ALFA D0 DP -10/+90°C (01)
Doc.no.: 150429 Version 1.0
Page 2 of 6
4
Error messages
In the display of the ALFA D0 DP the following error messages can appear:
E1
- Sensor defective.
Solution E 1:
- Check if the sensor is connected correctly.
- Check the sensor value (1000
Ω
at
25°C).
- Replace the sensor.
EE
- Settings are lost.
Solution EE:
- Reprogramme the settings.
If an error-message occurs, it can be reset by pressing the hidden SET key.
5
Adjustment sensor
The temperature sensor can be adjusted by using the Sensor-Offset (parameter 05).
Indicates f.i. the sensor 2°C too much, than the Sensor-Offset has to be decreased by 2°C.
6
Technical data
Type
ALFA D0 DP
Range
-10,0/+90.0°C
Readout per 0,1°C
Supply
12 VDC / 120mA
(-5/+10%)
Or else see sticker
Display
3-digit 7-segment
26mm red LED displays
Sensor
SM 811 2-Wire
PTC 1000
Ω
@
25°C
Control
By four hidden pushbuttons on the front
Front
Polycarbonate
Cable entry
Through rubbers on the bottom-, top-side or supplied seperately
Dimensions
200 x 112 x 31 mm
(W x H x D)
Accuracy
+/- 0,5% of the range
- Provided with memory protection during power failure.
- Connection with screw terminals on the back side.
- Equipped with self test function and sensor failure detection.
- Special version on request available