Accuracy
O
2
measurement with COS 21
Measured value resolution
0.01 mg/l or 0.1 % SAT
Measured error
1
display
±
0.03 mg/l
±
0.3% SAT
Repeatability
±
0.05 mg/l
±
0.5% SAT
Measured error
1
O
2
signal output
max. 0.75 % of measuring range
Temperature measurement with COS 21
Measured value resolution
0.1 °C
Measured error
1
display
max. 1.0 % of measuring range
Measured error
1
temperature signal output
max. 1.25 % of current output range
Ambient conditions
Ambient temperature (nominal operating conditions)
–10 ... +55 °C
Ambient temperature (limit operating conditions)
–20 ... +60 °C
Storage and transport temperature
–25 ... +65 °C
Relative humidity (nominal operating conditions)
10 ... 95 %, non-condensing
Ingress protection of panel-mounted instrument
IP 54 (front panel), IP 30 (enclosure)
Ingress protection of field instrument
IP 65
Pollution degree
2 acc. to IEC 61010-1
Installation category
II
Maximum altitude
2000 m above sea level
Electromagnetic compatibility
Interference emission and immunity to
EN 61326: 1997/ A1: 1998
Mechanical construction
Dimensions of panel-mounted unit (H × W × D)
96 × 96 × 145 mm
Installation depth
approx. 165 mm
Dimensions of field instrument (h × w × d)
204 × 155 × 215 mm
Weight of panel-mounted instrument
max. 0.7 kg
Weight of field instrument
max. 2.3 kg
Measured value display
LC display, two lines, five and nine digits, with status
indicators
Materials
Housing of panel-mounted unit
Polycarbonate
Front membrane
Polyester, UV-resistant
Field housing
standard versions
CSA GP versions
ABS PC Fr
Polycarbonate
Power supply
Supply voltage
100 / 115 / 230 V AC +10 / –15 %, 48 ... 62 Hz
24 V AC/DC +20 / –15 %
Power consumption
max. 7.5 VA
Fuse protection
Fine-wire fuse, medium time lag 250 V / 3.15 A
1
to IEC 746-1, under nominal operating conditions
Subject to modifications.
%
Ω
°C
OM23FE10.CHP
Liquisys M COM 223 F / 253 F
Technical data
Hauser
71