A. GAS SENSORS
The monitor/detector unit includes sensor(s) and controller.
USI's gas sensors offer very sensitive LOW PPM type or
HIGH percent concentration * (% LEL or volume %) type.
*(1% by volume is equivalent to 10,000 PPM)
SPECIFICATIONS
(1) SOLID STATE sensor (PPM)
| Type: |
Solid-State diffusion type |
| Temperature Range: |
-10°F to 140°F (-20°C to 60°C) |
| Humidity Range: |
5 to 95% RH |
| Response Time: |
<15 seconds to 80~90% full scale |
| Recovery Time: |
<40 seconds for 80% full scale return |
| Sensitivity: |
±2% of measure range |
| Accuracy: |
±5% of measure range |
| Warm Up Time: |
4~5 minutes |
| Weight (each remote sensor unit): |
4 lbs. includes sensor housing and 50 feet cable |
| Sensor Life: |
> 3 years at normal operation |
| Warranty: |
1 year (normal operation) |
| Electrical Classification: |
Class I, Division I, Group B, C, D |
(2) CATALYTIC sensor (% LEL)
| Type: |
Catalytic diffusion type |
| Temperature Range: |
-10°F to 150°F (-20°C to 65°C) |
| Humidity Range: |
5 to 95% RH |
| Response Time: |
<20 seconds for 90% full scale |
| Recovery Time: |
<30 seconds for 80% full scale return |
| Accuracy: |
±5% of measure range |
| Sensor Life: |
> 2 years at normal operation |
| Warm Up Time: |
1 minute |
| Warranty: |
1 year (normal operation |
B. LIQUID SENSORS (OPTICAL TYPE, OR FLOAT SWITCH TYPE)
| Detecting Liquid: |
Most liquids |
| |
|
| Response Time: |
< 1 second |
| |
|
Dimensions:
|
2.5"L x 0.6"W x 0.6"D (Optical) (4 conductor)
1.5" (dia.) x 2.5"H (Float switch) (3 conductor) |
| |
|
| Sensor Life: |
> 2 years |
| |
|
| Warranty: |
2 years (normal operation) |
| |
|
Cable Length (maximum):
|
3 or 4 conductor shield cable
AWG #20 - 4500 feet
AWG #22 - 3000 feet
AWG #24 - 2000 feet
AWG #26 - 1500 feet |
|
|
|
|
|
|
|
