Xylem WQ-FDO OPTICAL DISSOLVED OXYGEN TRANSMITTER Manual de usuario descargar pdf (Pagina 5)

Global Water

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II. Sensor Specifications

a. Specifications.

Output Type: Two 4-20mA outputs

DO Range: 0-400mbar @ 20ºC

Resolution: 0.1mbar

Accuracy: +/- 0.5%

Drift: <1% per year

Temp. Range: 0ºC to +50ºC (+32ºF to +122ºF)

Resolution: 0.01ºC (0.02ºF)

Accuracy: 0.1ºC (0.2ºF)

Service Life of Cap: 1 Year minimum under normal use

Emersion Depth: 6cm Minimum (2.4 Inches)

Pressure Rating: 35psi maximum (25m/82ft H

2O)

Voltage Requirements: 10-30 VDC

Supply Current: 25ma plus sum of both 4-20mA outputs

Warm Up Time: 6 seconds minimum, 8 recommended

Response Time: 90% in <30 Seconds

95% in <45 Seconds

99% in <60 Seconds

Low flow conditions reduce response time

Operating Temperature: 0°C to +50°C (32º to 122ºF)

Storage Temperature: 0°C to +50°C (32º to 122ºF)

Sensor Dimensions: 0.86” (22mm) diameter x 8” (202mm) long

Interface Dimensions: 0.82” (21mm) diameter x 7.2” (183mm)

Total Weight: 8oz plus cable

b. Connections:

Red: 10-36VDC

Black: Ground

White: 4-20mA Oxygen Partial Pressure Output

Green: 4-20mA Water Temperature Output

Warning: Always turn off the power when connecting or

disconnecting the sensor or it could be damaged.

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Xylem WQ-FDO OPTICAL DISSOLVED OXYGEN TRANSMITTER Manual de usuario Pagina 5