AMT75
เครื่องวัดและควบคุมก๊าซคาร์บอนไดออกไซด์ แบบติดผนัง พร้อมจอภาพ Wall Mount CO2 Temperature Monitor & Controller AMT75 (Main Unit) & AMT75R (Remote Unit)
เครื่องวัดและควบคุมก๊าซคาร์บอนไดออกไซด์ รุ่น AMT75
(Main Unit) & AMT75R (Remote Unit)
Wall Mount CO2 Temperature Monitor & Controller AMT75 (Main Unit) & AMT75R (Remote Unit)
Features:
- Dual Beam NDIR (Non-Dispersive Infrared) technology is used to measure CO2 concentration up to 50,000ppm.
- With the SEU (Sensor Unit, Order Number AMT75) and RDU (Remote Display Unit, Order Number AMT75R), it can connect up to 3 RDU for safety notices.
- Large digital LCD display clearly indicates the ambient CO2 Concentration and Temperature.
- Relay output can automatically control a fan to ventilate confined spaces.
- Audible and visual alarm indications.
- IP54 Water Proof Protection of SEU (Sensor Unit) except backside when installed on the wall.
Installation Instruction
Specifications – CO2:
|
Measurement Range |
0~50,000ppm (5%) display |
| Display Resolution | 10ppm @0~10,000ppm, 100ppm @10,001ppm~50,000ppm |
| Accuracy | ±100ppm or ±5% of reading, whichever is greater |
|
Repeatability |
±20ppm @400ppm |
| Annual Drift | <20ppm/Year @400ppm |
|
Temperature Dependence |
±0.2% of reading per °C or ±2ppm per °C, whichever is greater, referenced to 25°C |
|
Pressure Dependence
|
0.13% of reading per mmHg |
|
Response Time |
|
| AL1 (First Alarm Level) | 5000ppm, 1 / 1.5 / 2 % , Default AL1= 1.5% |
| AL2 (Second Alarm Level) | 1.5 / 2 / 2.5/ 3 / 3.5 / 4 %, Default AL2= 3% |
|
Warm-Up Time |
|
|
Sound Alarm
|
80db@10cm |
Specifications – Power Supply & Relay Output
|
Power Supply |
AC adapter 110/220 VAC | |
|
AC Input |
Voltage | 100 ~ 240 VAC |
| Frequency | 50 / 60 Hz | |
| Power Requirement | 1 W maximum @ 115 VAC 60 Hz; 2 W maximum @ 230 VAC 50 Hz | |
|
AC/DC Output |
Voltage | 6VDC |
| Power | 3.0 W | |
|
Peak Input Current |
0.5 A from 6VDC | |
|
Relay Output |
30VDC or 250VAC, max 2A, SPST, Normally Open | |
Specifications – Temperature
- Temperature Range: 0°C to 50°C ( 32°F to 122°F)
- Display Resolution: 0.1°C (0.1°F)
- Display Options: °C / °F
- Accuracy: ±1°C(±2°F) when CO2 concentration is below first alarm level
- Response Time: 20-30 minutes (case must equalize with environment)
Operating Conditions:
- Operating Temperature: 0°C to 40°C (32°F to 104°F), 0-95% RH, non-condensing
- Storage Temperature: -20 to 60°C (-4 to 140°F)
Dimensions:
- AMT75: 124.8 x 167.7 x 46.57mm (4.91 x 6.6 x 1.83 inch)
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