商品明細

Continuous Formaldehyde Analyzer

AL4021 HCHO Analyzer

Specifications of the instrument

Provides absolute concentrations of formaldehyde for gaseous and liquid samples
Fast and continuous monitoring of HCHO concentration. Time resolution: 90 sec (10% – 90%), delay time ~300 sec
Fully automated operation using an ARM microprocessor, 16bit digitalisation
Semi-automatic calibration by liquid HCHO-standard or automatic calibration using internal HCHO permeation source (optional). Automatic zeroing by internal zero trap
Measurement range is defined by calibration
Detection limit: ~100 ppt (gas), ~150 ng/l eq. 5×10^-9 molar (liquid)
Linearity range: ~100 ppt – 3 ppm (gas), ~150 ng/l – 5 mg/l in liquids
Detection range: ~100 ppt – 50 ppm (gas), ~150 ng/l – 70 mg/l in liquids
Noise: 2% of full scale within linearity range
Dimensions: (19’’) 50cm × 49cm × 13cm. Weight: 20 kg
Power requirement: 110/220 VAC, 50/60 Hz, 110 W
RS232 interface and analog output (optional)
Automatic data storage on USB stick
Free programmable AutoSequences for scheduling calibrations, zeroings, valve switching, etc.
Rugged and easy to use
Simultaneous measurement with up to 16 test chambers using an optional valve controller (AL-V08/AL-V12/AL-V16)