• 
Accuracy (DMM157) 
Resolution (by range) 
2V 
20 V 
200V 
600 V 
DC Current 
Ranges 
Accuracy (DMM155) 
Accuracy (DMM157) 
Overload Protection 
mA input 
10A input 
Resolution (by range) 
2 mA 
200 mA 
10 A 
AC Current 
Ranges 
Accuracy (DMM155)  
1 mV 
10 mV 
100 mV 
1 V 
2 mA, 200 mA, 10 A (10 A range: 
30 seconds maximum above 
10 A input up to 13A) 
2 mA, 200 mA ranges: 
± (1.2% reading + 2 digits) 
10 A range: 
± (2.5% reading + 5 digits) 
2 mA, 200 mA ranges: 
± (1.0% reading + 2 digits) 
10 A range: 
± (2.5% reading + 3 digits) 
1 A (240 V) fast-blow fuse 
13 A (240 V) fast-blow fuse 
1A 
100 pA 
10 mA 
2-mA, 200 mA, 10 A (10 A range: 
30 seconds maximum above 
10 A input up to 13A) 
2 mA, 200 mA ranges: 
± (1.7% reading + 4 digits) 
50 Hz to 400 Hz 
10 A range: 
± (2.9% reading + 7 digits) 
50 Hz to 400 Hz 
2 mA, 200 mA ranges: 
± (1.5% reading + 4 digits) 
50 Hz to 400 Hz 
10 A range: 
± (2.9% reading + 5 digits) 
50 Hz to 400 Hz 
1 A (240 V) fast-blow fuse 
13 A (240 V) fast-blow fuse 
Overload Protection 
mA input 
10 A input 
Resolution (by range) 
2 mA 
200 mA 
10 A 
Resistance 
Ranges 
1 pA 
100 pA 
10 mA 
200 0, 2 kO, 20 kO, 200 kO, 2 MO, 
20 MO. (20 MO range measures 
approximately 2 MO to 20 MO 
only.) 
Accuracy (DMM155) 
20 MO Range 
200 0 Range 
Other Ranges 
Accuracy (DMM157) 
20 MO Range 
200 0 Range 
Other Ranges 
Overload Protection 
Test Voltage 
Low-Power Ohms 
Open-Circuit 
Voltage 
High-Power Ohms 
Open-Circuit 
Voltage 
± (2.5% reading + 
4 
digits) 
± (1.2% reading + 2 digits) 
± (1.0% reading + 2 digits) 
± (1.9% reading + 4 digits) 
± (1.0% reading + 2 digits) 
± (0.8% reading + 2 digits) 
600 VDC/VAC
R
ms all ranges 
Approximately 450 mV 
Approximately 900 mV 
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