Crompton Instruments 361, 362, 363, 364 Specifications

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Specifications

Model 361 (1

1

/2")

Model 362 (21/2")

Model 363 (31/2")

Model 364 (41/2")

Accuracy

DC ammeters and voltmeters 1.5% 0-100% of full scale deflection
AC ammeters and voltmeters Moving iron: 1.5%

10 -100% of full scale deflection

Moving coil: 1.5% 10-100% of full scale deflection

Frequency meters 0.5% of end scale value

Input ratings

DC moving coil ammeters 50µA - 40A DC. (Model 361: 10A max)
DC moving coil voltmeters 50mV - 600V DC
DC moving coil centre +/-50mA to +/-40A DC. (Model 361: 10A max)
zero ammeters
DC moving coil centre +/-50mV to +/-600V DC. Standard 1k ohm/volt
zero voltmeter
DC moving coil suppressed 4/20mA DC
zero ammeters
DC moving coil suppressed 1/5, 8/16, 16/32 or 12/24 V DC
zero voltmeters
AC moving coil ammeters 100µA - 750mA AC
AC moving coil voltmeters 20 - 600V AC. Standard 900ohms/volt
AC moving iron ammeters 1 - 50A AC (Model 361: non applicable)
AC moving iron voltmeters 3 - 600V AC (Model 361: non applicable)
Frequency 100/130V, 200/250V, 360/440V, 50Hz, 60Hz or 400Hz

(Model 361: non applicable)
Burden Ammeter 0.5VA Voltmeter: 4.5VA Frequency: 4VA
Overload 1.2 continuous x 10 for 0.5 seconds

Enclosure

Movement High torque pivot and jewel moving coil and moving iron
Scale balance Within 1% of scale length
Relative humidity 25% - 80% nominal range of use
Operating temperature 0°C to 40°C (-32°F to 104°F)
Storage temperature -20°C +55°C (-4°F to 131°F)
Case and lower mask Black matte case UL94V. Polycarbonate cover
Window Shatterproof polycarbonate
Surface mounting 4 corner studs
Rear of panel mounting 2 through hole mounts (Model 361: facility pending)

Compliant with

UL and CUL 61010B-1 File no: E236986
Performance ANSI C39.1 1981 and IEC 51
Scaling ANSI C39.1 1981
Safety IEC61010-1 (LVD) and BS EN 61326:1998 (EMC)
Vibration ANSI C39.1 1981 cl. 5.13

Input Model 361 Model 362 Model 363 Model 364

cat. no. cat. no. cat. no. cat. no.

DC moving coil amps 361-01A 362-01A 363-01A 364-01A
DC moving coil volts 361-01V 362-01V 363-01V 364-01V
DC moving coil centre 361-01C 362-01C 363-01C 364-01C

zero amps
DC moving coil centre 361-01N 362-01N 363-01N 364-01N

zero volts
DC moving coil suppressed

361-01R 362-01R 363-01R 364-01R

zero amps
DC moving coil suppressed

361-01S 362-01S 363-01S 364-01S

zero volts
AC moving coil amps 361-01B 362-01B 363-01B 364-01B
AC moving coil volts 361-01W 362-01W 363-01W 364-01W
AC moving iron amps N/A 362-02A 363-02A 364-02A
AC moving iron volts N/A 362-02V 363-02V 364-02V
Frequency N/A 362-41S 363-41S 364-41S

Product Codes

Please specify current, voltage, frequency and required options at time of ordering.