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Bench Digital Multimeter

Product ID: GDM 8245 / GDM-8145

Bench Digital Multimeter

GDM-8245/ GDM-8145

product pic

Dual Display Digital Multimeter
GDM-8245 (50000 counts) FEATURES：
1. 50000 counts DMM
2. Multi-function ACV, DCV, ACA, DCA, R, C, Hz, Continuity Beeper, Diode Test, Max/Min, REL, Hold, dBm
3. Dual Display Indicate ACV and Hz or DCV(ACV) and dBm
4. Manual or Autoranging
5. 0.03% DCV Accuracy
6. 20A High Current Range
7. 1200V High Voltage Range
8. AC True RMS or AC + DC True RMS

4 1/2 GDM-8145 FEATURES
FEATURES：
6 Functions AC/DC Voltage, AC/DC Current, Resistance
and Diode Test
Large 0.5" Red LED Display
High Resolution 10μV, 10nA and 10mΩ
All Range with Protection Circuit
0.03% DCV Accuracy
Auto Zero Circuit
20A High Current Range
1200V High Voltage Range
AC or AC + DC True RMS

Specifications:

GDM-8245 specifications:

DC Voltage
Range 500mV, 5V, 50V, 500V, 1200V 5 ranges
Accuracy +(0.03% rdg + 4 digits)、1200V range +(0.03% rdg + 9 digits)
Input Impedance 10MΩ
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AC Voltage True RMS (AC or AC + DC True RMS)
Range 500mV, 5V, 50V, 500V, 1000V 5 ranges
Accuracy 500mV ~ 50V 3 range 20Hz ~ 45Hz：+(1% rdg + 15 digits)
45Hz ~ 2kHz：+(0.5% rdg + 15 digits)
2kHz ~ 10kHz：+(1% rdg + 15 digits)
10kHz ~ 20kHz：+(2% rdg + 30 digits)
20kHz ~ 50kHz：+(5% rdg + 30 digits)
500V、1000V 2 range 45Hz ~ 1kHz：+(0.5% rdg + 15 digits)
Input Impedance 10MΩ
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DC Current
Range 500µA, 5mA, 50mA, 500mA, 2000mA, 20A 6 ranges
Accuracy 500µA ~ 500mA 4 range：+(0.2% rdg + 2 digits)
2000mA ~ 20A 2 range：+(0.3% rdg + 2 digits)
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AC Current True RMS (AC or AC + DC True RMS)
Range 500µA, 5mA, 50mA, 500mA, 2000mA, 20A 6 ranges
Accuracy 500µA ~ 500mA 4 range 45Hz ~ 2kHz：+(0.5% rdg + 15 digits)
2kHz ~ 10kHz：+(1% rdg + 15 digits)
10kHz ~ 20kHz：+(2% rdg + 15 digits)
2000mA ~ 20A 2 range 45Hz ~ 2kHz：+(0.5% rdg + 15 digits)
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Resistance
Range 500Ω, 5kΩ, 50kΩ, 500kΩ, 5MΩ, 20MΩ 6 ranges
Accuracy 500Ω range：+(0.1% rdg + 4 digits)
5kΩ~ 500kΩ 3 range：+(0.1% rdg + 2 digits)
5MΩ range：+(0.2% rdg + 2 digits)
20MΩ range：+(0.3% rdg + 2 digits)
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Diode Test The one ranges can check the forward voltage of diode. Maximum forward voltage 1.5V. open voltage 2.8V.
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Capacitance
Range 5nF, 50nF, 500nF, 5µF, 50µF 5 ranges
Accuracy +(2% rdg + 4 digits)
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Frequency
Sensitivity mV range：>120mV (10Hz ~ 50kHz)
>200mV (50k ~ 150kHz)
5V range：>1V (10Hz ~ 200kHz)
50V range：>1.2V (20Hz ~ 200kHz)
500V range：>12V (20Hz ~ 1kHz)
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Continuity Beeper < 5Ω
NMRR > 60dB
CMRR > 90dB
Operating Mode Auto Range / Manual
Other Functions Max, Min, dBm (63.8dBm ~ -97.7dBm), REL, Hold
Display Dual Display 0.4", 0.5", 7 segment LED display
Power Source AC 115V/230V +15%, 50/60Hz
Accessories Instruction manual × 1,
Power cord × 1,
Test lead GTL-117 × 1
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Dimensions & Weight 251(W) × 91(H) × 291(D) mm, Approx. 1.86kg

GDM-8145 SPECIFICATIONS:

4 1/2 GDM-8145 SPECIFICATIONS
DC Voltage
Range 200mV, 2V, 20V, 200V, 1200V 5 ranges
Accuracy +(0.03% rdg + 4 digits)
Input Impedance 10MΩ
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AC Voltage (AC or AC + DC True RMS)
Range 200mV, 2V, 20V, 200V, 1000V 5 ranges
Accuracy 200mV ~ 200V 4 range 20Hz ~ 45Hz：+(1% rdg + 15 digits)
45Hz ~ 2kHz：+(0.5% rdg + 15 digits)
2kHz ~ 10kHz：+(1% rdg + 15 digits)
10kHz ~ 20kHz：+(2% rdg + 30 digits)
20kHz ~ 50kHz：+(5% rdg + 30 digits)
1000V range 45Hz ~ 1kHz：+(0.5% rdg + 15 digits)
Input Impedance 10MΩ
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DC Current
Range 200µA, 2mA, 20mA, 200mA, 2000mA, 20A 6 ranges
Accuracy 200µA ~ 200mA 4 range：+(0.2% rdg + 2 digits)
2000mA ~ 20A 2 range：+(0.3% rdg + 2 digits)
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AC Current
Range 200µA, 2mA, 20mA, 200mA, 2000mA, 20A 6 ranges
Accuracy 200µA ~ 200mA 4 range 45Hz ~ 2kHz：+(0.5% rdg + 15 digits)
2kHz ~ 10kHz：+(1% rdg + 15 digits)
10kHz ~ 20kHz：+(2% rdg + 15 digits)
2000mA ~ 20A 2 range 45Hz ~ 2kHz：+(0.5% rdg + 15 digits)
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Resistance
Range 200Ω, 2kΩ, 20kΩ, 200kΩ, 2000kΩ, 20MΩ 6 ranges
Accuracy 200Ωrange：+(0.1% rdg + 4 digits)
2kΩ~ 2000kΩ 4 range：+(0.1% rdg + 2 digits)
20MΩ range：+(0.25% rdg + 2 digits)
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Diode Test The three ranges have enough voltage to turn on silicon junctions to check the forward resistance, but the 2kΩ range is preferred and is marked with a larger diode symbol on the front panel of the instrument.
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Display 0.5" LED display
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Power Source AC 100V/120V/220V/230V +10%, 50/60Hz
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Accessories Instruction manual × 1,
Power cord × 1,
Test lead GTL-107 × 1
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Dimensions & Weight 230(W) × 95(H) × 280(D) mm, Approx. 2kg

Certificate:

Main Products:
TECPEL Quality Test Instruments Taiwan - Temperature Meter, Multimeter, Thermometers, Clamp Meter, Measuring Instrument, Ph Meter, Sound Level Meter.