EDUCATIONAL METERS

EDUCATIONAL METERS

Beemet Laboratory Desktop instruments are specially designed for easy use in educational institutes and laboratories. These meters are offered with anti-parallax mirror for clear & precise reading.

Salient Features

• BEEMET Portable Desktop meters are ideal for use as teaching material and for experiments.

• Meters are inclined for easy reading & amp; mounted on ABS plastic moulded desk type stand with connections on top terminals.

General Specifications

Accuracy ±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 Electrical Quantities
EDM – I DC Moving Coil Ammeter                 1A – 30A
Microammeter     25μA – 1000μA
Milliammeter        1mA – 1000Am
Voltmeter                1V – 600V
Millivoltmeter       10mV – 1000mV
Galvanometer        30– 0– 30 & 50– 0– 50
EDM-II AC Moving Coil Rectifier
EDM-III AC Moving iron

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