| Model Name |
CO-03 |
HS-03 |
OX-03 |
GP-03 |
| Gas Detected |
Carbon Monoxide (CO) |
Hydrogen Sulfide (H2S) |
Oxygen (O2) |
Combustible gas |
| Detection Principle |
Electrochemical |
Galvanic cell |
Catalytic combustion |
Detection Range
(Increments) |
0 – 500 ppm
(1 ppm) |
0 – 100 ppm
(0.5 ppm) |
0 – 40%vol.
(0.1% vol.) |
0 – 100% LEL
(1% LEL increments) |
| Alarm Set Points |
1st 25 ppm
2nd 50 ppm
TWA 25 ppm
STEL 200 ppm
Over 500 ppm |
1st 5.0 ppm
2nd 30.0 ppm
TWA 1.0 ppm
STEL 5.0 ppm
Over 100.0 ppm |
Low 19.5% vol.
High 23.5% vol.
Over 40.0% vol. |
1st 10% LEL
2nd 50% LEL
Over 100% LEL |
| Alarm Types |
- Gas alarms: 1st and 2nd (user adjustable), OVER alarm, STEL and TWA
- Trouble alarms: Sensor connection, low battery circuit failure, and calibration range error
|
| Alarm Methods |
- Gas alarm: Flashing LED’s, intermittent buzzer, flashing gas value, and vibration
- Trouble alarm: Flashing LED’s, intermittent buzzer, and display of error message
- STEL & TWA alarms: Flashing LED’s, intermittent buzzer, flashing gas value, and vibration
|
| Gas Sampling |
Diffusion |
| Response Time |
T90 in 30 seconds |
T90 in 20 seconds
(Alarms within
5 seconds when exposed to 12% O2) |
T90 in 30 seconds |
Accuracy
which ever is greater |
± 5% of reading or ± 5 ppm CO |
± 5% of reading or ± 2 ppm H2S |
± 0.5% O2 |
± 0.5% of reading or ±2% LEL |
| Power Options |
Alkaline dry cell (2-AAA size)
|
Alkaline dry cell (2-AAA size)
Ni-MH battery |
| Continuous Operation |
Alkaline dry cell: more than 3,000 hours
(at 25°C, no backlight) |
Alkaline: 35 hrs
Ni-MH: 30 hrs |
| Safety Rating |
ATEX/IECEx approved. CSA classified, “C/US”, as intrinsically safe, Class I, Division 1, Groups A, B, C, D |
| Dimensions & Weight |
2.1” W x 2.64” H x 0.94” D, (54 x 67 x 24 mm); 2.8 ounces (80 g) |
| Display |
Digital LCD, gas name & concentration, auto backlighting during alarm, operation icon, battery icon |
| Operating Temp. & Humidity |
-4°F ~ 122°F (-20°C ~ 50°C);
Humidity below 90% RH (non-condensing) |
| Standard Accessories |
- Rubber protective boot
- Alligator clip
- Data logging software
- Alkaline batteries
|
| Optional Accessories |
- Calibration adapter
- Charger unit
- Calibration kit
- Belt clip
- Data logging download cable
- Wrist strap
|
| Special Functions |
- Manual backlight for LCD (automatically lit during alarm)
- Peak hold, STEL & TWA
|
| Warranty |
3 Year warranty |
2 Year warranty |