Ametek CEM/Humox, User Manual

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Specifications
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SPECIFICATIONS
Control Unit
Display
Four line x 20 character vacuum fluorescent. Displays combinations of percent
moisture, oxygen (wet or dry), time and date, cell temperature (wet or dry), cooler
temperature, user programmable text, thermocouple mV (wet or dry) or cell mV (wet
or dry). Password protection, programmable pressure compensation and context-
sensitive help are also provided.
Analog Output
Three isolated linear current outputs. Each output can be 4-20 mA, 0-20 mA, 20-4
mA or 20-0 mA and is fully scalable. Hold or track during calibration and select
degree of damping. Maximum load 1200 ohms.
Alarms
Four independent sensor alarms, each high or low selectable. One alarm can be
allocated to % moisture, calibrate or verify. Set relays to energize or de-energize
on alarm.
Contact rating:
0.5A, 30V, 10VA max. noninductive load, AC or DC
Diagnostics
Watchdog timer and service alarms. System test for A/D, RAM, EEPROM and
keypad. Display line 4 reserved for full text error and diagnostic messages. Twenty
entry event log.
Communications
RS-485 2-way addressable.
Environment
Ambient Temp: 14 to 122°F(-10 to 50°C)
IEC Installation Category II
IEC Pollution Degree 2
Max. Altitude: 2000 meters
Relative Humidity: 10% to 80%, noncondensing