PRODUCTS

CR-1A CRYOGENIC HYGROMETER

Fast, Accurate Measurements to -120 °C. Suitable for laboratory use, calibrations and spot checks.

CR-2 AIRCRAFT HYGROMETER

Our flagship product. For use in aircraft and military applications.

CR-3 CRYOGENIC HYGROMETER

CR-2 Convenience for Continuous-Use Applications. Suitable for toxic and corrosive gases, such as Arsine, Phosphine, HCl and HBr.

CR-4 CHILLED MIRROR HYGROMETER

Portable, 3-stage TE cooler for measurements to -60°C

UHQ-4P HYGROMETER

Portable high-temperature hygrometer for measurements to 150 °C.

CR-5 HYGROMETER

Separate sensor and transmitter with 3-stage TE cooler for measurements to -60 °C

1011C AIRCRAFT HYGROMETER

The Best Conventional Aircraft Hygrometer

VAPORTRON®

H-100BL/H-100CL Humidity calibration chamber

VAPORPAK®

Portable humidity calibration chamber

CR-4 CHILLED MIRROR HYGROMETER

DATA SHEET and USERS MANUAL

CR-4 front view

The CR-4 is a chilled mirror hygrometer that uses a 3-stage thermoelectric cooler (TEC) to enable frost point measurements of as low as – 60°C, under favorable ambient conditions. Depending upon ambient temperature, it can measure dew points as high as 60°C.

CR-4 Specifications:

3 Stage TE Cooler

Dew/Frost Range: – 60 to 60°C*

90°C Depression

Resolution: 0.01°C

Accuracy: ±0.1°C

Sample Flow Rate: 0.25 to 3 liters/min

Sample Pressure: 0 to 150 psia

0 to 10v and 4-20 mA Scaleable Analog Output

RS232 Serial I/O

Dimensions: 8x10x10 inches

Power Requirement: 24vdc @ 3 amps or 110 – 240 vac @ 50 – 400Hz 9 Ah Batteries optional

*Dependent upon ambient temperature