Technical Data - Endress+Hauser COM 381 Instructions De Montage Et De Mise En Service

COM 381
Meas. modes
Concentration Range:
Resolution:
Accuracy:
Range:
Resolution:
Accuracy:
Index of oxygen saturation Range:
Resolution:
Accuracy:
Range:
Resolution:
Accuracy:
Temperature Range:
Resolution:
Accuracy :
Drift control AR Reproducibility
Min. response time approx. 10 sec.
Correction functions
Atmospheric pressure Built-in pressure sensor
Range:
Temperature
IMT-compensation
Range:
Salinity
Setting keys
Range:
Resolution: 0.1
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Technical data

0.00 ... 19.99 mg/l
0.01 mg/l
± 0.5 % of meas. value
± 1 digit at operation
temperature 5 ... 30°C
0.0 ... 90.0 mg/l
0.1 mg/l
± 0.5 % of meas. value
± 1 digit at operation
temperature 5 ... 30°C
0.0 ... 199.9 %
0.1 %
± 0.5 % at meas. value
± 1 digit at operation
temperature 5 ... 30°C
0 ... 600 %
1 %
± 0.5 % of meas. value
± 1 digit at operation
temperature 5 ... 30°C
-5 ... 50.0°C
0.1 K
0.1 K ± 1 digit at operation
temperature -10°C ... 55°C
Concentration: better than 0.05 mg/l
Saturation index: better than 0.6 %
500 ... 1100 mbar
0 ... 40°C
0.0 ... 70.0
Endress+Hauser
Technical data
Calibration method Air calibration
Range of slope: 0.60 ... 1.20
Data storage Ring memory
Number of values: 50 pairs
Output:
Data protection: any long
Display E+H-specific LCD-display
Height:
Width:
Keyboard Field with 9 keys
Inputs 8-pin E+H-plug
Environmental conditions
Ambient temperature Operation:
Storage:
Relative humidity Yearly mean:
30 days/year:
Remaining days: < 90 %
EMC
Interference transmission Technical fundamental standard EN 50081-1
FCC class A
Disturbance Technical fundamental standard EN 50082-1
Namur recommendation (standard requirements)
Power supply
4 x 1.5 V non rechargeable batteries, Typ AA
Operation time 2000 operating hours with alkali/ manganese
batteries
Energy reduction by automatic switch-off after approx. 1 h.
Data storage in case of battery exchange
Oxygen calibration data, meas. values and operation modes remain stored
Housing
Dimensions / Weight 172 x 80 x 37 mm / approx. 0.3 kg
Instrument security
Protection class IEC 1010 / class 3
Protection system IEC 529 / IP 66
Endress+Hauser
COM 381
Display
35 mm
60 mm
- 10°C ... + 55°C
- 25°C ... + 65 °C
< 80 %
< 100 %
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