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Simpson 270-5 VOM

Extra-High Accuracy VOM

Higher accuracy specifications for those more critical measurements are found in the Model 270-5. It has a better than 30% improvement in voltage and resistance accuracy as a full-function/range member of the Simpson 260 type VOM group.

DC V Accuracy 1.25% of Full Scale
AC V Accuracy 2% of a Full Scale
Resistance Accuracy 1.08 of Arc
Diode Protected Self-Shielded Movement
Includes Batteries and Probe Leads With Alligator Clips


DC Voltage
Ranges Accuracy Sensitivity
250mV, 1V, 2.5V, 10V, 50V, 250V, 500V,1000V 1.25% of full scale @ 77°F 1.75% of full scale @ 67-87°F 20k per volt

AC Voltage
Ranges Accuracy Sensitivity
2.5V, 10V, 25V, 50V, 250V, 500V, 1000V 2% of full scale @ 77°F 3% of full scale @ 67-87°F 5k per volt

Decibel 4 Ranges- -20 To +50dB Reference- 0dB=1mW Into 600V
DC Current
Ranges Accuracy Voltage Drop (Nominal)
50mA,1mA,10mA, 100mA, 500mA, 10A 0.75% of full scale on 50mA @77°F 1.25% full scale of all others @77°F 1.25% of full scale on 50mA @ 67-87°F 1.75% of full scale of all others @ 67-87°F 250mV on 50A, 1mA; 255mV on 10mA , 10A; 300mV on 100mA; 500mV on 500mA

BATTERIES: 1.5V AA, 9V (NEDA No. 13F,1604A)
SIZE: 7”(H) x 5.5”(W) 3.1”(D) (18x14x8cm)
WEIGHT: Approximately 3LBS. (1.4Kg)
FUSE: F1 1A, 250V, type 3AG, quick acting Littelfuse® Type 312001; F2 2A, 600 Littelfuse® Type BLS or 2A 600V, Bussman® Type BBS.
Accuracies specified are for the 270-5 in a horizontal position.


Padded Nylon “Grab N Go” made of tough durable nylon enables VOM to be stored for quick field use... test leads remain in panel jacks. Thick padding protects your meter. Available in Yellow (00832) and Black (00834).


Roll-top case made of a durable composite material protects meter during transit/storage. Cover rolls back into case for use. Special storage compartment for test leads under meter.

VOM Catalog Number Accessories Catalog Number Accessories Catalog Number
270-5, High Accuracy 270-5RT, High Accuracy, w/ Roll-top Case 12226 12227 Probe Set, Threaded w/Clips 151-2 Power Line Splitter Grip Tip Adapter, Screw On Alligator Clips, Screw On Universal Kit, Deluxe 23-Piece Universal Kit, 14-Piece 150-2 Amp Clamp Adapter, AC) 00043 00544 00118 00425 00818 005577 00545 Case, Molded Plastic Case, Yellow Padded Nylon Case, Black Padded Nylon Case, Hard Leatherette Front Load Case, Roll-top 45028 00832 00834 00805 00248

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