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8. Technical Specifications
pH Range
0.0 to 14.0 pH
Resolution
0.1 pH
Relative Accuracy
+/- 0.1 pH
mV Range
-1250 to +1250 mV
Resolution
10 mV
Relative Accuracy
+/- 10 mV
Temperature
Compensation
Automatic / Manual (0 to 100.0
o
C)
Temperature
0 to 100
o
C
Resolution
0.1
o
C
Relative Accuracy
+/- 0.5
o
C
Sensor
PT 100
Calibration
Push-bush 1 to 3 points
Calibration Options
pH 4.0, 7.0 and 10.0
Output
4-20 mA, screw terminals (non-isolated);
Max. load 200
Ω
Display
LED, 3 digits
Inputs
BNC, screw terminals
Input Impedance
10 ^ 12
Ω
Input Bias Current
50 pA max. at 25
o
C
Recommended Input
Cable Length
Less than 5 meters
Relays
No. Of Relays
Maximum Voltage
Maximum Current
High Hys. Band
Low Hys. Band
2 - High set & Low set SPDT
240 VAC
3A
0.2 to 2.0 pH or 20 to 200 mV
0.2 to 2.0 pH or 20 to 200 mV
Power Requirements
110 VAC or 220 VAC (Jumper selectable)
Environmental
Requirements
Operating
Storage
Humidity Limits
0 to 50
o
C
-10 to 60
o
C
10 to 95% RH (non condensing)
Storage Temp. Range
0 to 50
o
C
Dimensions
1/8 DIN size; 96 (L) x 48 (H) mm (Front panel)
Содержание Alpha pH 100 C
Страница 24: ...23 Appendix 2A Jumper Positions pH Jumper Positions inside the Controller...
Страница 25: ...24 Appendix 2B Jumper Positions ORP Jumper Positions inside the Controller...
Страница 26: ...25 Appendix 3 pH Offset Slope 4 0 4 5 7 0 7 5 10 0 10 5 mV Axis pH Axis Current pH curve Adjusted pH curve...
Страница 28: ...27 NOTES...