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Products > Environmental Protectionent > Indoor air quality detector > IQ-250 portable formaldehyde detector
Product name : IQ-250 portable formaldehyde detector
Item : 美国IST
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Details:
 IQ-250 portable formaldehyde detector
 
◆ U.S. ISTIQ250 solid state sensor life of 10 years
◆ Digital display of gas concentration
◆ Low and high alarm LED and buzzer
◆ diffusion sampling
◆ U.S. ISTIQ250 portable package washable, easy to clean up pollution
 
  
 
IQ-250 Formaldehyde Detector Technical Specifications:
 
Battery
4'AA 'alkaline or nickel-cadmium batteries
Working Hours
Alkaline batteries 14 hours; nickel-cadmium batteries 8 hours
Sensor Type
Solid-state sensors
Range
15,50,100,500,1000 ppm
Resolution
0.01ppm (0-10ppm); 0.1ppm (10-100ppm); 1ppm (100-1000ppm)
Accuracy
± 5% (all gases and range)
Sampling Method
Diffusion method
Instruction
Low, medium and high alarm LED; "ACTIVE" LED; Battery Low Voltage LED
Show
3 LED
Control
Power - On / Off, acknowledge alarm button
Alarm
With LED indication 2 alarm set point (low and high alarm) and audible alarm
Low Voltage Directive
Continuous sound and LED indication
Fault indication
Continuous sound and "ACTIVE" light goes out
Ambient temperature
Operating temperature -20 ℃ - +50 ℃; Storage temperature -20 ℃ - +60 ℃
Humidity
0-99% RH non-condensing continuous
Shell
Aluminum
Size
158.7 × 76.2 × 55.6 (mm)
Weight
0.62kg (including battery)

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