Gas Detector Alarm Unit For Single Point Monitoring
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| Model | TA-480 | |
|---|---|---|
| Measuring Gas | See below "Measuring Gas & Range" | |
| Detection Principle | Chronoamperometry method | |
| Measuring Range | See below "Measuring Gas & Range" | |
| Display Method | 3-digit LED digital | |
| Alarm Method | Red LED lights intermittently and buzzer sounds intermittently | |
| Alarm Setting | See below "Measuring Gas & Range" (Adjustable) | |
| Failure display | Red LED lights intermittently and buzzer sounds intermittently | |
| Power Source | AC100V±10V, 50/60Hz (AC220V as extra option) | |
| Alarm contact output | 1a or 1b contact, AC125V, 0.6A (Resistance load) | |
| Analog output | 4 - 20mA (linear) | |
| Detection Point | 1 point | |
| Operating Temperature Range | Temperature: -10 - 40℃ | |
| Installation | Wall mount type (Panel mount type is optional) | |
| Dimensions | 120(W)×205(H)×69(D)mm | |
| Weight | 0.9kg | |
| Measuring Gas | Carbon Monoxide (CO) | Hydrogen Sulphide (H2S) |
Ammonia (NH3) |
|---|---|---|---|
| Measuring Range | 0-300ppm | 0.0-50.0ppm | 0-100ppm |
| The Lowest Indication | 1ppm | 0.1ppm | 1ppm |
| Default Alarm Setting | 50ppm | 10.0ppm | 25ppm |
| Alarm Accuracy | Within +/-30% of the setting value (over a range of 50ppm) | Within +/-3.0ppm of the setting value | Within +/-30% of the setting value (over a range of 25ppm) |
| Conformity Detector Heads | TH-D4E | TH-D4E | TH-D4E |
| Measuring Gas | Silane (SiH4) |
Phosphine (PH3) |
|
| Measuring Range | 0.0 | 0.00 | |
| The Lowest Indication | 0.1ppm | 0.01ppm | |
| Default Alarm Setting | 10.0ppm | 0.30ppm | |
| Alarm Accuracy | Within +/-30% of the setting value (over a range of 5.0ppm) | Within +/-30% of the setting value (over a range of 0.3ppm) | |
| Conformity Detector Heads | TH-S3 | TH-S3 |
