BL781 High Temperature Chilled Mirror Hygrometer (10℃~95℃ dp)

Chilled mirror dew point meter is a precise technique for determining the water vapor content is gases by directly measuring dew point or frost temperatures. Using this technique a metal mirror is cooled until it reaches a temperature at which a thin layer of condensation begins to form on it. The dew layer is detected optically, and the mirror is held at that temperature. The mirror temperature, measures with a PRT, is an accurate indicator of dew or frost point.

FEATURES

• +95℃ ultra high dew point temperature

• ±0.10℃ dew point accuracy

• ±0.01℃ sensitivity and fast response

• Real time curve and data logging

• With multi-points calibration

• Dynamic contamination correction

• Manual forced frost function

• Auto process the super cooled water

APPLICATION

• Reference standard in calibration lab

• Inlet air measurement for engine testing

• Heating ventilation & air conditioning test

• Environment monitoring in clean room

• Wet control for metallurgical processes

• Coating process monitoring in pharmacy

• Reference humidity instruments for climatic and environmental chambers

SPECIFICATION

• Dew point measurement range: (10 to 95) ℃ dp

• Dew point calibration range: (10 to 90) ℃ dp

• Dew point accuracy: ±0.10℃ DP

• Dew point resolution: 0.01℃

• Dew point sensitivity: ±0.01℃

• Dew point reproducibility error: ±0.05℃

• Response: Stable measure at +15°C dp within 1 minute

• Temperature measurement range: (-20 to +150) ℃

• Temperature calibration range:   (-10 to +100) ℃

• Temperature accuracy: ±0.1℃

• Sampling airflow pressure: < 1.5MPa

• Display units: ℃ dp, ℃, %RH, PPMv, L/min

• Mirror temperature sensor: Pt100, AAA (1/10 DIN)

• Mirror Cooling: 3-Stages PELTIER

• External Temperature sensor: Pt100, Class AA (1/3 DIN)

• Cable material: Polyurethane with shielding layer

• Display: 7 inch touch screen

• Digital output: RS232

• Analog output: Optional

• Power supply:100-240VAC

• Ingress protection grade: IP54

• Working condition: -20℃ to +50℃, < 95%RH

• Dimension: W248mm x D240mm x H140mm

• Weight: 3.5 kg

SCOPE OF DELIVERY

• BL781 High temperature chilled mirror hygrometer

• 3-Stage dew point sensor with 2 meters cable

• External temperature sensor with 2 meters cable

• Standard AC Power cord

• Heated hose and steam trap

• Water-proof carrying case

OPTIONAL

• ISO17025 accredited calibration certificate

• Analog output 4-20mA

ORDERING MODEL #

• BL781