Description
Overview
GAOTek CO Gas Leakage Alarm 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
- Download and print data via USB/RS232
Technical Specifications
Working Principle | Electrochemical, infrared, TCD, PID, catalytic combustion(optional) |
Detection Range | 0 ppm to 1ppm, 0 ppm to 10 ppm, 0 ppm to 50 ppm, 0 ppm to 100 ppm, 0 ppm to 200 ppm, 0 ppm to 500 ppm, 0 ppm to 1000 ppm, 0 ppm to 2000 ppm, 0 ppm to 5000 ppm, 0 ppm to 10000 ppm, 0 ppm to 50000 ppm0% LEL to 100% LEL 0% VOL to 5% VOL, 0% VOL to 10% VOL, 0% VOL to 30% VOL, 0% VOL to 50% VOL, 0% VOL to 100% VOL |
Resolution | 0.01ppm (0 ppm to 100 ppm); 0.1ppm (0 ppm to 1000 ppm); 1ppm (>1000 ppm); 0.1% LEL; 0.01% VOL |
Sampling Method | Circulation type——online continuous detection, circulation detection methodPump suction type-equipped with built-in or external air pump to realize 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 VAC±10%;50 Hz ±5 Hz |
Fuse | Rated current: 10 AÂ 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, SPCC |
Signal Output | Three-wire 4 mA to 20 mA current signal output |
Alarm Method | External sound and light alarm can be installed, 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 (127 mm) TFT touch LCD color LCD screen, 800 × 480 dot matrix LCD |
Operation Method | Touch screen operation + button auxiliary operation |
Backlight | Manual, automatic when the alarm |
Direct Reading | Measured value, ambient temperature and humidity, date and time, maximum and minimum |
Data Record | Automatic storage of data, 1 sensor to 6 sensor storage intervals can be customized, 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, 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 Temperature | -40  to 158  (-40 ℃ to 70 ℃) (If matches with high-temperature sample handles can measure up to1472  ( 800℃) |
Working Humidity | 10% RH to 95% RH (Non-condensing) |
Dimensions | Standard 19-inch (482.6 mm), 18.90 in x 12.20 in x 5.12 in (480 mm × 310 mm × 130 mm) |
Weight | 15.43 lb (7 Kg) |