Table of Contents
Advertisement
Quick Links
Advertisement
Table of Contents
Related Manuals for Mastech MS8240A
Summary of Contents for Mastech MS8240A
- Page 1 MS8240A Digital Multimeters FUNC HOLD FUSED FUSED...
-
Page 2: Table Of Contents
1. Preface CONTENTS This digital multimeter (hereinafter referred to as 1. Preface .............1 the “meter”) is a pocket-sized multifunction instrument that uses 4 x1.5V SIZE AA batteries. 2. Safety Information ........1 This series of products is designed with beautiful 3. Product Overview ........3 appearance, firm structure and excellent durability. -
Page 3: Product Overview
order to avoid personal injury and meter malfunction 3. Product Overview that may be caused by electric shock. 3.1 Product Outline • Do not measure any voltage outside the measurement FRONT PANEL range specified by this meter. • Although there is an internal protection circuit in the resistance measurement position, do not apply any high voltage (above 100V) in the resistance measurement position. -
Page 4: Function Keys
Appearance description 4. Technical Indicators 1. Liquid crystal display (LCD) 4.1 General Characteristics 2. Maximum key Manual measuring range DMM, with 1999 in count 3. Data hold key under full range. 4. Knob Display: 3 1/2-bit LCD display 5. Inputs of voltage, resistance, frequency and diode Overload protection: Full-function and 6. -
Page 5: Electrical Technical Indicators
4.2 Electrical Technical Indicators 4.2.3 Diode Measuring range Resolution Function (Environment temperature: 23±5°C, relative humidity: <75%) Display forward voltage 0.001V drop of diode 4.2.1 DC voltage Measuring range Resolution Accuracy Backward DC voltage: About 1.5V Forward DC current: About 1mA 200mV 0.1mV Overload protection: 250V DC or AC (RMS) - Page 6 4.2.6 DC current 4.2.9 Temperature Measuring range Resolution Accuracy Measuring range Resolution Accuracy 1µA ±(5.0% reading + 4digits) -20°C~0°C 10µA ±(1.0% reading + 5digits) ±(2.0% reading + 3digits) 20mA 0°C~400°C 1°C 100µA ±(3.0% reading + 3digits) 200mA 400°C~1000°C 10mA ±(1.5% reading + 8digits) ±(5.0% reading + 4digits) -0°F~32°F ±(2.0% reading + 3digits)
-
Page 7: Measurement Operation
5. Measurement Operation 5.2 Resistance Measurement 5.1 DC Voltage and AC Voltage Measurement Warning To avoid damaging meter or device to be measured, Warning before measuring resistance, turn off all circuits to 1. Do not measure any RMS voltage higher than be tested and discharge all high voltage capacitors. -
Page 8: Continuity Measurement
5.3 Diode Measurement 5.4 Continuity Measurement of Buzzer Warning Warning To avoid damaging the meter or device to be To avoid damaging meter or device to be measured, measured, before measuring diodes, turn off all before continuity tests, turn off all circuits to be circuits to be tested discharge all high voltage tested and discharge all high voltage capacitors. -
Page 9: Capacitance Measurement
5.5 Capacitance Measurement 5.6 Transistor Measurement Warning Warning To avoid damaging meter or device to be measured, Do not apply any RMS voltage higher than 250V DC before continuity tests, turn off all circuits to be or AC between common end and hFE end. tested and discharge all capacitors. -
Page 10: Frequency Measurement
5.7 Frequency Measurement Method of measuring current: 1. Turn off the power supply and discharge all high Warning voltage capacitors on the circuit to be tested. Do not measure the frequency of RMS voltage 2. Rotate switch to the appropriate position. higher than 250V DC or AC. -
Page 11: Temperature Measurement
5.9 Temperature Measurement 6. Maintenance 6.1 Battery Replacement Warning When the symbol shows on the display during Do not input any voltage higher than 12V DC or AC use of the meter, you must replace the batteries, to RMS within the temperature measuring range, to avoid affecting the normal use of the meter. - Page 12 HYS006664...
Need help?
Do you have a question about the MS8240A and is the answer not in the manual?
Questions and answers