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Fluke 170 Series

True-rms Digital Multimeter
Extended Specifications

Model Differences
(all other specifications are the same for each model)
Feature Model
175 177 179
Backlight
Temperature Measurement
Basic dc voltage accuracy 0.15% 0.09% 0.09%

Nominal Specifications
Function Absolute Range or Description
AC Voltage, True-rms 0.1 mV to 1000V (1 kHz)
DC Voltage 0.1 mV to 1000V
Continuity Beeper guaranteed on < 25 , guaranteed off > 250 ;
detects opens or shorts of 250 s or longer.
Resistance 0.1 to 50.00 M
Diode Test 2.400V
Capacitance 1 nF to 9999 uF
AC Current, True-rms 0.01 mA to 10.00A (20.00 A over-range for 30 seconds)
DC Current 0.01 mA to 10.00A (20.00 A over-range for 30 seconds)
Frequency 2 Hz to 50 kHz
Temperature (179 Only) -40 C to +400 C; -40 F to +752 F
Basic dc voltage accuracy 0.15% (175) 0.09% (177 & 179)
Basic ac voltage accuracy 1.0%

Features
Feature Description
Digital Display 6000 counts, updates 4 x second
Analog Bargraph Display 33 segments, updates 40 x second
Backlight (177 & 179 only) Automatically turns off after 2 minutes to save battery life
The timeout feature can be disabled with a power-up option
HOLD & Auto HOLD HOLD: freezes the display at the push of a button

Auto HOLD: Display holds present reading until it detects new stable input,
then the meter beeps and displays new reading
MIN MAX AVG Minimum, maximum, and average reading memory
Manual or auto ranging In auto range, the meter selects the range with the best resolution for
the present measurement value
Fast continuity/open detection The beeper sounds with a stretched pulse for opens or shorts as
brief as 250 s
Test lead alert The message LEAd appears briefly on the display when the rotary switch
is moved to or from any A (Amps) position
Power-up options (1) Turn on all LCD segments, (2) Disable beeper, (3) Disable sleep mode,
(4) Enable smoothing, (5) Disable backlight timeout (Models 177 & 179 only)
Closed-case calibration No internal adjustments needed
Probe holders The instrument comes with built-in probe holders for probe storage and
for convenience when making measurements
Battery access door Battery replacement without voiding calibration
High-impact overmold case Integrated overmolded protection provides superior impact protection for
your meter
General Specifications
Accuracy is specified for 1 year after calibration, at operating temperatures of 18 C to 28 C, with relative
humidity of 0 % to 75 %. Accuracy specifications take the form of: ( [ % of Reading ] + [ Counts ] )
Maximum voltage between any 1000V DC or AC RMS
terminal and earth ground
Surge Protection 8 kV peak per IEC 61010
Fuse for mA inputs 440 mA, 1000 V FAST Fuse
Fuse for A input 11A, 1000V FAST Fuse
Display Digital: 6,000 counts, updates 4/sec
Bar Graph: 33 segments, updates 40/sec
Frequency: 9,999 counts
Capacitance: 9,999 counts
Altitude Operating: 2000 m; Storage: 12000 m
Temperature Operating: -10 C to +50 C
Storage: -30 C to +60 C
Temperature coefficient 0.1 X (specified accuracy / C)
(< 18 C or > 28 C)
Electromagnetic Compatibility In an RF field of 3 V/M, accuracy = specified accuracy except in
(EN 61326-1:1997) temperature: specified accuracy 5 C, 9 F
Relative Humidity 0 % to 90 % @ 0 C to 35 C;
0 % to 70 % @ 36 C to 50 C
Relative Humidity in 0 % to 80 % @ 0C to 35C;
50 M Range 0 % to 70 % @ 36 C to 50 C
Battery Life Alkaline: ~200 hrs typical
Size, with Holster (H x W x L) 4.3 cm x 9 cm x 18.5 cm
Weight 420g
Safety Compliances ANSI/ISA S82.02.01, CSA C22.2-1010.1, IEC 61010 to 1000 V Overvoltage
Category III, 600 V Overvoltage Category IV
Certifications CSA, TV (EN61010),
Australian (N10140)
Detailed Specifications
Accuracy ( [ % of Reading ] + [ Counts ] )
Function Range 1 Resolution Model 175 Model 177 Model 179

AC Volts 2 600.0 mV 0.1 mV 1.0 % + 3 1.0 % + 3 1.0 % + 3

6.000V 0.001V (45 Hz to 500 Hz) (45 Hz to 500 Hz) (45 Hz to 500 Hz)
60.00V 0.01V
600.0V 0.1V
1000V 1V 2.0 % + 3 2.0 % + 3 2.0 % + 3
(500 Hz to 1 kHz) (500 Hz to 1 kHz) (500 Hz to 1 kHz)
DC mV 600.0 mV 0.1 mV 0.15 % + 2 0.09 % + 2 0.09 % + 2
DC Volts 6.000V 0.001V 0.15 % + 2 0.09 % + 2 0.09 % + 2
60.00V 0.01V
600.0V 0.01V
1000V 1V 0.15 % + 2 0.1 % + 2 0.1 % + 2

Continuity 600 1 Meter beeps at < 25 , beeper turns off at > 250 ;
detects opens or shorts of 250 ms or longer.
Ohms 600.0 0.1 0.9 % + 2 0.9 % + 2 0.9 % + 2
6.000 k 0.001 k 0.9 % + 1 0.9 % + 1 0.9 % + 1
60.00 k 0.01 k 0.9 % + 1 0.9 % + 1 0.9 % + 1
600.0 k 0.1 k 0.9 % + 1 0.9 % + 1 0.9 % + 1
6.000 M 0.001 M 0.9 % + 1 0.9 % + 1 0.9 % + 1
50.00 M 0.01 M 1.5 % + 3 1.5 % + 3 1.5 % + 3
Diode test 2.400V 0.001V 1%+2
Capacitance 1000 nF 1 nF 1.2 % + 2 1.2 % + 2 1.2 % + 2
10.00 F 0.01 F 1.2 % + 2 1.2 % + 2 1.2 % + 2
100.0 F 0.1 F 1.2 % + 2 1.2 % + 2 1.2 % + 2
9999 F 3 1 F 10 % typical 10 % typical 10 % typical
AC Amps 60.00 mA 0.01 mA 1.5 % + 3 1.5 % + 3 1.5 % + 3
(True-rms) 400.0 mA 0.1 mA
(600 mA for 18 hrs) 0.001A
6.000A
(45 Hz to 1 kHz) 10.00A 0.01A
(20A for 30s)
DC Amps 60.00 mA 0.01 mA 1.0 % + 3 1.0 % + 3 1.0 % + 3
400.0 mA 0.1 mA
(600 mA for 18 hrs)
6.000A 0.001A
10.00A 0.01A
(20A for 30s)
Hz 99.99 Hz 0.01 Hz 0.1 % + 1 0.1 % + 1 0.1 % + 1
(AC- or DC- 999.9 Hz 0.1 Hz
coupled, 9.999 kHz 0.001 kHz
V or A 4, 5 input ) 99.99 kHz 0.01 kHz
Temperature -40 C to +400 C 0.1 C NA NA 1 % + 1.0 C
-40 F to +752 F 0.1 F 1 % + 1.8 F
MIN MAX AVG For DC functions, accuracy is the specified of the measurement function 12 counts for changes
longer than 275 ms in duration.
For AC functions, accuracy is the specified of the measurement function 40 counts for changes
longer than 1.2 s in duration.
1. All AC voltage and AC current ranges are specified from 5 % of range to 100 % of range.
2. Crest factor of 3 at full scale up to 500 V, decreasing linearly to crest factor 1.5 at 1000 V. Fluke. Keeping your world
3. In the 9999 F range for measurements to 1000 F, the measurement accuracy is 1.2 % for all models. up and running.
4. In mA and A ranges, frequency measurement is specified to 30 kHz.
5. Frequency < 10 kHz are not specified in 600 mV AC, 60 mA AC, and 6 A AC ranges.

Function Overload Protection 1 Input Impedance Common Mode Rejection Ratio Normal Mode Rejection
(Nominal) (1 k Unbalanced)
Volts AC 1000 V RMS or DC > 10 M < 100 pF > 60 dB @ DC, 50 or 60 Hz
Volts DC 1000 V RMS or DC > 10 M <100 pF >120 dB @ DC, 50 or 60 Hz > 60 dB @ 50 Hz or 60 Hz
Open Circuit Test Full Scale Voltage To: Short Circuit Current
Voltage 6.0 M 50 M
Ohms 1000V RMS or DC < 1.5 V DC < 600 mV DC < 1.5 V DC < 500 A
Diode test 1000V RMS or DC 2.4 to 3.0 V DC 2.4 V DC < 1.2 mA typical
1. 10 7 V-Hz maximum.