MO SERIES

Beemet M series Ammeters are manufactured in both Moving Coil and Moving Iron type, are designed for wide view with a clear glass front.

MO–65

Beemet M series meters manufactured in both Moving Coil and Moving Iron type, are designed for wide view with a clear glass front.

• Powerful and stable Alnico Magnets.
• Polished Carbon Steel Pivots.
• Jewelled Bearings for maximum accuracy.
• Phosphor Bronze Springs.
• Bakelite body with glass front.

Salient Features

• Rugged movement ensures sustained accuracy and reliability.
• Clear and well-defined dial markings with knife edge pointer.
• Confirms to IS. 1248-83 standards.

General Specifications

Accuracy ±1.5 / 2.0 of FSD
Measurable Quantities AC and DC Voltage or Current
Pointer deflection 0 - 90º
Frequency 50/60Hz
Sensitivity 1000Ω/V (Voltmeter); 200Ω/V (ammeter)
Overload Capacity According to IS: 1248 / IEC 51
Short duration for voltmeter 2 times for 5s: 1 overload
2 times for 0.5s: 9 overload
Short duration for ammeter 10 times for 5s: 1 overload
10 times for 5s: 9 overload
Continiously 1.2 times rated voltage or current
Operating Temperature -10 to 55°C
Storage Temperature -25 to 65°C
Relative Humidity < 75% annaul average, non-condensing

Range Chart

Model Description Ammeter Voltmeter
MO – 65 DC Moving Coil 25μA – 60A,
1A – 10000A*
10mV - 600V
SO – 65 AC Moving Iron 10mA – 100A,
1A - 10000A**
10V – 600V
CO – 65 AC Moving Coil Rectifier 1mA – 20A 1V – 600V

* With external Shunt      ** With external CT

Dimensions

Wiring Diagrams

DC Moving Coil Voltmeter and Ammeters: 

Voltmeter with direct connection
Ammeter with direct connection
Ammeter with Shunt

AC Moving Coil Voltmeter and Ammeters: 

Voltmeter with direct connection
Voltmeter with PT
Ammeter with direct connection
Ammeter with CT

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