商品明細

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)