• 4 digits display

  • Easy to use with front panel keypad

  • Scale is adjustable between -999...9999V when used with voltage transformer

  • Multifunctional alarm output for upper and lower limits (order option)

  • Communication feature over isolated RS485, using ModBus RTU protocol (order option)

  • Measuring type can be selected as AC, DC or true RMS

  • Key lock feature

  • CE marked according to European Norms


Ambient/Storage Temperature0...50 ºC / -25...70 ºC
Relative Humidity80% Relative humidity for temperatures up to 31 °C, decreasing linearly to 50% at 40 °C
Protection DegreeAccording to EN 60529 Front panel:IP65, Rear panel:IP20
HeightMax. 2000m
Electrical Characteristics
Supply230V AC +10% -20% or 24V AC ±10%, 50/60Hz or 9-30V DC / 7-24V AC ±10% SMPS
Power Consumption5VA
External ConnectionsScrew-terminals
ScaleAC and RMS: For utrr 0...9999V, for u100 0...100V, for u500 0...500V
DC: For utrr -999...9999V DC, for u100 -100...100V DC, for u500 -500...+500V DC
Sensitivity0.01V (If u100 is selected)
0.1V (If u500 is selected and higher than -100V or lower than 100V for input values)
1V (If u500 is selected and lower than -100V or higher than 100V for input values)
AccuracyAC: ±1% (of full scale) (±2% For square wave form)
DC: ±1% (of full scale)
RMS: ±1% (of full scale) (±2% For square wave form)
Input Range-500...500V (If u500 is selected, device breaks down at more than ±1250V DC voltages)
-100...100V (If utrr or u100 is selected, device breaks down at more than ±125V DC voltages)
Input Impedance870kohm
Frequency RangeDC, 10Hz - 200Hz (For square wave form 10Hz-70Hz)
Alarm OutputRelay: 250V AC, 8A (for resistive load), NO+NC
Life ExpectancyMechanical 30.000.000 operations (under no load), Electrical 100.000 operations (8A at 250V AC, resistive load)
Mounting MethodPanel mounting
DimensionsW77xH35xD61 mm
WeightApprox. 250g (after packaging)
Enclosure MaterialSelf extinguishing plastics