Detcon TP-524C Manual de usuario descargar pdf (Pagina 17)

Poor calibration Repeatability

1. Check for adequate Sensor Life.

2. Check Heater Voltage Setting (should be 5.25 V).

3. Use humidifier filled with Distilled Water or inline humidifying tube.

4. Check validity of cal gas (must be H2S in air background).

5. Check for obstructions through s/s sinter element (including being wet).

6. Check sensor lot # and report to Detcon.

7. Check area for presence of reducing gases such as Cl2 and ozone which may cause low readings.

Unstable output/ Sudden spiking

Unstable power supply, Inadequate grounding, Inadequate RFI protection.

1. Verify Power source.

2. Contact Detcon to optimize shielding and grounding.

3. Add RFI protection accessory.

Nuisance Alarms

1. Check condulet for accumulated water and abnormal corrosion.

If Nuisance alarms happening at night suspect condensation in condulet.

2. Add/Replace Detcon Condensation Prevention Packet P/N 960-202200-000

Memory or Error reports

1. Reinitialize Sensor - Unplug transmitter, replug transmitter then swipe magnet over PGM 1 in the first 3 seconds.

This will clear the processor and recover from error state. Remember to put in all customer settings for range, and

cal gas level after re-initialization.

Non readable display

1. If blue background, install sunshade to reduce temperature.

2. If poor contrast, adjust contrast pot accordingly.

Nothing Displayed – Transmitter not Responding

1. Verify condulet has no accumulated water or abnormal corrosion.

2. Verify required DC power is applied to correct terminals.

3. Swap with a known-good transmitter to determine if transmitter is faulty.

Bad 4-20 mA output or RS485 Output

1. Check that wiring is connected to correct terminal outputs.

Swap with a known-good transmitter to determine if transmitter is faulty.

3.12 SPARE PARTS LIST

600-610000-000 Sensor splash guard

943-000006-038 Threaded Calibration Adapter

399-800000-000 H2S sensor in stainless steel housing

925-015400-100 TP-524C Plug-in control circuit

500-005065-007 Connector board

327-000000-000 Programming Magnet

897-850901-010 3 port enclosure with glass lid

960-202200-000 Condensation prevention packet (replace annually).

985-241100-321 In-Line Humidifying Tube

943-020000-000 Span Gas Kit: Includes calibration adapter, In-Line Humidifying Tube, 200 ml/m span

gas regulator, and carrying case. Does not include span gas.

942-010112-010 Span gas bottle containing 58 liters 10ppm H2S in air (operating range dependent).

942-010112-025 Span gas bottle containing 58 liters 25ppm H2S in air (operating range dependent).

942-010112-050 Span gas bottle containing 58 liters 50ppm H2S in air (operating range dependent).

943-090005-502 200 ml/m regulator for span gas bottle

Detcon Model TP-524C Hydrogen Sulfide Sensor

PG.17

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Detcon TP-524C Manual de usuario Pagina 17

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