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BEQ - Bimetal Maximum and Moving Iron Ammeter

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Description

Features

  • For AC measurement of actual current, 15 minutes average current and maximum average current
  • Good read-out survey on larger distance
  • Exchangeable dial
  • Resistance to mechanical vibrations
  • Protective cover for terminals (optional)

Application

Combined bimetallic instruments are intended especially for thermal monitoring of transformers, cables, etc. due to their slow reaction to current changes. They indicate mean r.m.s. current value during the measuring period of the instrument. The instrument does not react to short  current pulses essentially. Maximum mean value in a response time period is indicated by the red slave pointer. The latter can be reset or set to zero by means of a knob which can be sealed. Besides the bimetal system the instrument also includes a moving-iron system which measures  instantaneous r.m.s. values.

Technical Data

Accuracy:

bimetal system: 3
moving-iron system: 1.5
(according to EN 60 051)

Housing: Polycarbonat selbstverlöschend, entsprechend UL 94 V-0
protection class:

Housing IP 52
terminal contacts IP 00
according to 60529: 1989

Operating position:: vertical
Ambient Conditions  
Climate class: 2 according to VDE/VDI 3540
Temperature:

Reference range +18 … +28°C
Operating range -25 … +55°C
Storage range -40 … +70°C

Average annual humidity: ≤ 80 % (without condensation)

Downloads

en-List-7-Analogue-Panel-Meters.pdf

 

 
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