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.

• 3 Stage TE Cooler

• Dew/Frost Range: – 60 to 60°C*

• 95°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