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Series 900 Single & Dual Instruction Manual
Page 8
GENERAL
System Electronics Powers/Reads up to two transducers. Flow, Setpoint,
High Alarm, and Low Alarm directly displayed in engineering units. (Linear
models). Outputs 0-5 volts and 4-20 mA for each channel. Valve control
functions of Close/Purge/Monitor. Built-in 10 turn precision setpoint poten-
tiometers. Totalizers (optional) mass flow.
INPUT POWER
115 VAC ± 10%
230 VAC ± 10% (optional)
OUTPUT POWER
+15 VDC @ 1.25 A
–15 VDC @ .90 A
OUTPUT HUM AND NOISE
Less than .05 Volts RMS
AMBIENT TEMPERATURE RANGE
At full rated power: 0-45°C.
At half rated power: 0-60°C.
RELATIVE HUMIDITY
0-50% non-condensing
DISPLAY
31⁄2 digit LCD in engineering units or 0-100% analog.
CONTROLS
Power ON/OFF. Channel Select (two channel configurations). Total mass
flow reset (with totalizer only). One or two precision 10 turn Setpoint pots as
required (for controllers only).
INPUTS
0-5 VDC and 4-20 mA for each channel (jumper selected on PCB).
OUTPUTS
0-5 VDC and 4-20 mA for each channel.
0-5 VDC is referred to common.
4-20 mA is referred to +15 VDC.
ALARMS (Optional)
Low Alarm and High Alarm open collector output for each channel. Able to
sink 100 mA to common. Stand-off voltage 30 VDC. Independently set by
internal pushbuttons/pots. Uses front panel display to show alarm points.
TOTALIZER
Totalizer has 6-digit capacity.
DIMENSIONS
3"H x 9"W x 11"D (without rack mounting ears)
WEIGHT
7 pounds
APPENDIX A
Specifications