CO2 Meter RAD-0002 Operating Manual

CO2 Meter RAD-0002 Operating Manual

Oxygen monitor, remote oxygen storage safety system
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Oxygen Monitor Operating Manual
Model: RAD-0002 Remote Oxygen Storage Safety System
1. Product Description
Thank you for selecting the RAD-0002 Remote Oxygen Storage Safety
System. This monitor is designed to detect oxygen depletion or
enrichment in enclosed spaces and to warn occupants of hazardous
levels. High/Low Concentrations of oxygen (O2) in confined spaces are
dangerous, and may lead to health problems ranging from headaches and
fatigue to asphyxiation and death. This monitor has both audible and
visual alarms which activate when the O2 concentration is lower than the
pre-set alarm levels. Detection of low levels of O2 will also activate relays
that can be used for a fan or air-handling system to ventilate the confined
space and improve O2 concentration in the area.
*The first audible and visual alarms will activate when the oxygen
concentration falls below 19.5% per OSHA requirements.*
The RAD-0002 O2 Monitor is cost-effective and has many features including:
Separate SEU (Main Sensor Unit) and RDU (Remote Display Unit) allow you to see
warning before entering an enclosed area. Up to 3 RDUs can be used.
Large digital LCD display clearly indicates the ambient O2 concentration.
Relay outputs to control ventilation devices.
O2 depletion and enrichment settings.
Audible and visual alarms at three separate alarm levels.
Ability to add strobes for additional indication.
Automatic barometric pressure compensation for high altitude use.
2. Package Contents & Description
The RAD-0002 package comprises the following parts:
1. SEU (Main Sensor Unit)
2. RDU (Remote Display Unit)
3. Power Supply (Pre-Wired)
4. International Power Adaptor (3 pieces)
5. CAT 5 Communication Cable (1 piece)
6. Relay Cables (3 pieces)
7. Wall Plug Safety Strap (1 piece)
8. Warning Signs
9. User Manual (1 piece)
10. Mounting Brackets (2 pieces)
11. Screws (13 pieces)
12. Wall Anchors (12 pieces)
13. Cable Clips (10 pieces)

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Summary of Contents for CO2 Meter RAD-0002

  • Page 1 *The first audible and visual alarms will activate when the oxygen concentration falls below 19.5% per OSHA requirements.* The RAD-0002 O2 Monitor is cost-effective and has many features including: • Separate SEU (Main Sensor Unit) and RDU (Remote Display Unit) allow you to see warning before entering an enclosed area.
  • Page 2 SEU (Main Sensor Unit) A. O2 Sensor B. LCD display C. Power Green LED D. Alarm 1 Red LED E. Alarm 2 Red LED F. Alarm 3 Red LED G. Fault Yellow LED H. MODE Button I. UP Button J. DOWN Button K.
  • Page 3: Lcd Display Symbols

    3. LCD Display Symbols Sym bol Mean ing Descr iption O2 Concentration ppm (Parts Per ambient O2 concentration Million) Alarm alarm icon Test communications between the SEU and RDU DIAG Diagnose The relay 1 will be triggered when O2 concentration is lower than AL1.
  • Page 4 The AL3 (Depletion) of O2 is 12%. • When the RAD-0002 Monitor detects O2 value lowers than the O2 AL1(Depletion) , operate Alarm 1 LED, Fault LED ,Relay 1, Audible, Strobe(if exist), till RESET on SEU regardless the rise of O2 level.
  • Page 5 7. Power The RAD-0002 comes pre-wired with a 12V power supply that plugs in to a 120-240VAC wall outlet. The 12V power supply can be removed and 24VDC can be wired directly to the SEU through the terminal block. 24VAC must be converted to 24VDC for the monitor to operate.
  • Page 6: Installation Example

    The five LED’s will blink and the buzzer will sound on both the SEU and RDU. Then both LCD screens will show the same information. This verifies that alarm is ready. 8. As a reminder, The RAD-0002 has 3 relay outputs connected to the programmed alarm settings. All relays are normally open/closed dry contacts.
  • Page 7 9. Advanced Management Settings These settings use a non-obvious key combination to prevent casual users from changing alarm settings. In most cases, the default settings are recommended. 1.1 Alarm Level Lock / Unlock: If the alarms are locked, an employee cannot change the alarm levels.
  • Page 8: Customizing The Settings

    10. Customizing the Settings 1.1 Select Temperature Units Press the Up button to switch between ºF & ºC: 1.2 Select Barometric Units Press the Down button to switch from hPa to inHg 1.3 Diagnostic Test Test the communication link between the SEU & RDU. 1.
  • Page 9 1.5 Setting the O2 Second Alarm parameter of depletion: 1. Press Mode until the “ AL2” “O2” icon flashes and “depl” displays. 2. Press Enter, the “AL2” icon shows on LCD, default AL2= 1.7% 3. Press Up/Down to go through 16.0/16.5%/17.0%/17.5%” 4.
  • Page 10: Part 2: Span Calibration

    Fail 3 minutes later 5. Press Enter again(save) or press Mode (not save) quit the Cali mode Note: please pump N2 (zero O2) into the RAD-0002 from the gas entry and wait about 5min before calibration, then execute the “ZERO” calibration.
  • Page 11: Recover Factory Settings

    1.8 Recover Factory Settings If calibration or changing custom parameters has caused the RAD-0002 to behave incorrectly, use the ReFactSet function to return the unit to its original condition at shipping. 1. Press Mode until the “ReFactSet” icon flashes. 2. Press Up/Down button to choose either “Yes” or “No”.
  • Page 12: Specifications

    13. Specifications ■ Oxygen & Temperature Sensor Specifications: Oxygen Sensor Specifications Range 0 - 25% display Display Resolution 0.1% Accuracy Better than 2%FS Pressure Auto pressure compensation, built in barometer. (500‐ Dependence 1200 mbar) Response Time O2: <2min by 90% 18.0%, 18.5%, 19.0%, 19.5%, O2 AL1 20.0%.
  • Page 13: Support And Warranty

    14. Fault Codes &Troubleshooting Guide This section includes a list of Frequently Asked Questions for problems you may encounter with the RAD-0002 O2 Monitor. Description Fault SEU Indication RDU Indication Suggested Actions (of the fault) Icon The ambient temperature has...

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