EFM 255

Item Number: 336.255.0

High quality, precise, handheld Electro-Fieldmeter. The incorporated micro-computer provides high operating comfort and ensures safe operating.


Solid aluminium pistol housing
Built-in 7,2V NiMH storage battery
Very high sensitive and accuracy
Analog display
Analog output ±1V
Serial PC interface

Measuring ranges
± 200 V/m
± 1 kV/m
± 4 kV/m
± 20 kV/m


Dimensions: 170mm x 73,5mm x 77mm (L X W X H)
Weight: Approx. 560g
Display: Digital grapic display
Calibration accuracy: ±2%
Output signal: USB 2.0 Interface

Scope of delivery
Transport case equipped with conductive foam interior
Mains adapter 230V~ / 50Hz
Measurement aperture x10
USB cable with Mini plugt
Grounding cable with alligator clip
CD with PC Software EFM_ReadOut
Declaration of calibration


Thread measurement chamber FMK1

HMK 40

High voltage gage head HMK 40

MK 1

Voltage gage head MK1