Endress+Hauser Oxymax W COS51D, Руководство по эксплуатации

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Oxymax W COS51D Technical data
Hauser 29
10 Technical data
10.1 Input
Measured variable Dissolved oxygen [mg/l, μ g/l, ppm, ppb, % SAT or hPa]
Measuring range 0.01 to 100 mg/l
0.00 to 1000 % SAT
0 to 2000 hPa
10.2 Performance characteristics
Response time • COS51D-***0* (black membrane cap for normal response time):
– t
90
: 3 minutes
– t
98
: 8minutes (each at 20 °C / 68 °F)
• COS51D-***1* (white membrane cap for fast response time):
– t
90
: 0.5 minutes
– t
98
: 1.5 minutes (each at 20 °C / 68 °F)
Reference operating
conditions
Signal current in air
1)
• COS51D-***0* (black membrane cap):
approx. 300 nA
• COS51D-***1* (white membrane cap):
approx. 1100 nA
Polarization time < 60 minutes
Longtime drift
Zero current < 0.1 % of the current in air
Measured value resolution 0.01 mg/l (0.01 ppm)
Maximum measured error ±1 % of measured value
2)
Oxygen intrinsic
consumption • COS51D-***0*:
Approx. 90 ng/h in air at 25 °C (77 °F)
• COS51D-***1*:
Approx. 270 ng/h in air at 25 °C (77 °F)
Repeatability ±1 % of measured value
Reference temperature: 25 °C (77 °F)
Reference pressure: 1013 hPa (15 psi)
1) at reference operating conditions
Zero-point drift: < 0.1 % per week at 30 °C (86 °F)
Measuring range drift: < 0.1 % per week at 30 °C (86 °F)
1)
1) under constant conditions each
2) In accordance with IEC 746-1 at nominal operating conditions