• Gossen

Gossen Long Scale DIN Analog Panel Meters

VOQS-240 Series


  • Full Line of long scale 240° arc meters
  • Moving coil DC Mechanism
  • Taut-band and Pivot & Jewel suspension


  • Available in 48×48, 72×72, 96×96 and 144x144mm
  • Overload of 120% of rated capacity, continuous
  • Accuracy: DC ±1.5% of full scale
  • Tracking: ± 2% DC
  • Accuracy: DC ±1.5% of full scale
  • Tracking: ± 2% DC
  • IP54 or Tropicalized meters available
  • Wide Range of inputs – to customer’s specifications
  • Overshoot: ©˜5% of scale length
  • Interchangeable scales


These high quality meters comply with DIN EN60051 (IEC51) requirements , with a standard accuracy of ±1.5% of full scale or better.

Gossen meters are designed for applications that require reliable, rugged instruments with high resolution readings. They are manufactured from self-extinguishing, polycarbonate housing or sheet metal housing . Scales are easily interchangeable for maximum scaling flexibility, along with Gossen’s patent mechanical movements, making these meters ideal for any application. The optimum scale display area allows for the use of large, easy to read numerals and divisions. Gossen also offers outstanding meter performance, providing exceptional accuracy, tracking and repeatability.

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Longscale Indicators to read temperature values, usually remotely with RTD or thermocouple sensors supplied by the customer. RTD (Resistance Temperature Detector) indicators measure the change in resistance of the sensor. A 2 or 3 wire system may be used. Thermocouple indicators accept standard millivolt input signals. Cold junction compensation is provided and thermocouple break indication is incorporated.

Watt and Var meters self contained and are available to measure active power and reactive power in both balanced and unbalanced, single and 3 phase 3 or 4 wire systems. These Wattmeters are ideal for clear precise analog indication of power in applications such as power generation, industrial control panels and power distribution.

Phase Angle meters indicate the phase displacement between current and voltage. Used in applications where the phase angle must be monitored, for example with tariffs having VAr penalties, or to optimise generator power delivery. The measuring system comprises a moving coil indicator and a phase angle transducer

Where manual parallelling of two A.C. systems is necessary, the frequency of both systems can be monitored by a Synchroscope. The systems are synchronised when the pointer is stationary in the 12 o’clock position. The instrument is rated for continuous operation and connection, and silicon oil damping is employed.

  • Literature
  • Specifications
pdf icon Description
++ VPQS240 Specification Sheet
Meter Types
Power Meters, kW, kVar , PF
Phase Angle
Scaling: Customized to any scaling desired, from linear to specialized Cos Ø, square root distributions, with color applications for visual emphasis and to any desired engineering units.
Specific accuracies
Basic Accuracy: ±1.5% of full scale basic accuracy class.
Rectifier Type Meters: ±2% of full scale basic accuracy class.
Expanded Scale Voltmeters: 0.5% of full scale
Frequency Meters: ± .15Hz @45-55Hz and 55-65Hz, ±0.093Hz @ 58-62Hz, ±1.5Hz @350-450Hz
Zero Suppressed Meters: Errors at 20% suppression = ±2% of end-scale
Higher Accuracy: 1% or better of Full scale or better
Position of use: Vertical (position) standardor to specified angle or position
Full scale deflection: 240 °
Movements: Taut Band
The absence of friction resulting from this permits greater sensitivities and provides more rugged meters.Common failures of conventional meters subjected to shock testing are cracked jewels and/or blunted pivots.
Pivot and Jewel
In this design the coil and pointer are supported by polished steel pivots at each end which fit into jewel bearings. Pivot and jewel meters are recommended for high vibration environments because of the mechanism’s inherent stability and strength. Accuracy and repeatability are almost equal to the taut-band’s, and good performance from the pivot and jewel construction is the reason for its long popularity.
Case: Polycarbonate Plastic – metal casing available for special applications that require extra shielding
Cover: Glass window with black polycarbonate bezel
Damping: Eddy current
Continuous 120% of rated value
Short-Term:Current Measurement Moving Coil10 x rated value, 5 s With rectifier:2 x rated value, 0.5 s
Short-Term:Voltage Measurement Moving Coil2 x rated value, 5 s With rectifier:2 x rated value, 0.5 s
Overshoot: ≤5% of scale length
Response time: ≤2 s per DIN EN 60061-1
Power Consumption: Ammeters: 0.4 … 0.6 VAVoltmeters: approx. 4.0 VA
Operating Temp.: -25°C to 65°C (-4 to 149°F)Tropicalized or IP54 sealed units available
Storage Temp: -10 to 55°C (14 to 50°F)
Relative Humidity: 95% (non condensing)