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Samstag, 21 Oktober 2017
MM900 - Technical Specification Print E-mail
MEASUREMENT OUTPUT

Current
Pulsed 1200A DC maximum (at 4V) dependant on loop impedance. Pulsed / continuous 100A DC regulated (up to 6V).
No-Load Voltage
10V DC maximum.
Operation
1200A pulse with 1 second duration. 100A pulse with 2 second duration. 100A continuous (no time limit).
SafetyRe-settable thermal / magnetic circuit breaker.
Connectors
Heavy duty wing-nut.

MEASUREMENT INPUT

Range:
0 to 1.999 or 19.99mΩ (selectable).
Resolution:
1 or 10μΩ (range selected).

1% of reading +/- 1 digit.
Voltage Sense:
1 x voltage input from contact / joint.
Connectors:4mm safety socket.

OUTPUT

Analogue:
2 x 0 to 10V DC conditioned outputs representing measured Current Level and Micro-Ohms.
1 x Calibrate for calibration check. 4mm safety socket.
Connectors:
4mm safety socket.

GENERAL SYSTEM

Back-lit 3½ digit LCD for readout of Ohms or Amps. (switch selectable).
Current On lamp indication (red).
Unit Armed lamp indication (green).
Trigger In (volt free contact) for Dynamic Micro-Ohm Test (SA100, SA100R or SA100RS required) and Trigger Out (15V logic).

Intermittent audible during continuous operation.

‘Operate’ push button for 100 / 1200A pulse or 100A continuous with stop, modes of operation (static testing). Rotary selector switch for Off / 100A (1.999mΩ range) / 100A (19.99mΩ range) / 1200A (1.999mΩ range).
LED indicators for Fault, Over Current, Battery Low and Charging.
Multipurpose accessory socket for in-car charging, remote meter, power out, trigger in and trigger out.

OPERATING VOLTAGES

Prime Power:
Internal sealed rechargeable batteries.
Recharge Power:
110 to 330V DC or 85 to 265V AC (47
to 440Hz) auto-sensing.
In-Car 12V DC @ 3A (negative earth).
Burden:
<100VA load.

ENVIRONMENTAL

Operating
Temperature:

-20°C to 70°C (-4°F to 158°F).
Humidity:
0 to 97% RH non-condensing.
Isolation:
2kV rms for 1 minute (input / output to ground).
Surge Withstand Transient:
To IEC 801-5. 5kV, 1.2/50μSec, 0.5 joule.
Common Mode: Severity level class 4.
Series Mode: Severity level class 3.
RF Immunity:
To IEC 801-3 level 3.
10V/m 26-1000MHz.
Emissions:To EN50081-1: 1992.

MECHANICAL DETAILS

Case:
370mm wide x 205mm deep x 500mm high.
Weight:
16.9kg.

SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE