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Table of Contents
Related Manuals for WatchGas PDM
Summary of Contents for WatchGas PDM
- Page 1 USER MANUAL Single gas detector we watch gas where you can't...
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Page 2: Table Of Contents
Single gas detector CONTENTS DESCRIPTION WARNING CAUTION 1. PRODUCT OVERVIEW 2. ACTIVATION 3. MODE 3.1 Detection Mode 3.2 Display Mode 3.3 Alarms / Battery / Test Failure display 3.4 Alarm Set Points 3.5 Default Calibration Concentrations 4. EVENT LOG 5. CALIBRATION 5.1 Fresh Air Calibration 5.2 Standard Gas Calibration 5.3 Return to the Detection Mode... -
Page 3: Description
DESCRIPTION The PDM is a portable single gas monitor designed to warn the user about the presence of dangerous concentrations of oxygen, combustible, or toxic gases in the atmosphere. It is simple to operate. The PDM alerts the workers to danger through acoustic alarm, flashing LEDs, and vibration when the concentration exceeds the safety gas levels. -
Page 4: Product Overview
Single gas detector 1. PRODUCT OVERVIEW DETECTOR COMPONENTS 1. Gas sensor 2. Gas type sticker 3. LCD display 4. Button 5. Buzzer 6. Optical alarm LEDs 7. IR communication port DISPLAY SYMBOLS Alarm Low Alarm High Alarm Stabilization Success Failure Fresh Air Calibration Standard Gas Calibration Remaining Months... -
Page 5: Activation
2. ACTIVATION In a safe environment, press and hold down the button ( ) for three seconds, after the three second countdown the monitor will turn on. Gas type and firmware version (eg. 1.2.6) will be displayed. During a 10 seconds countdown, the device will stabilize itself. After stabilization is complete, will appear on the display screen and the device will move to the Measuring mode. -
Page 6: Alarms / Battery / Test Failure Display
Single gas detector At the last step, if you press the key or do not push any button for a second, the PDM will re- turn to Measuring mode. 3.3. ALARMS / BATTERY / TEST FAILURE DISPLAY When a gas concentration exceeds alarm set points, will be displayed and the device will vibrate, flash its LEDs, and beep. -
Page 7: Alarm Set Points
5 ppm 4. EVENT LOG Last 30 events are stored on the PDM. Once 30 events are stored, the oldest log events get overwritten. Stored log events can be transferred via WatchGas-IR Link. Each alarm event is recorded as follows: •... -
Page 8: Standard Gas Calibration
5.2. STANDARD GAS CALIBRATION Attach the calibration adapter to the PDM and to a gas cylinder with a concentration matching the calibration concentration. Check 3.1. Display Mode to check the calibration concentration. Press and hold the key for 5 seconds to enter calibration mode ( ), icon and ‘CAL’... -
Page 9: Return To The Detection Mode
6. SELF TEST & BUMP TEST 6.1 SELF TEST The default interval of the Self-Test is 20hr, meaning the PDM will ask for a self test after each 20 hours of use. -
Page 10: Bump Test
Put the PDM in the docking station with a valid and full gas cylinder. Alternatively, attach the calibration adapter to PDM and a valid and full gas cylinder. Press and hold the key for 3 seconds, the TST message will be displayed for 45 seconds (To cancel, press the button for one second). -
Page 11: Specifications
24 months with Normal Alarm Use 1 time and 2 minutes per day WARRANTY 24 months SENSOR SPECIFICATIONS DETECTABLE GAS MODEL RESOLUTION ARTICLE NUMBER RANGES PDM O₂ 0-30% vol 0.1% vol 7181411 PDM CO 0-500 ppm 1 ppm 7181412 PDM H₂S 0-100 ppm 0.1 ppm... -
Page 12: Certificates
Single gas detector 8. CERTIFICATES Intrinsic Safety: The detector is in conformity of the following standards IECEx: Ex ia IIC T4 Ga IECEx KTL 15.0018 Ex ia IIC T4 Ga Class I, Zone 0, AEx ia IIC T4 Ga Class I, Division 1, Groups A, B, C, D, T4 C22.2 No. -
Page 13: Limited Warranty
Single gas detector 9. LIMITED WARRANTY WatchGas warrants this product to be free of defects in workmanship and materials-under nor- mal use and service-for two years from the date of purchase from the manufacturer or from the product’s authorized reseller.