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Faithfull FAI DETMULTI Instruction Manual

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FAI DETMULTI

Instruction Manual

Read this instruction manual thoroughly
before use and retain for future reference.

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Summary of Contents for Faithfull FAI DETMULTI

  • Page 1: Instruction Manual

    FAI DETMULTI Instruction Manual Read this instruction manual thoroughly before use and retain for future reference.

  • Page 2: Warranty

    Warranty This instrument is guaranteed to be free from defects in material and workmanship for a period of one year. The guarantee does not cover product failure due to misuse, negligence or fair wear and tear. In the case of electrical products used for hire, the guarantee period is restricted to three months.
  • Page 3 Warning To avoid possible electric shock or personal injury, follow these guidelines: Do not use the meter if it is damaged. Before you use the meter, inspect the case. Pay particular attention to the insulation surrounding the connectors. Inspect the test leads for damaged insulation or exposed metal.
  • Page 4 When servicing the meter, use only specified replacement parts. Use with caution when working above 30V ac rms, 42V peak, or 60V dc. Such voltages pose a shock hazard. USE EXTREME CAUTION when working with high voltages. When using the probes, keep your fingers behind the finger guards on the probes.
  • Page 5 CAT II - Measurement Category II is for measurements performed on circuits directly connected to low voltage installation. (Examples are measurements on household appliances, portable tools and similar equipment.) Do not use the meter for measurements within Measurement Categories III and IV. Caution To avoid possible damage to the meter or to the equipment under test, follow these...

  • Page 6: Maintenance

    Periodically wipe the case with a damp cloth and mild detergent. Do not use abrasives or solvents. Introduction FAI DETMULTI is a handheld 3½-digit LCD digital multimeter with the advantages of precision reading and stable performance, and can be used for the measurement of DC voltage, AC voltage, DC current, resistance, diode and continuity.

  • Page 7: Front Panel

    Front Panel 1. Display 3½ digit, 7 segment, 15mm high LCD. 2. Back light switch Press to illuminate the LED display, auto switch off after approximately 7 seconds. 3. Rotary switch Used to turn the meter on and off and select the required function and ranges. 4.

  • Page 8: General Specifications

    5. “10A” jack Plug in connector for Red test lead when performing 10A measurement. 6. “COM” jack Plug in connector for Black (negative) test lead. 7. “VΩmA” jack Plug in connector for Red (positive) test lead for voltage, resistance and current (except 10A) measurements.

  • Page 9: Specifications

    Specifications Accuracy is specified for a period of 1 year after calibration and at 18°C ~ 28°C with relative humidity up to 75% Accuracy specifications take the form of: ±[(% of Reading)+(Number of Least Significant Digits)] DC VOLTAGE RANGE RESOLUTION ACCURACY 200mV 100µV...
  • Page 10 DC CURRENT RANGE RESOLUTION ACCURACY 20µA 0.01µA 200µA 0.1µA ±(1.0%+5) 1µA 20mA 10µA 200mA 100µA ±(1.2%+5) 10mA ±(2.0%+5) Max. input current: 10A (Can not last for more than 10 seconds) RESISTANCE RANGE RESOLUTION ACCURACY 200Ω 0.1Ω ±(1.2%+5) 2kΩ 1Ω ±(1.0%+5) 20kΩ...

  • Page 11: Dc Voltage Measurement

    Operating Instructions DC Voltage Measurement 1. Connect the Red test lead to the "V Ω mA" jack and the Black test lead to the "COM" jack. 2. Set the Function/Range switch to the desired range. If the voltage to be measured is not known beforehand, set the range switch to the highest range and then turn it down range by range until satisfactory resolution is obtained.

  • Page 12: Ac Voltage Measurement

    2. Set the Function/Range switch to the desired range. If the current to be measured is not known beforehand, set the range switch to the highest range and then turn it down range by range until satisfactory resolution is obtained. 3.

  • Page 13: Resistance Measurement

    Resistance Measurement 1. Connect the Red test lead to the "V Ω mA" jack and the Black test lead to the "COM" jack. 2. Set the Function/Range switch to the desired Ω range. 3. Connect the test leads to the resistor to be measured and read the value displayed on the LCD.

  • Page 14: Audible Continuity Test

    Audible Continuity Test 1. Connect the Red test lead to the "V Ω mA" jack and the Black test lead to the "COM" jack. 2. Set the Function/Range switch to " " range. 3. Connect the test leads to the two terminals of the circuit to be tested.

  • Page 15: Battery And Fuse Replacement

    Battery & Fuse Replacement If " " appears on the LCD, it indicates that the battery should be replaced. To replace the battery, open the case and remove the depleted battery, replace with a new one of the same type (9V battery, 6F22 or equivalent), then close the case.
  • Page 16 , Backlight, Note 1. This manual is subject to change without notice. Faithfull tools take no responsibility for personal injury, loss or damage caused by the impropriate or misuse of this product. 3. The contents of this manual can not be used as the reason to use the meter for any other special application.

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