American Huarui PGM-2400 Product Description:
QRAE II is a portable four in one detector that can detect multiple toxic and harmful gases, and can simultaneously detect combustible gases, oxygen, and toxic gases. QRAE II is compatible with both diffusion and pumping modes of operation, suitable for different application scenarios. The instrument is lightweight, easy to operate, and has a built-in Chinese menu, making it more suitable for Chinese users. Humanized flip display design on the screen for easy observation.

One American Huarui PGM-2400 Technical Parameters:
1. Size: 12.6 × 7 × 3.8 cm
2. Weight: 250g diffusion type, 350g pump suction type (including battery)
3. Sampling method: pump suction/diffusion type
4. Shell material: engineering plastic, rubber jacket
5. Protection level: IP65, waterproof, completely dustproof
6. Anti electromagnetic radiation: EMI/RF level: EMC Directive 89/336/EEC
7. Working temperature: -20 ℃~50 ℃
8. Environmental humidity: 0% to 95% relative humidity (without condensation)
9. ATEX certification: EEx ia d IIC T4; UL/cUL/CSA certification: Class I, Division 1, Group A, B, C, D, T4; IECEx certification: IECEx d ia II C T4

10. Display screen: 4-line graphic LCD display with automatic backlight
11. Display language: Chinese/English+symbols
12. Display content: Sensor name (up to four), real-time detection value, highest and lowest values of all detections, TWA/SETL value (excluding oxygen and combustible gas), battery voltage, instrument operating time, data acquisition on/off status
13. Button: 2 operation keys
14. Alarm method: [email protected] buzzer, LED flashing, vibration
15. Alarm signals: high/low concentration alarm, TWA/SETL alarm (excluding oxygen and combustible gas), low battery level alarm, sensor malfunction alarm, pump blockage alarm (pump suction mode)
16. Alarm point setting: separately set high/low alarm limits, TWA/SETL alarm limits (excluding oxygen and combustible gas)
17. Data storage: capable of storing 64000 pieces of data (with a 1-minute interval of 64 hours and 4 channels)
18. Sampling interval: adjustable from 1-3600 seconds
19. Data communication: Connect to a computer through the RS232 interface of the data base for data download
20. Sampling pump flow rate: 250cc/min
21. Battery: 3.7V rechargeable lithium-ion battery, alkaline battery adapter uses 3 AA alkaline batteries
22. Running time: Can work continuously for 10 hours (pump suction mode)/14 hours (diffusion mode) (depending on the working environment and frequency of use)
23. Charging time: 6 hours
24. Calibration method: Zero point/extended calibration
26. Sensor configuration: 1 LEL sensor detects combustible gases, 2 EC sensors detect toxic gases, and 1 SPE sensor detects oxygen
II American Huarui PGM-2400 detailed introduction:
1. Large LCD screen with bilingual menu in Chinese and English
2. Diffuse and pump suction dual-mode operation
3. Large capacity lithium battery with long continuous working time
4. Optional alkaline battery adapter
5. High capacity data collection
6. Multiple ways of sound, light, and vibration alarm, suitable for noisy working environments
7. Wear resistant, waterproof, and stain resistant rubber shell