10. Customizing the Settings
10.1 Select Temperature Units:
Press the Up button to switch between ºF & ºC:
10.2 Select Barometric Units:
Press the Down button to switch from hPa to inHg
10.3 Diagnostic Test:
Test the communication link between the SEU & RDU.
1. Press Mode until the “DIAG” icon flashes
2. Press Enter. The five LED’s will blink and the buzzer will sound on the SEU and
RDU simultaneously.
10.4 Set AL1 Alarm Level:
(only if Alarm level is unlocked - see 9.1)
1. Press Mode until the “O2” & “AL1” icons flash
2. Press Enter, the “AL1” icon shows on LCD. Default AL1 = 23.0%
3. Press Up/Down to go through AL1 levels: 21%, 21.5%, 22%, 22.5%, 23%,
23.5%, 24%, 24.5% and 25%
4. Press Enter to save or press Mode to exit without saving.
10.5 Set AL2 Alarm Level:
(only if Alarm level is unlocked - see 9.1)
1. Press Mode until the “O2” “AL2” icon flashes
2. Press Enter, the “AL2” icon shows on LCD. Default AL2 = 24.0%
3. Press Up/Down to go through AL2 levels: 21%, 21.5%, 22%, 22.5%, 23%,
23.5%, 24%, 24.5% and 25%
4. Press Enter to save or press Mode to exit without saving.
10.6 Set AL3 Alarm Level:
(only if alarm level is unlocked - see 9.1)
1. Press Mode until the “O2” “AL3” icon flashes
2. Press Enter, the “AL3” icon shows on LCD. Default AL3 = 25.0%
3. Press Up/Down to go through AL3 levels: 21%, 21.5%, 22%, 22.5%, 23%,
23.5%, 24%, 24.5% and 25%
4. Press Enter to save or press Mode to exit without saving.
Note: The 3 alarm levels cannot overlap.
10.7 Calibration:
Zero and Span Calibration should both be performed at least annually. They can
be performed onsite or the SEU can be returned for factory calibration. Check your
state or local code for calibration schedule requirements in your jurisdiction.
What you will need: a test gas cylinder of pure nitrogen (0% O2), a cylinder of 21%
oxygen, a regulator, tubing, and a small piece of masking tape to cover the buzzer
hole on the bottom right corner of the SEU. If you are calibrating in situ, first inform
occupants to ignore the alarms while calibration takes place.
Part 1: Zero Calibration:
1. Hold the tubing from the Nitrogen (0% O2) gas cylinder to the oxygen sensor
opening on the top right-hand corner of the SEU.
2. Open the gas regulator. Set the flow rate between 0.15-0.50 liters per minute.
3. Wait until the O2 reading on the SEU settles consistently at or near 0% O2 on
the screen. All alarms will be triggered.
4. Press the Mode button 5 times. The “O2” and “CALI” icons will flash.
5. Press Enter to view the calibration settings. The words “O2” and “ZEro” will
begin flashing on the LCD.
6. Press Enter again to begin calibrating. “CALIBRATING” will begin flashing.
7. After approximately 3 minutes, the LCD will display either “PASS” or “FAIL”
8. If the LCD reads “FAIL”, repeat the steps again. If it displays “PASS”, press
Enter. The display should now show 0%
9. Remove the nitrogen gas.
10. Press the Reset button at the bottom right-hand side of the SEU front cover.
Part 2: Span Calibration:
1. Hold the tubing from the 21% oxygen gas cylinder to the oxygen sensor
opening on the top right-hand corner of the SEU.
2. Open the gas regulator. Set the flow rate between 0.15-0.50 liters per minute.
3. Wait until the O2 reading on the SEU settles consistently at or near 21% O2 on
the screen.
4. Press the Mode button 5 times. The “O2” and “CALI” icons will flash.
5. Press Enter to view the calibration settings. The words “O2” and “ZEro” will
begin flashing on the LCD.
6. Press the Up or Down arrow key to change from “Zero” to “SPAn”.
7. Press Enter again to begin calibrating. “CALIBRATING” will begin flashing.
8. After approximately 3 minutes, the LCD will display either “PASS” or “FAIL”
9. If the LCD reads “FAIL”, repeat the steps again. If it displays “PASS”, press
Enter. The display should now show 21% O2.
10. Remove the oxygen gas.
11. Press the Reset button at the bottom right-hand side of the SEU front cover.
12. Remove tape over the alarm buzzer holes.
10.8 Recover Factory Settings:
If calibration or changing custom parameters has caused the RAD-0012 to behave
incorrectly, use the ReFactSet (Recover Factory Settings) 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”.
3. Press Enter to save or press Mode to exit without saving.
11. Product Care
To insure you receive the maximum benefit from using this product, please
observe the follow guidelines.
1.
Repair - Do not attempt to repair the product or modify the circuitry by yourself.
Please contact CO2Meter directly if the product needs servicing, including the
replacement or calibration of sensor See section 15 for technical support
contact information.
2.
Cleaning - Disconnect the power before cleaning. Use a damp cloth. Do not use
liquid cleaning agents such as benzene, thinner or aerosols, as these will
damage the device.
3.
Maintenance – We recommend testing the communication between the SEU
and RDU under ‘DIAG” function. If these five LEDs blink and the buzzer of SEU
and RDU sound simultaneously, it indicates that SEU and RDU work normally.
12. Specifications
■
Oxygen & Temperature Sensor Specifications:
Oxygen Sensor Specifications
Measurement Range 0 - 25% display
Display Resolution
0.1%
Accuracy
Better than 2%FS
Pressure
Dependence
Auto pressure compensation, built in barometer. (500
1200 mbar)
Response Time
O2: <2min by 90%
O2 AL1
21%, 21.5%, 22%, 22.5%, 23%, 23.5%, 24%, 24.5% and
25%.
The default AL1 is 23.0%.
O2 AL2
21%, 21.5%, 22%, 22.5%, 23%, 23.5%, 24%, 24.5% and
25%.
The default AL2 is 24.0%
O2 AL3
21%, 21.5%, 22%, 22.5%, 23%, 23.5%, 24%, 24.5% and
25%.
The default AL3 is 25.0%.
Sound Alarm
80db@10cm
Warm-Up Time
< 60 seconds at 72°F (22°C)
Temperature Sensor Specifications:
Temperature Range
32°F to 122°F (0°C to 50°C)
Display Resolution
0.1°F (0.1°C)
Display Options
°F /°C
Accuracy
±2.7°F (±1.5°C) when O2 concentration is above first
alarm level
Response Time
20-30 minutes (case must equalize with environment)
Operating Conditions:
Operating
Temperature
32°F to 122°F (0°C to 50°C)
Humidity Range
0 ~ 95% RH non-condensing
Storage Conditions:
Storage Temperature
-4°F to 140°F (-20°C to 60 °C)
■
Power Supply
Power
Supply
DC
9~32VDC (12~32VDC recommended), 2A.
AC adapter
Input: 100~240 VAC,50/60Hz, 0.6A
Output: 12VDC, 2000mA.
Battery Voltage
6VDC (5.4V~7.0V),
recommended capacity is 12AH
■
Relay Outputs
Relays 1-3
Peak current for each relay < 2A @ 30VDC or 250VAC
Relay configuration: SPDT
■
Weight and Dimensions
SEU
Weight 1
lb.
Dimensions (LxWxD)
6.69 x 4.96 x 2.73 inches
RDU
Weight 0.4
lb.
Dimensions (LxWxD)
5.51 x 3.54 x 1.89 inches
13. Safety Notes
Warning: Your safety is very important to us. To ensure to use the product correctly
and safety, please read these warnings and the entire User Manual before using the
product. Otherwise, the protection provided by the equipment may be impaired.
These warnings provide important safety information and should be observed at all
times.
1. Please handle the device carefully; do not subject the product to impact or
shock. Otherwise, this may cause the accuracy drift.
2. Do not place the unit near a heat source. Heat can cause distortion of the unit,
which may result in an explosion or fire.
3. Do not touch the exposed electronic circuitry of the device under any
circumstances, as there is the dangerous of electric shocks.
4. Please take care of cable connection between SEU and RDU. Make sure the
cable from SEU is connected into the INPUT port of RDU.
5. Please ensure the external power supply is normally supplied to ventilation fan
while the relay is working. If there has no normally power supply to the fan, the
relay will not work, which may result in potential danger with lower O2
concentration in confined space.
14. Fault Codes &Troubleshooting Guide
This section includes a list of Frequently Asked Questions for problems you may
encounter with the RAD-0012 O2 Monitor.
No
LCD
Fault
Icon
Description
(of the fault)
SEU
Indication
RDU
Indication
Suggested Actions
1 Er3
The ambient
temperature has
exceeded the
temperature range
32°F to 122°F
(0°C to 50°C)
“Er3” flash,
Fault LED
blink
“Er3” flash,
Fault LED
blink
This error will
disappear when the
temperature returns to
the range between
32°F to 122°F (0°C
and 50°C)
2 Er5
EEPROM System
Problem
“Er5” flash,
Fault LED
blink
“Er5” flash,
Fault LED
blink
Power on again or
press reset button, if
the “Er5” always
appear, please contact
with the local dealer.
3 Er7
Internal Data
Transmission Error
“Er7” flash,
Fault LED
blink,
“Er7” flash,
Fault LED
Blink
Check the RJ45 plug is
connected into the
INPUT port of RDU, if
the “Er7” displays on
the RDU only.
Press reset button on
SEU or power on
again
15.
Support & Warranty
Contact us: We’re here to help!
If the troubleshooting guide above doesn’t help you solving your problem or for more
information, please contact us using the information below.
[email protected]
(386) 256-4910 (M-F 9:00am–5:00pm EST)
www.CO2Meter.com
CO2Meter, Inc.
131 Business Center Drive
Ormond Beach, FL 32174
Phone: 386-872-7665 | Fax: 866-422-2356
Email: [email protected]
Ref. No.:122016
