Máy đo khí CO2 trong không khí RKI RI-85 (0-10,000 ppm)

Detection Principle	Non-Dispersive Infrared Detection (NDIR)
Measuring Gas	Carbon dioxide (CO2) in air
Detection Range	0-10,000 ppm
Resolution	10 ppm/digit from 0-2,000 ppm, 25 ppm/digit from 2,000-5,000 ppm, 50 ppm/digit from 5,000-10,000 ppm
Sampling Method	Sample drawing with internal pump
Repeatability	+ / - 3% F.S. (with constant conditions)
Alarm Display	Audible and visual alarms (non-latching)
Alarm Point	Any one level selection of 1,000 ppm, 5,000 ppm, or OFF
Response Time	Within 15 seconds to 90% response
Operating Temp. & Humidity	-10 ~ 40°C (14 ~ 104°F), below 90%RH
Power Source	AA size Alkaline batteries (4 pcs.)
Continuous Operation	Approx. 12 hours (With no alarm or backlight, with alkaline batteries at room temperature)
Dimension	Approx. 85mm(W) x 190mm(H) x 40(D)mm, 3.5"(W) x 7.8"(H) x 1.6"(D)
Weight	500g, 1.1 lb.
Display	Current reading, Average value, or Peak reading Pushbutton select
Average Value Time	Selected from 1 minute, 3 minutes, or 15 minutes
External Output Signal	0-1v DC linear output
Standard Accessories	Carrying case Spiral tube (1m) Gas sampling probe Absorption tube for zero adjust AA size alkaline batteries Operating manual
Optional Accessories	Gas cylinders for zero and span calibration Sample bag Absorptive agent for zeroing Jack for external output