$316.00
SE
SMART SENSOR AR8500 Ammonia Gas Detector, range 0~100ppm
Ammonia NH30~100ppm
NH3, range 0~100ppm, resolution 0.1ppm, intrinsic error +/- 2%, response time T90 ≤ 120s, recovery time ≤ 120s, alarm mode sound and light

$340.00
SE
SMART SENSOR AR8600L Formaldehyde Detector measurement range 0~5PPM
ElectrochemistryFormaldehyde CH2O0~5ppm
Formaldehyde CH2O, range 0~5ppm, resolution 0.01ppm, Sensors principle electrochemistry, intrinsic error +/- 10%

$280.00
SE
SMART SENSOR AR8200 carbon dioxide Detector measurement range: 350~9999PPM
CO2350~9999ppm
CO2, range 350~9999ppm, resolution 5ppm, intrinsic error +/- (30PPM + 5% reading), response time~ 90s, recovery time < 120s, alarm mode sound and light

$260.00
SE
Smart Sensor ST8100 five-year life oxygen Detector 0~25% VOL
Principles of ElectrochemistryOxygen (O ³)0 ~ 25% VOL
Oxygen range 0~25% VOL, measurement accuracy ± 2% FS, using natural diffusion detection, with high limit and low limit sound, light and alarm.

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