Simpson 270 Series 5

Analog - VOM


Simpson Catalog Number 12226

The Simpson 270 Series 5 comes standard with the mirrored dial.

This model has 30% greater accuracy at room temperature (77 F) than the 260 Series 8.

 The Simpson 270-5 has the Taut Band Suspension and a mirrored dial to eliminate parallax errors.

The "M" designation is not used in the series number.

The 270 Series 5 has the three green Amp-Clamp scales.

Controls include: Ohms zero adjustment, AC - DC Voltage selector switch, and a

12 position Function / Range selector switch. Eight recessed probe jacks take the "reverse banana"

type test leads. The off or "transit" position is on the AC / DC switch.

Starting with the 260 Series 7 and the 270 Series 5, the 1000 Volts to Ground rating is engraved

in or printed on to the face, just below the model number.

More inside views linked below.

The Simpson 270-5 uses the NEDA 13 F "D" cell and NEDA 1604A (9 Volt) battery combination.

The 270-5 has the separate battery / fuse cover to allow you to change the batteries and fuses

without removing the entire back cover. This meter uses a 1 Amp & 2 Amp Fuse.

Case Size: 5 " x 7 " x 3"  -  Weight: 3 Pounds  -  2007 Price: $237.10

The Adjust-A-View handle can also support the meter in a sloping position for viewing.

Simpson 270-5 Specifications


Ranges 250mV, 1V, 2.5V, 10V, 25V, 50V, 250V, 500V, 1000V

1.25% of full scale @ 77F, 1.75% of full scale @ 67-87F * Sensitivity 20K per volt


Ranges 2.5V, 10V, 25V, 50V, 250V, 500V, 1000V

2% of full scale @ 77F, 3% of full scale @ 67-87F * Sensitivity 5K per volt

Rated Circuit-To-Ground Voltage 1000V (AC or DC) max.


5 Ranges -20 to +50dB * Reference 0dB= 1mW into 600Ω


Ranges 50μA, 1mA, 10mA, l00mA, 500mA, 10A

Accuracy 0.75% of full scale on 50μA @77F, 1.25% full scale of all others @77F,

1.25% of full scale on 50μA @ 67-87F, 1.75% of full scale of all others @ 67-87F

Voltage Drop: (Nominal) 250mV on 50μA , 1mA; 255mV on 10mA , 10A; 300mV on 100mA, 500mV on 500mA


Ranges Rx 1, Rx 100, Rx 10K

Accuracy 1.5 of arc on Rx1, 1.0 of arc on other

Maximum Indication 0-2KΩ, 0-200Ω, 0-20MΩ

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