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Weschler Instruments is a manufacturer and distributor of electrical and electronic measurement equipment. Customers worldwide use our products in power plants, steel mills, chemical plants, paper mills and other industrial applications that require rugged, reliable and accurate instrumentation.
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Item # QM100V40, 2-Wire Voltage Quick Mount LCD Panel Meter

QM100V40 2-Wire Voltage Quick Mount LCD Panel Meter

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  • Monitoring System Voltage
  • Powered from Measured Signal
  • Reverse Polarity Protected

Note: Replaced by Lascar Model EMV 1200-40



4.0-40.0 VDC


0.4V ± 1 count

Max. Supply

50 VDC at 3 mA

Sample Rate

3 s

Character Height

0.50 in
12.5 mm

Operating Temperature

0 to 50 ºC

Dimensions (W x H)

1.71 x 0.84 in
43.0 x 21.4 mm

Mounting Hole

7/32 in
5.5 mm


IP65 Front


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(PDF, 251KB)

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