Display
Measured Value:
5 digit, 7 segment back-lit LCD.
Information:
16 character, single line, dot matrix, back-lit LCD.
Ranges:
Programmable 0 to 14pH ± 1000mV. (ORP).
Minimum range:
Any 5pH units or 300mV.
Resolution:
0.1 pH, ± 1 mV.
Accuracy:
±0.01 pH, ± 1 mV.
Temperature compensation:
14° to 230°F (-10° to 110°C) manual or auto via Pt100 resistance
thermometer.
Environmental Data
Operating temperature limits:
-4° to 131 °F (-20° to 55°C).
Storage temperature limits:
--13° to 158°F (-25° to 70°C).
Operating humidity limits:
Up to 95% RH non-condensing.
Power Supply
Voltage requirements:
100 to 130V or 200 to 260VAC 50/60Hz.
Power consumption:
<6VA.
Error due to power supply variation:
Less than 2% for +6% - 20% variation from nominal supply voltage.
Insulation:
AC to ground (line to ground) 2kV r.m.s. |
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Outputs and Set
Points
Number of relays:
Two.
Set point adjustment:
Programmable.
Set point differential:
±1% of span.
Relay contacts:
Single pole changeover.
Rating 250V a.c. 250V d.c. max.
3A a.c.
3A d.c. max.
Loading (non-inductive) 750VA 30W max.
(inductive) 750VA 3W max.
Insulation:
2kV r.m.s. contacts to ground.
Number of set points:
Two.
Set point adjustment:
Programmable.
Set point hysteresis:
± 1 % fixed.
Local set point annunciation:
Red L.E.D.
Retransmission:
Number of retransmission signals:
One fully isolated.
Output current:
0 to 10mA, 0 to 20mA or 4 to 20mA programmable.
Accuracy:
±.25% f.s.d. or ±0.5% reading.
Resolution:
0.1 % at 10mA, 0.05% at 20mA.
Maximum load resistance:
750 (20mA max.).
Serial communication:
RS485 (optional extra) |
