PD662 Loop-Powered Meter
Instruction Manual
7
Input
ACCURACY
±1 count
FUNCTION
Linear (2 to 32 points) or square root
TEMPERATURE
DRIFT
50 PPM/
C from -40 to 85
C ambient
DECIMAL POINT
User selectable decimal point
MINIMUM SPAN
Input 1 & Input 2: 0.40 mA
CALIBRATION
RANGE
An
Error
message will appear if input 1 and input 2 signals
are too close together.
Input
Range
Minimum Span
Input 1 & Input 2
4-20 mA 0.40 mA
MAXIMUM
VOLTAGE DROP
Without Backlight
With Backlight
1.7 VDC @ 20 mA
3.7 VDC @ 20 mA
EQUIVALENT
RESISTANCE
85 Ω @ 20 mA
185 Ω @ 20 mA
INPUT
OVERLOAD
Over current protection to 2 A max.
Heater
POWER
24 VDC, 11 W max.
REQUIRED
SWITCH & FUSE
A CSA Approved fuse rated min 30 VDC, 1 A, T and a readily
accessible switch or a circuit breaker shall be provided to
facilitate the disconnection of power to the heater.
OPERATION
METHOD
On/Off control with an internal temperature sensor. Heater is
on only when necessary due to external temperatures.
TEMPERATURE
CUTOFF
Internal 104°C thermal cutoff for over temperature protection.
ENVIRONMENTAL
(with Heater)
Operating temperature for CSA certification: -55 to 75°C
Functional temperature range: -55 to 85°C
Storage temperature range: -40 to 85°C
Relative humidity: 0 to 90% non-condensing
