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Instruction Manual for
Introduction
The instrument of this series is a small hand-held 3 1/2 digital multimeter featuring stable, highly reliable and anti-drop
performance. It is provided with a LCD display of 15 mm height for clear reading. The circuit design takes LSI double
integral A/D converter as its core under the protection of an overload protection circuit, making it a superior and handy
instrument.
It can be used to measure DC and AC voltage, DC current, resistance, diodes, transistors, temperature and for in-circuit
continuity test.
Measurement features of the types of this series:
Features
Alternating Voltage measurement V~
Direct Voltage measurement V
Direct current measurement A
Resistance measurement Ω Ω Ω Ω
Diode measurement
Temperature measurement
On-off measurement
Data hold
Backlight
MAS830BH MAS838H
Series Digital Multimeter
DIGITAL MULTIMETER
MAS830LH
MAS830H
℃ ℃ ℃ ℃
MAS830LH MAS830H
®
MAS830BH
MAS838H
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Summary of Contents for Mastech MAS830LH Series
- Page 1 Instruction Manual for MAS830LH MAS830H MAS830BH MAS838H Series Digital Multimeter ® DIGITAL MULTIMETER Introduction The instrument of this series is a small hand-held 3 1/2 digital multimeter featuring stable, highly reliable and anti-drop performance. It is provided with a LCD display of 15 mm height for clear reading. The circuit design takes LSI double integral A/D converter as its core under the protection of an overload protection circuit, making it a superior and handy instrument.
- Page 2 1. Display 3 1/2 digital, 15 mm height, 7 sections LCD display 2. BACKLIGHT Press the BACKLIGHT button to turn on the backlights which will last 5 seconds, to turn it on again, hit the button as needed. 3. Function and range switch Select different functions and range 4.VΩ...
- Page 3 • Be careful when taking measurement of voltage higher than 60V DC/30V AC. Remember to keep your fingers behind the hand shield of the probe. • When measuring a TV set or switch power supply, watch for pulse in the circuit that may damage the multimeter •...
- Page 4 Alternating voltage measurement Range Resolution Accuracy 200V 100mV ±1.2 % of reading ,± 10 digits ±1.2 % of reading ,± 10 digits 600V Overload protection: 600V dc or rms. Frequency range: 40Hz to 400Hz 。 Display: Average (effective value of sinusoid). Resistor Range Resolution...
- Page 5 Direct current measurement Place the black probe into the COM jack. for current to be measured not exceeding 200mA, put the red one into the "V.Ω.mA" jack. For current to be measured between 200mA and 10A, insert the red probe into the 10A jack Set the function/range switch to the desired A range, and connect the probe in series with the load to be measured.
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