YOKOGAWA DO72, Инструкция по эксплуатации

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IM12J06J02-00EN-P
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2. GENERAL SPECIFICATIONS
2.1 Measuring elements
:
Optical dissolved oxygen sensor in probe body and an oxygen exchange cap (OEC).
2.2 Electrical specifications
Output signal: Bi-directional digital communication
Physical layer: RS485
Protocol: MODBUS, RTU mode
Data rate: Default 19200 b/s (8, No Parity, 2 stop bits)
Power supply: +7 … +30 VDC
Max. 1W in active mode
< 150mW in stand-by mode
Cable: WU10 with one side wired pins and the
other side VarioPin connector
2.3 Mechanical specifications
Case/OEC: Stainless Steel (1.4435), Ra<0.4μm)
OEC sealings / material: O-ring EPDM
OEC sealing dimensions mm (inch): ID 9x1 (0.35x0.03)
Shaft sealing mm (inch): ID 11x3 (0.43x0.11)
Housing size (LxDiam.): 120x12 mm (4.17x0.47)
Weight: Min. 100g (0.22 lbs)
Sensor mounting system: Sensor PG13.5 thread
Sensor connection: VarioPin, 8 pins
2.4 Performance
DO72-W Wide measuring range sensor characteristics
Measuring range: 0 – 22.5 mg/L O
2
Accuracy: ± 0.05 mg/L or 1% of reading
whichever greater
Repeatability ± 0.05 mg/L or 1% of reading
whichever greater
Temperature accuracy:
≤
1.0°C (
≤
1.8°F)
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DO72-T Trace measuring range sensor characteristics
Measuring range: 0 - 2 mg/L O
2
Accuracy: ± 3 ppb or 3% of reading
whichever greater
Repeatability ± 3 ppb or 3% of reading
whichever greater
Temperature accuracy:
≤
1.0°C (
≤
1.8°F)
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