Mastech M266 Series - AC Current Specifications; Insulation Test Specifications; AC Voltage Specifications; DC Voltage Specifications

4.2 AC CURRENT
Range
Resolution
Accuracy
20A
0.01A
±4.0％of rdg±5 digits
200A
0.1A
±2.5％of rdg±5 digits
1000A
1A
±3.0％of rdg±10 digits
Frequency Range: 50Hz to 60Hz
Response: Average, Calibrated in rms of sine wave
Overload protection: 1200A within 60 seconds. Jaw Opening: 50mm
4.3 INSULATION TEST
(With option 500V insulation tester unit)
Range
Resolution
Accuracy
Note
20M
10k
±2.0％of rdg±2 digits
2000M
1M
±4.0％of rdg±2 digits
≤ 500M
±5.0％of rdg±2 digits
＞ 500M
4.4 AC VOLTAGE
Range
Resolution
Accuracy
200V
0.1V
±1.0％of rdg±5 digits
750V
1V
±1.2％of rdg±5 digits
Input Impedance: ≥9M on all ranges
Overload protection: 1000V DC or 750V AC on all ranges
Frequency Range:(50Hz to 400Hz) /≤ 600V; (50Hz to 200Hz) / 750V.
Response: Average, calibrated in rms of sine wave
4.5 DC VOLTAGE
Range
Resolution
Accuracy
200mV
0.1mV
±0.5％of rdg±1 digit
2V
1mV
±0.5％of rdg±3 digits
20V
10mV
200V
0.1V
1000V
1V
±0.8％of rdg±3 digits
Input Impedance: ≥9M
Overload protection: 250Vrms AC for 200mV range, 1000V DC or 750V
AC for other range.
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4.6 RESISTANCE
Range
Resolution
Accuracy
200
0.1
±1.0％of rdg±5 digits
2k
1
±1.0％of rdg±8 digits
20k
10
200k
100
2M
1k
Overload protection: 250V DC or 250Vrms AC on all ranges.
Open circuit voltage: 700mV
4.7 TEMPERATURE (FOR M266C ONLY)
RANGE
RESOLUTION
Accuracy
0℃ to 400℃
( 32℉ to 752℉)
401℃ to 750℃
( 754℉ to 1382℉)
0℃ to
750℃
1℃
1.0% of rdg  3 digits
2.0% of rdg 3 digits
32℉ to
1382℉
1℉
4.8 FREQUENCY (FOR M266F ONLY)
Range
Resolution
Accuracy
2kHz
1Hz
±2.0％of rdg±5 digits
5. ACCESSORIES
COME WITH THE CLAMP METER
Test Leads Model: T3000
Battery 9V 6F22 or equivalent
Operation Manual
Temperature probe（for M266C only）
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M266Fに
は20Aレンジはありません。