx. 27(W) ✕ 55(H) ✕ 18(D) mm Termination unit: approx. 27(W) ✕ 55(H) ✕ 18(D) mm
[1.06"(W) ✕ 2.17"(H) ✕ 0.71"(D)] [1.06"(W) ✕ 2.17"(H) ✕ 0.71"(D)]
Sensor cable: approx. 1.5 m [59.06"] (BNC connector) Sensor cable: approx. 1.5 m [59.06"] (BNC connector)
Cable length Power cable: approx. 1 m [39.37"] Power cable: approx. 1 m [39.38"]
Supplied accessories Soft case ✕ 1 Hard case ✕ 1
EN 61010 EN 61010
Safety Measurement category I (anticipated transient overvoltage 1500 V), Measurement category I (anticipated transient overvoltage 1500 V),
standards Pollution Degree 2 Pollution Degree 2
Applicable
standards EN 61326 EN 61326
EMC EN 61000-3-2 EN 61000-3-2
EN 61000-3-3 EN 61000-3-3

●
Sensor head ● Power supply plug
Composed of molded parts, ferrite and Hall elements. Connects to the FET probe power supply outlet of an oscilloscope or to
The thin-film of the Hall element especially improves the optional 3269 / 3272 power supply unit.
detection sensitivity to realize (Provided that connector type, pin assignment, voltage, and capacity rating
wider bands and high sensitivity monitoring. match, the 3273-50 to 3276 can be powered also from another source. For
operation safety, be sure to refer to the specifications to ensure an exact match.)
3273-50/3276 : approx. 175(W) ✕ 18(H) ✕ 40(D) mm, [6.89"(W) ✕ 0.71"(H) ✕ 1.57"(D)]

Power supply plug pin assignment (Plug as seen from the front)
1 : Not connected
Maximum measurement conductor: dia. 5 mm [0.20"] 1 2
Power cable
2 : GND
(approx. 1 m [39.37"]) 4 3 3 : V- (-12V)
Sensor cable (approx. 1.5 m [59.06"]) 4 : V+ (+12V)
* Connector type: LEMO inc./ FFA.0S.304.CLAC42Z

● BNC output connector

Sensor cable (approx. 2 m [78.74"])
Can be connected directly to the BNC input of an oscilloscope
3274/3275 : approx. 176(W) ✕ 69(H) ✕ 27(D) mm, [6.93"(W) ✕ 2.72"(H) ✕ 1.06"(D)] or level recorder or similar device.

Output voltage rate: 0.1 V/A (3273-50 / 3276)

0.01 V/A (3274 / 3275)
(Use only equipment with an input impedance of 1 MΩ or more.)

Maximum measurement conductor: dia. 20 mm [0.79"]

 5
CLAMP ON PROBE 3273-50 to 3276
3274 3275
■ 3274 / 3275 Specifications (Accuracy guaranteed for 1 year, Post-adjustment accuracy guaranteed for 6 months)

3274 3275
Frequency bandwidth DC to 10 MHz (-3 dB) * See Fig. 1 on page 2. DC to 2 MHz (-3 dB) * See Fig. 1 on page 2.
Rise time 35 ns or less 175 ns or less
Continuous maximum 150 Arms 500 Arms
input range * Frequency derating see Fig. 2 on page 2. * Frequency derating see Fig. 2 on page 2.
Maximum peak current Non-continuous 300 Apeak
Non-continuous 700 Apeak
value 500 A peak at pulse width of ≤ 30 μs
Output voltage rate 0.01 V/A 0.01 V/A
±1.0% rdg. ±1 mV (0 to 150 Arms / DC, 45 to 66 Hz) ±1.0% rdg. ±5 mV (0 to 500 Arms / DC, 45 to 66 Hz)
Amplitude accuracy ±2.0% rdg. (150 Arms to 300 Apeak / DC, 45 to 66 Hz) ±2.0% rdg. (500 Arms to 700 Apeak / DC, 45 to 66 Hz)
25 mArms or less 25 mArms or less
Noise (measured with 20 MHz bandwidth equipment) (measured with 20 MHz bandwidth equipment)
Input impedance * See Fig. 3 on page 2. * See Fig. 3 on page 2.
Sensitivity temperature Within ±2% Within ±2%
characteristics (At 55 Hz/150 A input, 0 to 40˚C [32 to 104˚F]) (At 50 Hz/500 A input, 0 to 40˚C [32 to 104˚F])
Maximum rated power 5.5 VA (Input within the maximum input range.) 7.2 VA (Input within the maximum input range.)
Power supply voltage ±12 V ±1 V ±12 V ±0.5 V
Operating temperature 0 to 40˚C [32 to 104˚F] , 80% rh or less 0 to 40˚C [32 to 104˚F] , 80% rh or less
and humidity (no condensation) (no condensation)
Storage temperature -10 to 50˚C [14 to 122˚F] , 80% rh or less -10 to 50˚C [14 to 122˚F] , 80% rh or less
and humidity (no condensation) (no condensation)
Effect of external Max. 150 mA (equivalent) Max. 800 mA (equivalent)
magnetic fields (DC and 60 Hz, Magnetic field of 400 A/m) (DC and 60 Hz, Magnetic field of 400 A/m)
Max. rated voltage to earth 600 V CAT-II, 300 V CAT-III (insulated conductor) 600 V CAT-II, 300 V CAT-III (insulated conductor)
Measurement conductor Diameter max. 20 mm [0.79"] Diameter max. 20 mm [0.79"]
Sensor: approx. 176(W) ✕ 69(H) ✕ 27(D) mm; 500 g Sensor: approx. 176(W) ✕ 69(H) ✕ 27(D) mm; 520 g
[6.93"(W) ✕ 2.72"(H) ✕ 1.06"(D), 17.6 oz.] [6.93"(W) ✕ 2.72"(H) ✕ 1.06"(D), 18.3 oz.]
Dimensions and mass Termination unit: approx. 27(W) ✕ 55(H) ✕ 18(D) mm Termination unit: approx. 27(W) ✕ 55(H) ✕ 18(D) mm
[1.06"(W) ✕ 2.17"(H) ✕ 0.71"(D)] [1.06"(W) ✕ 2.17"(H) ✕ 0.71"(D)]
Sensor cable: approx. 2 m [78.74"] (BNC connector) Sensor cable: approx. 2 m [78.74"] (BNC connector)
Cable length Power cable: approx. 1 m [39.37"] Power cable: approx. 1 m [39.37"]
Supplied accessories Hard case ✕ 1 Hard case ✕ 1
EN 61010 EN 61010
Safety Overvoltage category II, III (anticipated transient overvoltage 4000 V), Overvoltage category II, III (anticipated transient overvoltage 4000 V),
standards Pollution Degree 2 Pollution Degree 2
Applicable
standards EN 61326 EN 61326
EMC EN 61000-3-2 EN 61000-3-2
EN 61000-3-3 EN 61000-3-3

■ Current consumption of the 3273-50 to 3276 (sum of real values).

[ 3273-50 ] [ 3274 ] [ 3275 ] [ 3276 ]

600 600 600 600
current consumption (mA)

current consumption (mA)

current consumption (mA)
current consumption (mA)

AC(f=50Hz) AC (f=50Hz) AC (f=50Hz) AC (f=50Hz)

500 DC 500 DC 500 DC 500 DC
400 400 400 400

300 300 300 300

200 200 200 200

100 100 100 100

0 0 0 0
0 10 20 30 0 50 100 150 0 100 200 300 400 500 600 700 0 10 20 30 40 50
current to be measured (A) current to be measured (A) current to be measured (A) current to be measured (A)

Power Supply for Clamp-on Probes

POWER SUPPLY 3269, 3272 ■ Basic specifications
3269 3272
Model CT6700, CT6701: up to 2 units
Model CT6700, CT6701, 3273-50, Model 3273-50, 3274, 3275 or 3276: up to 1 unit
Compatible 3274, 3275 or 3276: up to 4 units Note: May be used with up to 2 units of Model 3273 (not
Combination example of the sensors Note: Also up to 4 units for the discontinued -50 type), and up to 2 units of Models 3273-50, 3274, 3275
3272 + Clamp-on probe Model 3273 or 3276 on condition that the measurement current is suf-
ficiently low.
Number of power
4 2
supply connectors
±12 V ±0.5 V, ±2.5 A ±12 V ±0.5 V, 600 mA
Output
(sum total of all channels) (sum total of all channels)
100 V to 240 V AC (free) 50/60 Hz 100 V or 120/ 220/ 240 V AC (specify when
3269 Power supply
170 VA max. ordering), 50/60 Hz 20 VA max.

• Power supply for the Clamp on probe 3273-50 - 3276, CT6700 series Dimensions and 80 mm (3.15 in)W × 119 mm (4.69 in)H × 73 mm (2.87 in)W × 110 mm (4.33 in)H × 186
• Supplies power when connected to a general-purpose instrument such mass 200 mm (7.87 in)D, 1.1 kg (38.8 oz) mm (7.32 in)D, 1.1 kg (38.8 oz)
as a recorder. Power cord ×1, Instruction manual ×1,
Accessories Instruction manual ×1, Power cord ×1
Spare fuse ×1
6

Wide-Bandwidth, High-Precision and Large Current Measurements

AC/DC CURRENT SENSOR CT6865, 9709 ■ Basic specifications
CT6865 (Accuracy guaranteed for 1 year, 9709 (Accuracy guaranteed for 6 months, Post-
Post-adjustmentaccuracy guaranteed for 1 year) adjustment accuracy guaranteed for 6 months)
Rated current 1000 A AC/DC 500 A AC/DC
CAT III 1000 V
Max. allowable 1200 A AC/DC 700 Arms
(Continuous 1800 A peak, up to 100 Hz, up to 40 °C
input (104 °F), other requires derating characteristics) (1000 Apeak, requires derating at frequency)

Frequency Amplitude: DC to 20 kHz Amplitude: DC to 100 kHz

HIOKI ME15W characteristics Phase: DC to 1 kHz Phase: DC to 100 kHz
(12-pin terminal)
DC ±0.05 % rdg. ±0.01 % f.s.
Hz ≤ f ≤ 66 Hz ±0.05 % rdg. ±0.01 % DC, 45 Hz ≤ f ≤ 66 Hz
Amplitude and 16f.s., Phase: ±0.2° (±0.05 % rdg. ±0.01 % f.s. (Phase: ±0.2°) )
Phase accuracy Amplitude is defined to 20 kHz, Phase is Defined to 100 kHz
HIOKI PL23 defined to 1 kHz
(10-pin terminal)
Output voltage rate 2(voltage V /rated current value
output with the Sensor Unit, use with a device having a 1 MΩ input resistance or higher)
• 1000A large current measuring applications in the fields of electric and hybrid
Max. rated voltage to earth 1000 V AC/DC (50/60 Hz, CAT III)
electric vehicles (CT6865)
Core diameter φ 36 mm (1.42 in)
• Operating temperature range of -30°C to 85°C (CT6865)
Operating -30°C to +85°C (-22°F to 185°F) 0°C to +50°C (32°F to 122°F)
• Super high precision, ±0.05% amplitude accuracy, ±0.2° phase accuracy
temperature, humidity 80% rh or less (with no condensation) 80% rh or less (with no condensation)
• Wide-bandwidth DC to 20 kHz (CT6865), 100 kHz (9709) excellent frequency
Power supply ±11 V to ±15 V DC (Power suppled via the Sensor Unit, which supports 100 to 240 V AC)
characteristics
• Ideal for evaluation of solar power generation and fuel cells to measure battery Power consumption 7 VA max.(at 1000 A/55 Hz, ±12 V power requirement)
5 VA max.
(at 500 A/55 Hz, ±12 V power requirement)
charge and discharge and the secondary side of inverters 160 mm (6.30 in)W × 112 mm (4.41 in)H × 50 mm 160 mm (6.30 in)W × 112 mm (4.41 in)H × 50 mm (1.97
• For observing waveforms to be used with the oscilloscopes or Memory HiCorders Dimensions and mass (1.97 in)D, 980 g (34.6 oz), cord length 3 m (9.84 ft) in)D, 850 g (30.0 oz), cord length: 3 m (9.84 ft)
(use with SENSOR UNIT) Accessories Instruction manual ×1, Mark bands ×6

Offset - Temperature Characteristics Effect of conductor position Sensitivity - Temperature Characteristics

(9709) (the wire 10 mm diameter) (9709) (9709)

Model : AC/DC CURRENT SENSOR CT6865 Model : AC/DC CURRENT SENSOR 9709
Model No. (Order Code) (Note) Model No. (Order Code) (Note)
CT6865 (1000 A AC/DC) 9709 (500A AC/DC)
CT6865-05 (1000 A AC/DC, 12 pin terminal) 9709-05 (500 A AC/DC, 12 pin terminal)

Delivering Wide-bandwidth and High-precision Current Measurement

AC/DC CURRENT SENSOR CT6862, CT6863 ■ Basic specifications (Accuracy guaranteed for 1 year, Post-adjustment accuracy guaranteed for 1 year)
CT6862 CT6863
Rated current 50 A AC/DC 200 A AC/DC
CAT III 1000 V Max. allowable input 100 A (requires derating) 400 A (requires derating)
Frequency Amplitude: DC to 1 MHz Amplitude: DC to 500 kHz
characteristics Phase: DC to 300 kHz Phase: DC to 300 kHz
HIOKI ME15W DC ±0.05 % rdg. ±0.01 % f.s. (Phase: Not DC ±0.05 % rdg. ±0.01 % f.s. (Phase: Not
(12-pin terminal) defined) defined)
Amplitude and 16 Hz ≤ f ≤ 400 Hz ±0.05 % rdg. ±0.01 % f.s. 16 Hz ≤ f ≤ 400 Hz ±0.05 % rdg. ±0.01 % f.s.
Phase accuracy (Phase: ±0.2°) (Phase: ±0.2°)
Defined to 1 MHz Defined to 500 kHz
HIOKI PL23
Output voltage 2 V /rated current value
(10-pin terminal) (voltage output with the Sensor Unit, use with a device having a 1 MΩ input resistance or higher)
Max. rated voltage to earth 1000 V AC/DC (50/60 Hz, CAT III )
• Super high precision, ±0.05% amplitude accuracy, ±0.2° phase accuracy
• Wide-bandwidth DC to 1 MHz (CT6862) excellent frequency characteristics Core diameter φ 24 mm (0.94 in)
• Applications in the fields of electric and hybrid electric vehicles Operating
-30°C to +85°C (-22°F to 185°F), 80% RH or less (with no condensation)
temperature, humidity
• Wide operating temperature range fit for automobile applications
• Ideal for evaluation of solar power generation and fuel cells to measure battery Power supply ±11 V to ±15 V DC (Power suppled via the Sensor Unit, which supports 100 to 240 V AC)
charge and discharge and the secondary side of inverters Power consumption 5 VA max. (at 50 A/55 Hz, ±12 V power requirement) 6 VA max. (at 200 A/55 Hz, ±12 V power requirement)
• For observing waveforms to be used with the oscilloscopes or Memory Dimensions and 70 mm (2.76 in)W × 100 mm (3.94 in)H × 53 mm (2.09 70 mm (2.76 in)W × 100 mm (3.94 in)H × 53 mm (2.09
HiCorders (use with SENSOR UNIT) mass in)D, 340 g (12.0 oz), cord length: 3 m (9.84 ft) in)D, 350 g (12.3 oz), cord length: 3 m (9.84 ft)
Accessories Instruction manual ×1, Mark bands ×6

Model : AC/DC CURRENT SENSOR CT6862 Model : AC/DC CURRENT SENSOR CT6863
Model No. (Order Code) (Note) Model No. (Order Code) (Note)
CT6862 (50 A AC/DC) CT6863 (200 A AC/DC)
CT6862-05 (50 A AC/DC, 12 pin terminal) CT6863-05 (200 A AC/DC, 12 pin terminal)

Compatible models...CT6865 (-05), 9709 (-05) Compatible models...CT6862 (-05), CT6863 (-05)
Compatible models CT6865 CT6865-05 9709 9709-05 Compatible models CT6862 CT6862-05 CT6863 CT6863-05
Model s (Requires CT9900) Model
3 s (Requires CT9900) 3 s (Requires CT9900) 3 s (Requires CT9900) 3
PW6001 CT ratio: 2 PW6001
s (Requires CT9901)
Model 3390 3 CT ratio: 2
CT ratio: 2
3 s (Requires CT9901) Model 3390 3 s(Requires CT9901) 3 s (Requires CT9901)
Input unit model Input unit model
s (Requires CT9901)
9602 for 3193- 3 CT ratio: 2
CT ratio: 2
3 s (Requires CT9901) 9602 for 3193- 3 s (Requires CT9901) 3 s (Requires CT9901)
10/ 3193/ 3194 10/ 3193/ 3194
s (Requires 9318) s (Requires 9318 and
Model 8971 s (Requires 9318) s (Requires 9318 and Model 8971 s (Requires 9318) s (Requires 9318 and s (Requires 9318) s (Requires 9318 and
CT ratio: 2 CT9901) CT ratio: 2 CT9901) CT9901) CT9901)
s (Requires 9318 and s (Requires 9318, 9705, s (Requires 9318 s (Requires 9318, 9705, s (Requires 9318 s (Requires 9318, 9705,
Model 8940 9705) CT ratio: 2 and CT9901) CT ratio: 2 and 9705) and CT9901)
Model 8940 N/A N/A
and 9705) and CT9901)
 7

Options A
CONNECTION CONNECTION CORD
SENSOR UNIT CT9555 SENSOR UNIT CT9556 SENSOR UNIT CT9557 CORD L9217 9165
Power supply for current Power supply for cur- Power supply for current sensors Cord has insulated BNC Cord has metallic BNC connectors
Shared options for CT6865, 9709, CT6862, and CT6863 sensors (1ch, with Waveform rent sensors (1ch, with (4ch, with Waveform/Total connectors at both ends, at both ends, use at metallic
output) Waveform/RMS output) Waveform/Total RMS output) 1.6 m (5.25 ft) length terminal, 1.5 m (4.92 ft) length

The CT9903 connects up to 2 cables in series, Cannot be used in combination with the 9277 to 9279 The CT9902 connects up to 2 cables in series For connecting to the F/V Unit 8940 or Current Unit 8971

CONVERSION CABLE
9705
Options B

Options D
Options C
0.2 m (0.66 ft) length, to connect CONVERSION CABLE
the CT6841-6846, CT6863/6865, 9318
CONVERSION CABLE EXTENSION CABLE CT9903 CONVERSION CABLE EXTENSION CABLE CT9902 9709, 9272-10 to the F/V To connect the CT6841-
CT9900 5 m (16.41 ft) length, HIOKI PL23 (10 pin) CT9901 5 m (16.41 ft) length, HIOKI ME15W Unit 8940, Cannot be used in 6846, CT6865/63, 9277/78/79,
HIOKI PL23 (10 pin) to HIOKI - HIOKI PL23 (10 pin) connector HIOKI ME15W (12 pin) to (12 pin) - HIOKI ME15W (12 pin) combination with the CT6862 9270/71/72 to the 8971/40/51,
ME15W (12 pin) connector HIOKI PL23 (10 pin) connector connector 38 cm (14.96 in) length

Ideal for Measuring Current with Low Frequencies such as Inverter Control Devices
CLAMP ON SENSOR 9272-10 ■ Basic specifications (Accuracy guaranteed for 6 months, Post-adjustment accuracy guaranteed for 6 months)
Rated current 20 A AC, or 200 A AC (selectable)
Max. allowable input 50 A rms (at 20 A range), 300 A rms (at 200 A range)
CAT III 600 V Frequency characteristics 1 Hz (±2 % rdg. ±0.1 % f.s.) to 100 kHz (±30 % rdg. ±0.1 % f.s.)
Amplitude and
Amplitude: ±0.3 % rdg. ±0.01 % f.s. Phase: ±0.2 ° (45 to 66 Hz)
Phase accuracy
Output voltage 2 V/20 A rated current range, or 2 V/200 A rated current range
(voltage output with the Sensor Unit, use with a device having a 1 MΩ input resistance or higher)
Max. rated voltage to earth 600 V rms (CAT III)
Core diameter φ 46 mm (1.81 in)
Power supply ±11 V to ±15 V DC (Power suppled via the Sensor Unit, which supports 100 to 240 V AC)
• Superior low frequency and phase Power consumption 5 VA Max. (when measuring 200 A)
characteristics suitable for testing the Dimensions and mass 78 mm (3.07 in)W × 188 mm (7.40 in)H × 35 mm (1.38 in)D, 430 g (15.2 oz), cord length: 3 m (9.84 ft)
current and power of inverter control Accessories Carrying case 9355 ×1, Instruction manual ×1, Mark bands ×6
devices
• Wide 1 Hz to 100 kHz frequency Model 9272-10 Compatibility (use with the connection cord)
bandwidth perfect for harmonic analysis, Compatible models Status Note
FFT analysis and waveform monitoring 3193-10, 3193, 3194 (use with the 9602) 3 Directly connectable, Add 0.1% rdg. to accuracy
MR8827, MR8847s (use with the 8971) 3 To connect via the Conversion Cable 9318
Model 8940 Need the Conversion Cable 9705, and use with the Conversion Cable 9318 to connect Model 9272-10 to the F/V Unit 8940.
for Memory HiCorders 3 (Not necessary when using Model 9272 due to different output wiring specifications.)

Model : CLAMP ON SENSOR 9272

Bundled accessories

Model No. (Order Code) (Note)

9272-10
Options A

(20/200 A AC)
Note: This product cannot be used alone. The optional Sensor CONNECTION CONNECTION CORD
CARRYING CASE SENSOR UNIT CT9555 SENSOR UNIT CT9556 SENSOR UNIT CT9557 CORD L9217 9165
Unit is required in order to supply power and connect the clamp 9355 Power supply for current Power supply for cur- Power supply for current sensors Cord has insulated BNC Cord has metallic BNC connectors
to a Memory HiCorder or other instrument. The clamp can be For the 9272-10, 9270s, (4ch, with Waveform/Total
or other models sensors (1ch, with Waveform rent sensors (1ch, with connectors at both ends, at both ends, use at metallic
directly connected the compatible Power Meter. output) Waveform/RMS output) Waveform/Total RMS output) 1.6 m (5.25 ft) length terminal, 1.5 m (4.92 ft) length

The CT9903 connects up to 2 cables in series, Cannot be used in combination with the 9277 to 9279 *The Clamp Sensor 9272-10 has different output wiring than the previous 9272.
Both the 9318 and 9705 are required in order to connect to the F/V Unit 8940.
CONVERSION CABLE
Options B

Options D

9705
0.2 m (0.66 ft) length, to connect CONVERSION CABLE 9318
CONVERSION CABLE EXTENSION CABLE CT9903 the CT6841-6846, CT6863/6865, To connect the CT6841-6846,
CT9900 5 m (16.41 ft) length, HIOKI PL23 (10 pin) 9709, 9272-10 to the F/V CT6865/63, 9277/78/79, 9270/71/72
HIOKI PL23 (10 pin) to HIOKI - HIOKI PL23 (10 pin) connector Unit 8940, Cannot be used in to the 8971/40/51, 38 cm (14.96 in)
ME15W (12 pin) connector combination with the CT6862 length

Power supplies for high-precision current sensors

SENSOR UNIT CT9555, CT9556, CT9557
CT9555, CT9556 ■ Basic specifications (Accuracy guaranteed for 1 year, Post-adjustment accuracy guaranteed for 1 year)
• Power supplies for high-precision cur- Model CT9555 CT9556 CT9557
rent sensors with waveform output
functionality
CT9557 Image
• Power supply for high-precision current
sensors with waveform output function-
ality Current sensors with a Hioki ME15W Current sensors with a Hioki ME15W Current sensors with a Hioki ME15W
• Output a single waveform from an Compatible sensor (male) output connector (CT686x-05, (male) output connector (CT686x-05, (male) output connector (CT686x-05,
aggregate of input waveforms CT684x-05, etc.) CT684x-05, etc.) CT684x-05, etc.)
Output Terminal BNC Terminal BNC Terminal BNC Terminal
HIOKI ME15W
(12-pin terminal) AC Adapter Z1008 (100 to 240 V AC, 50/60 AC Adapter Z1008 (100 to 240 V AC, 50/60 A
 C Adapter Z1002 (100 to 240 V AC, 50/60
Power supply Hz, 45 VA) Hz, 45 VA) Hz, 155 VA)
Dimensions and 33 mm (1.30 in)W × 67 mm (2.64 in)H × 132 33 mm (1.30 in)W × 67 mm (2.64 in)H × 132 116 mm (4.57 in)W × 67 mm (2.64 in)H ×
mass mm (5.20 in)D, 200 g (7.1 oz) mm (5.20 in)D, 200 g (7.1 oz) 132 mm (5.20 in)D, 420 g (14.8 oz)

Shared options for CT9555, CT9556 and CT9557

Model : ENSOR UNIT
Model No. (Order Code) (Note)
CT9555 (For the CT6841-05, etc., using Hioki ME15W connector)
CT9556 (For the CT6841-05, etc., using Hioki ME15W connector)
Options

CONNECTION CABLE CONNECTION CONNECTION CORD CONVERSION CONVERSION

CT9557 (For the CT6841-05, etc., using Hioki ME15W connector) CT9904 CORD L9217 9165 CABLE CT9900
HIOKI PL23 (10 pin) to
CABLE CT9901
HIOKI ME15W (12 pin)
HIOKI ME15W (12 pin) terminal to Cord has insulated BNC Cord has metallic BNC
Accessories: CT9555, CT9556: AC Adapter Z1008 ×1, Power cord ×1, Instruction manual ×1, ME15W (12 pin) terminal, 1 m (3.28 connectors at both ends, connectors at both ends, use HIOKI ME15W (12 pin) to HIOKI PL23 (10 pin)
CT9557: AC Adapter Z1002 ×1, Power cord ×1, Instruction manual ×1 ft) length (for connecting CT9557 total 1.6 m (5.25 ft) length at metallic terminal, 1.5 m connector connector
output to PW6001 or PW3390 only) (4.92 ft) length
 ■ Rated current & Frequency characteristics
AC/DC AC

up to 500A 3275 : DC to 2 MHz

For wide-band current

up to 150A 3274 : DC to 10 MHz

observatiom

10mA class 3273-50 : DC to 50 MHz

to
30A 3276 : DC to 100 MHz

up to 1000A CT6865 : DC to 20 kHz

up to 500A 9709 : DC to 100 kHz

current measurement
For high-precision

up to 200A CT6863 : DC to 500 kHz

up to 50A CT6862 : DC to 1 MHz

up to 200A 9272-10 (200A) : 1Hz to 100kHz

up to 20A 9272-10 (20A) : 1Hz to 100kHz

Frequency (Hz) DC 1 10 100 1k 10k 100k 1M 10M 100M

Wide-Band Current Probe Allows Direct Input to Oscilloscope

CLAMP ON PROBE 3273-50, 3274, 3275, 3276 Model : CLAMP ON PROBE 3273
Model No. (Order Code) (Note)
3273-50 (DC to 50 MHz, 30 Arms)

Insulated Model : CLAMP ON PROBE 3274

conductor
Model No. (Order Code) (Note)
3275 3274 (DC to 10 MHz, 150 Arms)

3272
3274 Model : CLAMP ON PROBE 3275
Model No. (Order Code) (Note)
3275 (DC to 2 MHz, 500 Arms)
3273-50

3276 3269

Note: Use the Power Supply 3269/3272 for general measurements or when power is not Model : CLAMP ON PROBE 3276
available from the Memory Hicorder. When performing continuous measurements, be Model No. (Order Code) (Note)
aware of offset voltage drift. 3276 (DC to 100 MHz, 30 Arms)
Options

CONVERSION CABLE 9319

To connect the 3273-50 and the 8940,
POWER SUPPLY 3272 POWER SUPPLY 3269 Note: cannot be used with the 3274,
For single sensor, 120/ 220/ 240 V For four sensors, 100 V to 240 V AC 3275, 3276 to connect the 8940 via
AC, specify when ordering this cable 9319

WARNING

1. To avoid short circuits and electric shock accidents when using a clamp-on sensor, use only with power lines carrying voltages within the rating limit of the sensor.
2. To avoid short circuits and electric shock accidents when the clamp-on sensor is open, do not use on bare conductors.

Note: Company names and Product names appearing in this catalog are trademarks or registered trademarks of various companies.

HIOKI (Shanghai) SALES & TRADING CO., LTD.

TEL +86-21-63910090 FAX +86-21-63910360 DISTRIBUTED BY
http://www.hioki.cn / E-mail: info@hioki.com.cn

HIOKI SINGAPORE PTE. LTD.

TEL +65-6634-7677 FAX +65-6634-7477
HEADQUARTERS E-mail: info-sg@hioki.com.sg
81 Koizumi, Ueda, Nagano, 386-1192, Japan
TEL +81-268-28-0562 FAX +81-268-28-0568 HIOKI KOREA CO., LTD.
http://www.hioki.com / E-mail: os-com@hioki.co.jp TEL +82-2-2183-8847 FAX +82-2-2183-3360
E-mail: info-kr@hioki.co.jp

HIOKI USA CORPORATION

TEL +1-609-409-9109 FAX +1-609-409-9108
http://www.hiokiusa.com / E-mail: hioki@hiokiusa.com
All information correct as of Feb. 7, 2017. All specifications are subject to change without notice. Current_sensor_E7-72B Printed in Japan