Model PD690 Universal Process Meter
Instruction Manual
INTRODUCTION
This meter is a high performance, easy to use, industrial-grade micro-
processor-based digital process meter. It accepts all the standard
process signals: 4-20 mA, 1-5V, 0-5V and 0-10V and displays these sig-
nals in engineering units on a 4
1
/
2
digit display. The display includes
an extra zero, which may be used to handle numbers up to 199,990.
The meter also provides 24 VDC to power the transmitter. Options
include 2 or 4 relays and an Isolated 4-20 mA Transmitter Output.
Typical Applications
Level:
Sump Pump Control
Water Tank Level
Round Horizontal Tank Volume Measurement
Well Draw-down
Lift Station Control
Flow:
Square Root Extraction from a DP Transmitter
Pressure:
Compound Pressure
High Pressure Alarms
Ordering Information
Ordering example: PD690-3G-14, process meter powered from
115 VAC (-3) with 2 relays (-14).
*Part numbers for Option Cards when purchased separately
4
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115 VAC
230 VAC
24 VDC
Options Installed Option
Model
Model
Model
Card*
PD690-3-N
PD690-4-N
PD690-2-N
No Options
PD690-3-14
PD690-4-14
PD690-2-14
2 Relays
PD174
PD690-3-15
PD690-4-15
PD690-2-15
4-20mA Out
PD175
PD690-3-16
PD690-4-16
PD690-2-16
2
PD176
4-20 mA Out
PD690-3-17
PD690-4-17
PD690-2-17
4 Relays
PD177
PD690-3-18
PD690-4-18
PD690-2-18
4
PD178
4-20 mA Out
