Chang AI BT200 ເຄື່ອງວິເຄາະໂອໂຊນ

Low-concentration model measurement range:front panel keys can switch between 0–1,0–10, 0–100,0–1000 ppmv,user specified range, dynamic full range

Measuring range of medium-concentration models:the buttons on the front panel can switch between 0-10, 0-100,01000,0-10000 ppmv,user-specified range,dynamic full range; 

Measurement range of high-concentration models:the keys on the front panel can switch between 0–100, 0–1000,0–10000 ppmv,0–20 vol.%,User-specified range, dynamic full range;

Display screen:White text on a blue background,backlit

LCD(2 linesx20 characters),showing concentration,temperature and pressure at the same time

Resolution:0.0001 ppmv@0–1 ppmv,0.001 ppmv@0–10 ppmv,0.01 ppmv@0–100 ppmv,0.1 ppmv@0–1000 ppmv, 1 ppmv@0–10000 ppmv,0.001 vol.%@0–20 vol.%；

Accuracy:the greater of±1% of the reading in the verification range or ± 1% of the full-scale concentration in the verification range (in accordance with ISO/IEC17025 and traceable to NIST SRP # 30);

Warm-up time:<5 minutes

Response time (T95):<30 seconds (low concentration model) or<10 seconds (medium concentration and high concentration model)

Zero drift:automatic zero cleaning

Full-scale drift:±2% of full-scale concentration in the measurement range

Sampling flow:built-in 1.0-1.5 L/min suction pump 

Analog signal output:4–20 mA or 0–10 V

Power:DC 12 V,1.5 A @ AC 100–240 V,50–60Hz

Working environment temperature:0–40°C

Working environment humidity:<90% RH (non-condensing)

Calibration period:1 year