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3. Specification
3-1 General features
3-1-1. Displaying: LCD
3-1-2. Max display: 1999 (3 1/2) digits automatic polarity display
3-1-3. Max.jaw open: 35mm
3-1-4. Over-range display: “OL” displayed in the highest digit
3-1-5. Hold: Data hold
3-1-6. Relative value measurement
3-1-7. Sampling rate: 3 times/sec
3-1-8. Low battery display:
3-1-9. Continuity test: If the resistance is < (50 ± 10)Ω, the buzzer sounds continuously
3-1-10. Auto range or manual range
3-1-11. Auto power off
3-1-12. Power consumption: Approx. 3A
3-1-13. Battery: 2pcs 1.5V battery (AAA 7# battery)
3-1-14. Working environment: (0 ~ 40)ºC, relative humidity < 70% RH
3-1-15. Size: 195mm x 65mm x 33mm (length x width x height)
3-1-16. Accessories: Operation manual, test leads, 2pcs AAA batteries, slide blister paper card.
3-2. Technical Features
3-2-1. Accuracy: ± (a % x reading data + digits), environment temperature at (23 ± 5)ºC, relative humidity < 75%, one year guarantee since production date.
3-2-2. Temperature coefficient: 0.1 x ted accuracy / 1ºC (< 18ºC or > 28ºC)
3-2-3. DC Voltage:
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Range
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Accuracy
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Resolution
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200mV
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±(1.0% + 5d)
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0.1mV
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2V
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± (0.5% + 5d)
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1 mV
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20V
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10 mV
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200V
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100 mV
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600V
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1V
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Input impedance: approx. 10MΩ
Overload protection: 600V DC/AC RMS.
3-2-4. AC Voltage:
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Range
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Accuracy
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Resolution
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200mV
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±(1.5% + 5d)
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0.1mV
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2V
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± (1.0% + 5d)
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1 mV
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20V
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10 mV
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200V
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100 mV
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600V
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1V
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Input impedance: approx. 10MΩ
Overload protection: 600V DC/AC RMS.
Rrequency response: (50 ~ 60) Hz at 600V range, other range: (40 ~ 400) Hz.
3-2-5. Resistance:
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Range
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Accuracy
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Resolution
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200 Ω
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±(0.8% + 5d)
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0.1 Ω
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2kΩ
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± (0.8% + 3d)
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1 Ω
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20 kΩ
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10 Ω
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200 kΩ
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100 Ω
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2MΩ
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1 kΩ
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20MΩ
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±(1.2% + 5d)
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10 kΩ
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Open circuit voltage: 400 Mv
Overload protection: 250V DC/AC RMS
Warning: please don’t input voltage value at this range.
3-2-6. Continuity test:
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Range
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Description
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Test condition
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 + 0)))
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Display read approx forward voltage of diodc
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Forward DC current approx
0.5mA. reversed voltage
Approx: 1.5V
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Buzzer sounds if resistance
Between terminals V/Ω and COM is less than about (50 ± 10) Ω
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Voltage of open is circuit
Approx: 0.5V
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Overload protection: 250V DC/AC RMS
Warning: please don’t input voltage value at this range.
3-2-7. AC current
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Range
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Accuracy
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Resolution
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2A
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±(2.0% + 5d)
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1mA
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20A
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10 mA
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200A
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100 Ma
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600A
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1A
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Overload protection: 600V (input time can’t exceed 1 minute)
Rrequency response: (50 ~ 60) Hz.
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