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E-mail
dasenhuanbao@163.com
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Phone
1561055873115610558732
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Address
No. 2 Yuantou Road, Licang District, Qingdao City
Qingdao Dasen Environmental Protection Equipment Co., Ltd
dasenhuanbao@163.com
1561055873115610558732
No. 2 Yuantou Road, Licang District, Qingdao City
Product Description: How to Translate
QRAE3The four in one gas detector is a new portable personal four in one gas detector, available in two models: pump suction and diffusion, which can continuously detect oxygen(O2), combustible gas(LELToxic gases include hydrogen sulfide(H2S)Carbon monoxide(CO)Sulfur dioxide(SO2)And hydrogen cyanide(HCN)Conduct testing to provide safety protection for personnel working in hazardous environments. Can be applied in fields such as metallurgy, firefighting, petroleum and petrochemicals.
Technical Specifications:
sensor configuration |
One LEL sensor detects combustible gases, two EC sensors detect toxic gases (H2S, CO, SO2, HCN), and one EC sensor detects oxygen |
sampling method |
Pump suction/diffusion type |
Shell material |
Engineering plastics, rubber jackets |
Protection level |
Pump suction: IP65, diffusion type: IP-67 |
certification |
UL/cUL/CSA:Class I, Division 1, Groups A, B, C, D ATEX:Ex II 2G EEx d ia IIC T4 IECEx:IECEx/ATEX (II 1G Ex ia IIC T4) |
Anti electromagnetic radiation |
EMI/ESD testing: 100MHz~1GHz, no alarm contact: ± 4kV Air: ± 8kV, no alarm |
temperature |
-20℃ ~+50℃ |
humidity |
0%~95% relative humidity (non condensing) |
display screen |
4-line graphic LCD display, screen can be flipped 180 ° for display Display size: 40 × 27mm, with automatic backlight |
display language |
Chinese/English+Symbols |
button |
2 operation keys |
alarm method |
95dB@30cm Buzzer, LED flashing, vibration |
alarm signal |
High/low concentration alarm, TWA/SETL alarm (excluding oxygen and combustible gas), low power alarm, sensor failure alarm, pump blockage alarm (pump suction mode), personnel fall alarm |
Alarm point setting |
Set separate high/low alarm limits, TWA/SETL alarm limits (excluding oxygen and combustible gas) |
data storage |
Sustainable storage of data for 3 months (1-minute interval, 4 sensors) |
sampling interval |
Adjustable from 1 to 3600 seconds |
data communication |
Connect to the computer through the RS232 interface of the data base for data download; |
Calibration method |
Zero/Extended Calibration (Manual Calibration or Automatic Calibration via AutoRAE 2) |
Pump method |
Built in pump suction or diffusion, pump suction can be connected to a sampling probe (up to 30m) |
Pump flow rate |
250cc/min |
battery |
Rechargeable lithium battery, charging time 6 hours |
runtime |
Can work continuously for 11 hours (pump suction mode)/14 hours (diffusion mode) (Depending on the work environment and frequency of use) |
size |
Diffusion type: 140mm × 82mm × 42mm, pump suction type: 145mm × 82mm × 42mm |
weight |
Diffuse 365g, pump suction 410g (including battery) |
Sensor parameters:
Sensor detection range resolution
O2 0~30%VOL 0.1%VOL
LEL 0~100%LEL 1% LEL
CO 0~500ppm 1 ppm
H2S 0~100ppm 0.1 ppm
SO2 0~20ppm 0.1 ppm
HCN 0~50ppm 0.5 ppm
Standard Configuration
• Specify the host and sensor
• Lithium batteries
• 充电器
• Travel charger base and data cable
• Rubber protective cover
Calibration adapter (diffusion type)
• User manual
• Data and software CD
Application fields:
• Petroleum and petrochemical industry
• Firefighting
• Gas
• Metallurgy
• Emergency rescue
• Municipal Administration
• Coking
• Aviation industry
• Port
• Closed space detection
• Chemical industry