Description
Overview
GAOTek CO gas leakage alarm – extensive data storage is a smart and high-performance instrument using NDIR measurement. It continuously monitors multiple gases online and features a user-friendly 5-inch (127 mm) touch TFT-LCD screen with an intuitive UI. It can be rack-mounted, desktop, or wall-mounted and includes a built-in filter and regulating valve for easy maintenance. Ideal for 24/7 online monitoring in industrial sites and labs.
Features
- 5-inch (127 mm) touch TFT-LCD screen, on-site maintenance
- Various mounting options for industrial use
- Detailed data display with temp and humidity
- High-res 32-bit microprocessor, calibration
- Supports multiple concentration units
- Optional wireless alarms
- Extensive data storage and transmission options
Technical Specifications
Working Principle | Electrochemical, infrared, TCD, PID and catalytic combustion (optional) |
Detection Range | 0 ppm to 50000 ppm, 0 % LEL to 100 % LEL 0 % VOL to 5 % VOL, 0 % VOL to 100 % VOL |
Resolution | 0.01 ppm to1 ppm, 0.1 % LEL, 0.01 % VOL |
Sampling Method | circulation detection method and pump-suction detection method (air pump is optional) |
Accuracy | ≤ ±3 % F.S. |
Repeatability | ≤ ± 1 % |
Zero Drift | ≤ ± 1 % (F.S./year) |
Response Time | ≤ 25 S (T 90) |
Recovery Time | ≤ 30 S |
Preheat Time | 120 S |
Power Supply | 220 V AC ± 10 %, 50 Hz ± 5 Hz |
Fuse | Rated current: 10 A |
Fuse Size | 0.20 in x 0.79 in (5 mm x 20 mm) |
Intake Airflow | 0.5 L/min to 0.8 L/min (flow fluctuation ≤ 0.02 L/min) |
Body Material | Aluminum and SPCC |
Signal Output | Three-wire 4 mA to 20 mA current signal output |
Alarm Method | External sound and light alarm can be installed and alarm sound < 90 dB |
Alarm Point Setting | A1 alarm value, A2 alarm value; TWA alarm value, and STEL alarm value can be set separately |
Display | 5-inch (12.7 cm) TFT touch LCD color LCD screen, 800 × 480 dot matrix LCD |
Operation Method | Touch screen operation and button auxiliary operation |
Backlight | Manual, Automatic when the alarm is on |
Direct Reading | Measured value, ambient temperature and humidity, date and time, maximum and minimum |
Data Record | Can continuously store 300,000 sets of date and time data, optional micro-TF memory card, can store more than 10 million sets of data |
Data Download | USB or RS232 interface download |
Data Print | Mini portable printer serial port printing (optional) |
Calibration | Full software calibration function for target points from level 2 to level 3, calibration value can be set and one key zero adjustment |
Calibration Standard gas Requirements | Zero-point standard gas: 99.999% N2 (nitrogen), full-scale calibration gas: 85 % to 110 % of the full scale of the gas being measured, the third point of calibration gas: 35% to 75% of the full range of the measured gas |
Protection Class | IP 42 |
Working Pressure | 12.47 PSI to 15.37 PSI (86 kpa to 106 kpa) |
Working Humidity | 10 % RH to 95 % RH (Non-condensing) |
Explosion proof | ExdIICT4 Ga (Intrinsically Safe) |
Working Temperature | -4 °F to 122 °F (-20 ℃ to 50 ℃) |
Dimensions | 18.90 in x 12.20 in x 5.12 in (48 cm × 31 cm × 13 cm) |
Weight | 15.43 lb (7 Kg) |