45
12
Specification
CHANNELS
1, 2 or 3
ILM201
1 x Nitrogen
ILM210
1 x Helium
ILM211
1 x Helium, 1 x Nitrogen
ILM220
2 x Helium
ILM221
2 x Helium, 1 x Nitrogen
SENSING METHOD
Helium
Superconductive Wire
Nitrogen
Capacitance
PROBE LENGTH
Helium
1.4 metres (standard wire)
2 metres (low resistivity wire)
Nitrogen
2 metres
PROBE CURRENT (Helium)
130mA Typ,
150mA Max Continuous
280 mA Max Pulsed
PULSE WIDTH (Helium)
Adjustable 1 second to continuous
PROBE RESISTANCE (Helium)
50 - 200 ohms / metre (adjustable)
VOLTAGE COMPLIANCE (Helium)
40 volts
SAMPLING INTERVAL (Helium)
1 to 1999 seconds (FAST)
1 to 1999 minutes (SLOW)
PROBE CAPACITANCE (Nitrogen)
130 pF / metre (typical)
DISPLAY TYPE
0.56 inch red LED
DISPLAY RANGE
-1.0% TO +101.0%
AUTOFILL CONTROL
Open Collector logic output
Internal Relay (optional)
Stepper Motor Drive (One channel)
AUTOMATIC SHUT DOWN
Open Collector logic output
Internal Relay (optional)
ALARM
Internal Audible Alarm
Open Collector Logic o/p
Internal Relay (optional)
RELAY CONTACT RATING
240 V AC, 5 A (Where fitted)
RS232 INTERFACE
Configured as DCE
HANDSHAKE
None Required
BAUD RATE
9600 Baud
