4 1/2 & 3 1/2 DIGITAL MULTIMETER 3 1/2 DIGITAL MULTIMETER
In terms of cost/performance ratio, the GDM-8145/8135 Series yield one of the best choices among The GDM-8034 is the most affordable and cost-effective bench-top digital multimeter available today..
the DMMs in today's market. The series are equipped with 4 1/2 (GDM-8145) or 3 1/2 (GDM-8135)digits, A large 0.5" LCD display with 3 1/2 digits always provides a clear view of the measurement results.
0.5" LED display in a distinctive red color. Measurement items include DC Voltage/Current, AC Voltage/ A series of powerful built-in functions, such as AC/DC Voltage, AC/DC Current, Resistance, Capacitance,
Current with true RMS (GDM-8145), Resistance, Diode Test, and Continuity with Beeper (GDM-8135). Diode Test, and Audible Continuity Beeper, make the users' applications measurements simpler and
The true RMS AC and AC+DC response give accurate measurements for equivalent DC energy regardless easier. Compact profile, sufficient functionality, and excellent cost-performance make the GDM-8034
of the waveform shape. Small voltage offsets are canceled by the auto-zero circuit, and protection best suited for educational institutions such as schools and training centers.
mechanism is available for the entire measurement range. All these features provide users with robust
measurement experience.
GDM-8145 (4 1/2 Digits) GDM-8034 (3 1/2 Digits)
SPECIFICATIONS
GDM-8145 GDM-8135
DC VOLTAGE
Range 200mV, 2V, 20V, 200V, 1000V 5ranges. 200mV, 2V, 20V, 200V, 1000V 5 ranges
Accuracy +_(0.03% rdg + 4 digits) +_ (0.1% rdg + 1 digit)
Input Impedance 10MW 10MW FEATURES SPECIFICATIONS
AC VOLTAGE DC VOLTAGE
Range 200mV, 2V, 20V, 200V, 1000V 5ranges * 8 Functions AC/DC Voltage, AC/DC Current, Range 200mV, 2V, 20V, 200V, 1000V 5 ranges
200mV, 2V, 20V, 200V, 1000V 5 ranges
Resistance, Capacitance, Diode Test and Accuracy _ (0.5% rdg + 1 digit)
+
Accuracy 200mV ~ 20V 4 ranges 200mV ~ 20V 3 ranges :
_(1%rdg + 15 digits)
20Hz ~ 45Hz + 40Hz ~ 1kHz +_(0.5% rdg + 1 digit) Audible Continuity Beeper Input Impedance 10MW
_(0.5% rdg + 15 digits)
45Hz ~ 2kHz + 1kHz ~ 10kHz +_(1% rdg + 1 digit) * High Voltage 1000V and 20A Current Range AC VOLTAGE
2kHz ~ 10kHz+_ (1% rdg + 15 digits) 10kHz ~ 20kHz +_(2% rdg + 1 digit) Range 200mV, 2V, 20V, 200V, 750V 5 ranges
* 0.5% Basic DCV Accuracy
_(2%rdg + 30digits)
10kHz ~ 20kHz + 20kHz ~ 40kHz +_(5% rdg + 1 digit) Accuracy 40Hz ~ 500Hz +_(1% rdg + 4 digits)
_(5% rdg + 30 digits)
20kHz ~ 50kHz + _(0.5% rdg + 1 digit);
200V range : 40Hz ~ 1kHz + * LCD Display
Input Impedance 10MW
200V~1000V range : 45Hz ~ 1kHz + _ 1kHz ~ 10kHz +_(1% rdg + 1 digit)
(0.5%rdg + 15digits) 1000V range : 40Hz ~ 1kHz +_ (0.5% rdg + 1 digit) DC CURRENT
GDM-8135 (3 1/2 Digits) Input Impedance 10MW
10MW Range 200 A, 2mA, 20mA, 200mA, 2A, 20A 6 ranges
DC CURRENT Accuracy 200 A ~ 200mA + _(0.5% rdg + 1 digit)
GTL-107A Test Lead _ (1% rdg + 3 digits)
2A ~ 20A +
Range 200 A, 2mA, 20mA, 200mA, 2000mA, 20A 6 ranges 200 A, 2mA, 20mA, 200mA, 2A, 20A 6 ranges
Accuracy _(0.2% rdg + 2 digits)
200 A ~ 200mA 4 ranges + 200 A ~ 200mA 4 ranges : + _(0.2% rdg + 1 digit) For: GDM-8034,GDM-8135,GDM-8145 AC CURRENT
_ (0.3% rdg + 2 digits)
2000mA ~ 20A 2 ranges+ _ (0.5% rdg + 1 digit)
2A ~ 20A 2 ranges : + Range 200 A, 2mA,20mA,200mA, 2A,20A 6 ranges
FEATURES AC CURRENT Accuracy 40Hz ~ 500Hz on all ranges
_(1% rdg + 4 digits)
200 A ~ 200mA +
Range 200 A, 2mA, 20mA, 200mA, 2000mA, 20 A 6 ranges 200 A, 2mA, 20mA, 200mA, 2A, 20A 6 ranges
* Vast Measuring Functions : AC/DC Voltage, _(1.5% rdg + 2 digits)
2A ~ 20A +
Accuracy 200 A ~ 200mA 4 ranges 200 A ~ 200mA 4 ranges
AC/DC Current, Resistance and Diode Test _(0.5% rdg+ 15 digits)
45Hz ~ 2kHz + 40Hz ~ 1kHz +_(0.5% rdg + 1 digit) RESISTANCE
* Continuity Beeper (GDM-8135) _ (1% rdg + 15 digits)
2kHz ~ 10kHz + 1kHz ~ 10kHz+ _ (1% rdg + 1 digit) Range 200 W, 2k, 20k, 200kW , 2MW , 20MW 6 ranges
* Large 0.5" Red LED Display _ (2% rdg + 15 digits)
10kHz ~ 20kHz + 10kHz ~ 20kHz + _(2% rdg + 1 digit) Accuracy 200 W ~ 2MW + _ (0.75% rdg + 1 digit)
* High Resolution 10 V, 10nA and 10m 2000mA ~ 20A 2 ranges 2A ~ 20A 2 ranges, 40Hz ~ 2kHz + _(1% rdg + 2 digits) 20MW + _(1.5% rdg + 5 digits)
_ (0.5% rdg + 15 digits)
45Hz ~ 2kHz+ CAPACITANCE
* All Range with Protection Circuit
RESISTANCE Range 2nF, 20nF, 200nF, 2 F, 20 F 5 ranges
* 0.03% DCV Accuracy (GDM-8145),
Range 200 W , 2kW, 20kW, 200kW, 2000kW, 20MW 6 ranges 200W, 2k, 20k, 200kW, 2MW , 20MW 6 ranges. Accuracy _(2% rdg + 4 digits)
+
0.1% DCV Accuracy (GDM-8135) Test Freq. 300Hz +_ 5%
Accuracy 200W : +_(0.1%rdg + 4 digits) 200W ~ 2MW 5ranges : + _ (0.2% rdg + 1 digit)
* Auto Zero Circuit
2k W ~ 200kW : +_ (0.1%rdg + 2 digits) 20MW range : + _(0.5% rdg + 1 digit) DIODE TEST
BASIC T & M INSTRUMENTS
BASIC T & M INSTRUMENTS
* 20A High Current Range
2000k ~ 20M : +_ (0.25%rdg + 2 digits) Test Current Max. 2.5mA
* 1000V High Voltage Range DIODE TEST
Open Voltage Max. 3.2V
* AC or AC + DC True RMS (GDM-8145) Test Current Max. 1 mA Max. 1 mA
CONTINUITY BEEPER
Open Voltage Max. 13V Max. 13V Description Buzzer sounds if conductance less than 30W
CONTINUITY BEEPER Test Current Max. 2.5 mA
Open Voltage Max. 3.2V
Description Buzzer sounds if conductance < 10
Test Current Max. 1 mA DISPLAY
Open Voltage Max. 13V 0.5" LCD display
GTL-107A Test Lead DISPLAY POWER SOURCE
0.5" LED display AC 110V/220V +_ 15%, 50/60Hz
For: GDM-8034,GDM-8135,GDM-8145 DIMENSIONS & WEIGHT
POWER SOURCE
AC 100V/120V/220V/230V+ _ 10%, 50/60Hz 245(W) x 95(H) x 280(D) mm, Approx. 2kg
DIMENSIONS & WEIGHT
245(W) x 95(H) x 280(D) mm, Approx. 2kg ORDERING INFORMATION
GDM-8034 3 1/2 Digits LCD Digital Multimeter
ORDERING INFORMATION ACCESSORIES :
GDM-8145 4 1/2 Digits True RMS Digital Multimeter User manual x 1, Power cord x 1, Test lead GTL-107A x 1
GDM-8135 3 1/2 Digits Digital Multimeter
ACCESSORIES :
User manual x 1, Power cord x 1, Test lead GTL-107A x 1
Made to Measure. Good Will Instrument Co., Ltd. E8
