REED ST-9918T Instruction Manual Download Page 1 | Manualshive

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reedinstruments

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Model

ST-9918T

True RMS Autoranging

Digital Multimeter

Instruction

Manual

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Summary of Contents for ST-9918T

Page 1: ...reedinstruments www com Model ST 9918T True RMS Autoranging Digital Multimeter Instruction Manual...

Page 2: ...urrent Measurement 7 AC Current Measurement 7 8 Resistance Measurement 8 Continuity Check 8 Diode Test 9 Capacitance Measurement 9 Frequency Measurement 10 Temperature Measurement 10 Specifications 10...

Page 3: ...ed before carrying out resis tance tests The rotary selector switch must only be turned after removing test con nections All external voltages must be disconnected from the instrument before removing...

Page 4: ...l advises the user that the terminal s so marked must not be connected to a circuit point at which the voltage with respect to earth ground exceeds in this case 1000 VAC or VDC Equipment protected thr...

Page 5: ...in Voltages Amps mA uA C or F ranges HOLD button The HOLD function allows the meter to freeze a measurement for later reference 1 Press the HOLD button to freeze the reading on the indicator The HOLD...

Page 6: ...rn to normal operation press and hold the PEAK button until the Pmin or Pmax indicator switches off NOTE If the Function switch position is changed after a calibration the Peak Hold calibration must b...

Page 7: ...the A position and insert the red test lead banana plug into the 10A jack 5 Press the AC DC button until DC appears in the display 6 Remove power from the circuit under test then open up the circuit...

Page 8: ...black test lead plug into the negative COM socket and the red test lead plug into the positive jack 3 Press the MODE button until appears in the display 4 Touch the test probe tips across the circuit...

Page 9: ...all or zero the device is shorted NOTE The value indicated in the display during the diode check is the forward voltage Capacitance Measurement WARNING To avoid electric shock discharge the capacitor...

Page 10: ...t whose temperature you wish to measure Keep the probe touching the part under test until the reading stabilizes about 30 seconds 5 Read the temperature in the display Note The temperature probe is fi...

Page 11: ...range OL mark indication Low battery indication The symbol is displayed when the battery voltage drops below the operating level Measurement rate 2 times per second nominal Auto power off Meter autom...

Page 12: ...AC Voltage Auto ranging Range Resolution Accuracy 400 0mV 0 1mV 0 8 of rdg 3 digits 4 000V 1mV 40 00V 10mV 400 0V 100mV 1000V 1V 1 2 of rdg 5 digits Input Impedance 7 8M AC Response 50 Hz 60Hz Maximum...

Page 13: ...A ac rms on 10A range Resistance Auto ranging Range Resolution Accuracy 400 0 0 1 0 8 of rdg 5 digits 4 000k 1 0 8 of rdg 2 digits 40 00k 10 400 0k 100 4 000M 1k 2 5 of rdg 8digits 40 00M 10k Input Pr...

Page 14: ...c or 1000V ac rms Temperature Range Resolution Accuracy 20 C 760 C 1 C 3 of rdg 5dgts 4 F 1400 F 1 F 3 of rdg 8dgts Sensor Type K Thermocouple Overload protection 1000V dc or ac rms Diode Test Test cu...

Page 15: ...rect polarity 4 Put the battery cover back in place Secure with the two screws NOTE If your meter does not work properly check the fuses and battery to make sure that they are still good and that they...

Page 16: ..._______________ ________________________________________________ ________________________________________________ ________________________________________________ _____________________________________...

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