| Item | Value |
|---|---|
| Measured gases | |
| Measuring range | |
| Detection principle | electrochemical |
| Accuracy | |
| Resolution | |
| Response time | |
| Ingress protection | IP65, waterproof, and completely dustproof |
| Explosion protection | |
| Operating temperature | -20℃ ～ 50℃ |
| Power supply | 3.7V rechargeable lithium-ion battery, alkaline battery adapter uses 3 AA alkaline batteries |
| Output signal |
QRAE II 4-in-1 gas detector PGM-2400 adopts a large LCD screen, bilingual menus in Chinese and English, diffusion and pump dual-mode operation, large-capacity lithium battery, and long continuous working time.
• Large LCD screen, bilingual menu in Chinese and English
• Diffusion and pump suction dual-mode operation
• Large capacity lithium battery for long continuous working time
• Optional alkaline battery adapter
• High-volume data acquisition
• Sound, light and vibration alarms in various ways, suitable for noisy working environments
• Abrasion-resistant, waterproof, and stain-resistant rubber housing
Dimensions: 12.6×7×3.8 cm
Weight: Diffusion type 250g, pump suction type 350g (including battery)
Sampling method: pump suction type/diffusion type
Shell material: engineering plastic, rubber jacket
Ingress protection: IP65, waterproof, completely dustproof
Resistance to electromagnetic radiation: EMI/RF rating: EMC Directive 89/336/EEC
Operating temperature:-20℃ ～ 50℃
Ambient Humidity: 0% ~ 95% Relative Humidity (Non-Condensing)
ATEX certified: 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
Display: 4-line graphic LCD display with automatic backlight
Display language: Chinese/English + symbols
Display Value: Sensor name (up to four), real-time detection value, highest and lowest values for all detections, TWA/STEL value (except oxygen and flammable gas), battery voltage, instrument running time, data acquisition on/off status
Keys: 2 operation keys
Alarm style: 95dB@30cm buzzer, LED flashing, vibration
Alarm signals: high/low concentration alarm, TWA/STEL alarm (except oxygen and flammable gas), low battery alarm, sensor failure alarm, pump blockage alarm (pump suction mode)
Alarm point setting: Set high/low alarm limits and TWA/STEL alarm limits separately (except oxygen and flammable gas)
Data storage: 64,000 data can be stored (1 minute interval 64 hours, 4 channels)
Sampling interval: 1-3600 seconds adjustable
Data communication: Data download through the RS232 interface of the data base and connection with the computer
Sampling pump flow rate: 250cc/min
Battery: 3.7V rechargeable lithium-ion battery, alkaline battery adapter uses 3 AA alkaline batteries
Operating time: 10 hours continuous (pump mode) / 14 hours (diffusion mode) (depending on working environment and frequency of use)
Charging time: 6 hours
Calibration method: zero/extended calibration
Sensor configuration: 1 LEL sensor detects flammable gas, 2 EC sensors detect toxic gas, and 1 SPE sensor detects oxygen
Sensor Parameters:
Sensor Detection Range Resolution Response time (T90 seconds)
————————————————————————
O2 0-30%VOL 0.1% 15
LEL 0-100%LEL 1% 15
CO 0-1000ppm 1ppm 25
H2S 0-100ppm 1ppm 25
H2S* 0-1000ppm 1ppm 30
SO2* 0-20ppm 0.1ppm 15
It is suitable for industrial safety monitoring and on-site inspection scenarios.