Model 473-SH2

Perfect FOR CLIMATE CHAMBERS

Cost-Effective Humidity & Temperature Reference Hygrometer 

The MBW CALIBRATION™ MODEL 473-SH2™ Dew Point Chilled Mirror Analyzer with a cable mounted measuring head with an integrated sample flow control fan delivers fast, high precision temperature measurement.  It is ideal for use in climatic chambers or humidity generators where it functions as a calibration transfer standard for dew/frost point, relative humidity, and temperature.  The 473-SH2 includes precise measurement of temperature with a 2 x 100 mm platinum resistance thermometer (PRT) that can be connected directly to the SH2 measuring head, or to the MODEL 473 display.

  • Cable mounted dew point mirror
  • Sample gas flow fan
  • Integrated temperature probe
  • User replaceable optical components
  • Easy mirror access for cleaning
  • Optional barometric pressure measurement

Measuring Ranges

  • Frost/Dew Point -20…+70 °C
  • Relative humidity 5…99 %rh *
  • Temperature -50…+100 °C **

Accuracy

  • Frost/Dew point ≤ ± 0.1 °C
    Temperature ≤ ± 0.07 °C

Reproducibility

  • Frost/Dew point ≤ ± 0.05 °C
    Temperature ≤ ± 0.03 °C
  • * Please note the operating conditions: The measuring head as well as the connectors must be operated under non-condensing conditions.
  • ** The maximum temperature of the SH2 measuring head is 80°C, so to measure temperature up to 100 °C requires the temperature probe to be cable mounted.
  • In combination with the T12 multi-channel thermometer, the MODEL 473 is particularly well suited to climatic chamber validation projects.

APPLICATIONS

  • Climatic chamber validation
  • RH generator transfer standard
  • Calibration reference
  • Engine Test Cells
  • Process validation

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Measuring Head SH2 Part No. 105001

The SH2 is a flow-through dew point measuring head with a two-stage Peltier element for mirror temperature control. It includes a variable speed fan that maintains a consistent airflow across the mirror. Alternatively, with the fan removed, the SH2 head can also connect to applications using tubing and standard 6 mm or ¼” fittings. It is also supplied with a calibrated temperature probe with 0.5 m and 3 m cables for connection to either the measuring head or the 473 back panel.

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Process Insights_MBW Model 473-SH2-Head-Grouping

OUR CHILLED MIRROR SOLUTIONS FOR HUMIDITY MEASUREMENT

MODEL 473-RP2™

MBW CALIBRATION™ Dew Point Chilled Mirror for Direct Insertion into Test Conditions with Moving Air
Process Insights MBW Model 473-RP2-2020

MODEL 473-SHX ™

MBW CALIBRATION™ Dew Point Chilled Mirror for High Temperature Applications up to 125°C
Process Insights MBW Model 473-SHX-2020

MODEL 373™

MBW CALIBRATION™ Humidity & Temperature Reference Dew Point Chilled Mirror up to 125°C
Process Insights_mbw 373 chilled mirror hygrometer

MODEL 473™

MBW CALIBRATION™ Humidity & Temperature Reference Dew Point Chilled Mirror up to 125°C
Process Insights MBW Model 473-RP2-2020

MODEL 573™

MBW CALIBRATION™ Dew Point Chilled Mirror for Fixed Industrial Installations & Measures Above Ambient Temperature
Process Insights_MBW Model 573_chilled mirror hygrometer

MODEL 973-sf6™

MBW CALIBRATION™ Portable Dew Point Chilled Mirror for Measuring Dew/frost Point (SF6 & SO2)
Process Insights_MBW Model 973S_chilled mirror hygrometer

T12 Thermometer

MBW CALIBRATION™ Multi-Channel Stable Platinum Resistance Thermometer (PRT)
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TempControl™ Software

Mirror Temperature Software
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