MASTECH M838 Digital Multimeter User Guide

MASTECH M838 Digital Multimeter

Contents

Specifications

| Range| Resolution| Accuracy
---|---|---|---
| 200V/600V| 100mV/1V| ±(1.2%+10)
| 200mV/2V/20V/200V

600V

| 0.1mV/1mV/10mV/100mV

1V

| ±(0.5%+2)

±(0.8%+2)

| 200µA/2mA/20mA

200mA

10A

| 0.1µA/1µA/0.01mA

0.1mA

10mA

| ±(1.0%+2)

±(1.5%+2)

±(3.0%+2)

R| 200Ω

2kΩ/20kΩ/200kΩ

2MΩ

| 0.1Ω

1Ω/10Ω/100Ω

1kΩ

| ±(0.8%+3)

±(0.8%+2)

±(1.0%+2)

°C| -2~-10°C

-10~-300°C

300~1370°C

| | ±(10%+2)

±(1.0%+3)

±2.0

• • • • • • • hFE
• °C

Important Note

The special attention should be paid when using the test and measurement instrument because the improper usage may cause electric shock and damage the equipment.

• Use proper measurement category (CAT), voltage, and amperage rated probes, test leads, and adapters for the measurement.
• Do not use or store the device around explosive gas, vapor, or under high temperature and humidity.
• When handling the test probes and crocodile clips, keep your fingers behind the physical guard.
• Examine the measuring test leads (if present) before use. Any element of which the insulation is deteriorated (even partially), replace them with proper functional test leads.
• Connect the common test lead before the live test lead and remove the live test lead before the common test lead.
• Before measuring current, make sure the instrument fuses available and disconnect the power supply to the circuit test.
• Remove the batteries if the device is not used for an extended period of time, or if stored in temperatures above 45 °C. If the batteries are not removed, battery leakage can damage the device.

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