499a trdo manual

Fill solution may cause irritation. May be harmful if swallowed. Read and follow manual. Procedure 1. Unscrew the membrane retainer. 2. Remove the membrane assembly and O-ring. See Figure 3. Hold the sensor over a container with the cathode pointing down. 4. Remove the fill plug. 5. Allow the electrolyte solution to drain out. 6. Inspect. The Model A TrDO sensor is intended for the determina-tion of trace (ppb) levels of dissolved oxygen in steam power plants and high purity cooling water. The A TrDO is a membrane-covered amperometric sensor. The sensor consists of a gas-permeable TFE membrane stretched tightly over a gold cathode. A silver anode and an. Full Title: Form A Document Type(s): Letter Bureau(s): Wireline Competition Description: Form A.

Fill solution may cause irritation. May be harmful if swallowed. Read and follow manual. Procedure 1. Unscrew the membrane retainer. 2. Remove the membrane assembly and O-ring. See Figure 3. Hold the sensor over a container with the cathode pointing down. 4. Remove the fill plug. 5. Allow the electrolyte solution to drain out. 6. Inspect. Model A DO, A DOVP for ppm level Model A TrDO, A TrDOVP for ppb level Hx, Bx, and Gx steam-sterilizable oxygen sensors SPECIFICATIONS — FREE CHLORINE Measurement Range ppm (mg/L) as Cl2 (limited by sensor) Resolution: ppm (Autoranges at to and to ). The A TrDO is a membrane-covered amperometric sensor. The sensor consists of a gas-permeable TFE membrane stretched tightly over a gold cathode. A silver anode and an electrolyte solution complete the internal circuit.

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