In-situ RDO PRO Process Optical Dissolved Oxygen Sensor Ma User Manual

Process Optical Dissolved Oxygen Probe Operator’s Manual November 2013 0089662 Rev. 007

7. Clean the sensor lens with the wipe provided in the kit and allow it to thoroughly dry. Inspect for scratches or dirt. 8. Remove the new

5.0 Controller Requirements and Connections The RDO PRO Probe may be connected to a controller or logger for communication via: • Analog (4-20

5.2 Analog (4-20 mA) 3-wire Signal Color Ground/Return Black External Power (12-36 VDC) Red 4-20 mA Brown  Cable length must not ex

5.3 SDI-12 (3 wire) Signal Color Ground/Return Black External Power (9.6-16 VDC) Red RS485 (-) Green RS485 (+) Blue SDI-12 White  Ca

5.4 Modbus Master with Built-in RS485 Signal Color Ground/Return Black External Power (12-36 VDC) Red RS485 (-) Green RS485 (+) Blue 

5.5 Modbus Master with Built-in RS232 (Converter Required) Signal Color Ground/Return Black External Power (12 VDC, voltage limited by conve

5.5.2 Power Connections The red wire provides power for all system modes. Analog output is disabled by default. However, the 4-20 mA current lo

0049 1 R1/W2 ushort Units Id 1 = °C (default) 2 = °F 0050 1 R1 ushort Data Quality Id 0051 2 R1/W3 float Off line sentinel value (default = 0.0)

6.3.1 Dissolved Oxygen Concentration Equations DO concentration is internally calculated in mg/L. Conversion to other units is as follows: µg/L

6.3.2 Dissolved Oxygen, % Saturation Equations O2%Sat = O2Reading/ O2100%Sat Where: O2 reading is the mg/L reading from the RDO Sensor. O2 100%

© 2008-2013 by In-Situ®, Inc. This document contains proprietary information that is protected by copyright. No part of this document may be photoco

6.4 Calibration Registers Register Size (registers) Mode & Access Level (R/W) Data Type Description 0118 2 R1/W3 float Live salinity value

0% Saturation Calibration Values These values represent the sensor conditions while the probe is in a 0% saturation calibration environment. The

12. Write the Calibration Mode Off command (0xE002) to the sensor command register to place the sensor in normal operation. If the calibration m

7.0 Specifications Optical RDO PRO Dissolved Oxygen Probe Sensor type Optical (luminescent) dissolved oxygen sensor RDO PRO Probe Range: 0

8.0 Accessories and Replacement Parts Accessory Order No. RDO PRO Sensor Cap Replacement Kit...

10.0 Appendix A – Communication Device The Communication Device is an accessory product that can be used to calibrate and set up RDO probes. 10.

11.0 Declaration of Conformity Manufacturer: In-Situ, Inc. 221 East Lincoln Avenue Fort Collins, CO 80524 USA Declares that the followi

Table of Contents 1.0 Introduction ...

1.0 Introduction 1.1 System Description The RDO® Pro Probe is a rugged, reliable instrument designed to deliver accurate dissolved oxygen (DO)

Arrow 1.2 Serial Numbers The instrument serial number is engraved on the side of the unit. The cap serial number is programmed on the memory ch

2.0 Calibrate the RDO PRO Probe Calibrate the probe with the Comm Kit Software and the Communication Device, or calibrate the sensor directly w

2.2 2-point Calibration 2.2.1 100% Calibration Point Perform a water-saturated-air calibration as previously described. 2.2.2 0% Calibration

3.0 Sensor Deployment The cable end of the RDO PRO Probe is internally threaded (1¼ – 11½ NPT) and can be attached to a male threaded pipe. Whe

4.0 Care and Maintenance 4.1 Clean the RDO Cap 1. The cap and nose cone must remain on the probe. 2. Rinse the sensor with clean water from