Display: 18mm (0.7") LCD (Liquid Crystal Display), Max indication 1999. Insulation: 200Mohm/100V, 200Mohm/250V, 200Mohm/500V, 1000Mohm/1000V. ACV: 600ACV. OHMS: 200ohm. Sampling Time: 0.4s. Megohm Respond Time: Max. approx. 2.5s. Zero Adjustment: Automatic adjustment. Over-input: Indication of "1". Operating Temp:. 0 to 50°C (0 to 122°F). Operating Humidity: Less than 80%RH. Power Supply: DC 9V (6 x 1.5V AA battery, recommended to use the alkaline or heavy duty battery). Power Consumption: Approx. 100mA (1000Mohm/1000V range)
Precision 200 ohm range easy for measuring low resistance such as motor windings, relay coils etc.
Insulation measurement with high drive current, short circuit current >2.55mA
18mm (0.7") large LCD display
LSI-circuit provides high reliability and durability
Overload protection for each range
Automatic zero adjust & automatic circuit discharge
Durable & portable housing case with the front protective cover
Specifications
General specifications
Display: 18mm (0.7") LCD (Liquid Crystal Display), Max indication 1999
Measurement:
Insulation: 200Mohm/100V, 200Mohm/250V, 200Mohm/500V, 1000Mohm/1000V
ACV: 600ACV
OHMS: 200ohm
Sampling Time: 0.4s.
Megohm Respond Time: Max. approx. 2.5s
Zero Adjustment: Automatic adjustment
Over-input: Indication of "1"
Operating Temp:. 0 to 50°C (0 to 122°F)
Operating Humidity: Less than 80%RH
Power Supply: DC 9V (6 x 1.5V AA battery, recommended to use the alkaline or heavy duty battery)
Power Consumption: Approx. 100mA (1000Mohm/1000V range)
Approx. 28mA (200Mohm/500V range)
Approx. 28mA (200Mohm/250V range)
Approx. 13mA (200Mohm/100V range)
Approx. 10mA (200ohm/OHMS range)
Approx. 1.6mA (600ACV/ACV range)
Electrical specifications (23±5°C)
Insulation:
Range
Accuracy
Resolution
Test voltage
Short circuit current
200Mohm (100V)
±(3%+1d)
0.1Mohm
>2M, 100V+5%
Approx. 2.55 to 2.8mA
200Mohm (250V)
±(3%+1d)
0.1Mohm
>2M, 250V+5%
200Mohm (500V)
±(3%+1d)
0.1Mohm
>2M, 500V+5%
1000Mohm (1000V)
±(3%+1d)
1Mohm
>10M, 1000V+5%
Remark: Accuracy are specified under the measuring value > 2Mohm
OHMS:
Range
Accuracy
Resolution
Open Circuit Voltage
Overload Circuit Protection
200ohm
±(1%+1d)
0.1ohm
Approx. 3V
AC/DC 500V (within 20s)
ACvoltage:
Range
Accuracy
Resolution
Input impedance
Overload Circuit Protection
600ACV
±(1%+2d)
1ACV
4.5Mohm
600ACV
Dimensions: 6.3x4.7x3.3in/160x120x85mm, with housing front cover
Weight: 1.3lb/575g
* Do not apply the overload voltage to the input terminals!
Connect the RED test plug into "ACV terminal" (3-5, Fig. 1)
Connect the BLACK test plug into "COM terminal" (3-5, Fig. 1)
Rotate the "Function/Range Switch" (3-2, Fig. 1) to the "600ACV" position.
Connect test alligator clips into circuit under test.
Push the "Test Button" (3-4, Fig. 1) for measurement.
Mega OHM Measurement (Insulation Measurement)
* Do not touch the input terminals & the test lead's pins during the measurements.
* Do not apply external voltage to input terminals at any time.
Connect the RED test plug into "Hi terminal" (3-5, Fig. 1)
Connect the BLACK test plug into "Lo terminal" (3-5, Fig. 1)
Rotate the "Function/Range Switch" (3-2, Fig. 1) to the "200Mohm/100V", "200Mohm/250V", "200M ohm/500V" or "1000Mohm/1000V" position according the user's requirement.
Connect the test ALLIGATOR CLIPS into the circuit under test.
Push the "Test Button" (3-4, Fig. 1) for measurement.
OHMS Measurement (Continuous Check)
* Do not apply the external voltage to the input terminals!
Connect the RED test plug into "ohm terminal" (3-5, Fig. 1)
Connect the BLACK test plug into "COM terminal" (3-5, Fig. 1)
Rotate the "Function/Range Switch" (3-2, Fig. 1) to the "200ohm" position.
Connect test alligator clips into circuit under test.
Push the "Test Button" (3-4, Fig. 1) for measurement.
Remark: A continuity beeper is equipped. If the measured resistance < approx. 50ohm, the beeper sounds will be generated.
3-1 Display
3-2 Function/Range Switch
3-3 Power Lock/Manual(off) Switch
3-4 Test Button
3-5 Input Terminal
3-6 Battery Cover/Compartment