The RH Systems CGS-240 Humidity Generator is a system capable of continuous, high-accuracy humidity generation over a wide range of humidity, temperature, and flow rates.
The CGS-240 design is an RHS hybrid two-pressure two-temperature design based on fundamental NIST developed principles
Factory Tour
| Specifications – CGS-240 | |
|---|---|
| Generating Range | |
| Relative Humidity | 10 … 95 %RH (5 %RH optional) | 
| Dew/Frost Point | -25 … 70 °C DP, -23 … 0 °C FP | 
| Chamber Temperature | -0 … 72 °C (-10 & +85 °C extended ranges optional) | 
| Chamber Pressure | Ambient | 
| Flow Rate | 5 … 20 SLPM (5 … 50 SLPM optional) | 
| Accuracy (0 to 70 °C, 10 to 40 l/min) | |
| Relative Humidity | The larger of ±0.1 %RH or ±0.5% of indicated RH value | 
| Dew/Frost Point | ±0.10 °C | 
| Temperature (TS, TC) | ±0.030 °C | 
| Pressure | ±0.02% of full scale | 
| Chamber Temp Uniformity | <0.035 °C | 
| Flow Rate | ±1 SLPM | 
| Integrated Sensors | |
| Low Range Pressure (PL) | Ambient … 25 psia, ±0.005 psia | 
| High Range Pressure (PH) | Ambient … 150 psia, ±0.030 psia | 
| Saturator Temperature (TS) | -15 … 72 °C, ±0.03 °C | 
| Chamber Temperature (TC) | 0 … 72 °C, ±0.03 °C | 
| Chamber Liquid Temp (TCL) | 0 … 72 °C, ±0.10 °C | 
| Presaturator Temp (TP) | 0 … 75 °C, ±0.10 °C | 
| Flowmeter | 0 … 50 SLPM, ±1 SLPM | 
| Chamber | |
| Dimensions | 15”H x 12”W x 12”D (380 x 300 x 300 mm) | 
| Type | Circulating air-jacket encased within liquid jacket | 
| Adjustable Shelf | Three shelf positions, one shelf supplied | 
| Access Ports | Three 50 mm diameter thermally controlled access ports | 
| Window Size | 14”H x 12”W x 12”D (370 x 300 x 300 mm) | 
| Window Thermal Control | Liquid jacketed, multi-pane, thermally controlled | 
| Chamber Light | Integrated light with on/off touchscreen control | 
| Integrated Control Interface | |
| Operation Software | RHS Control Software | 
| Calibration Software | RHS Plateau Software | 
| Display | 18.5” Multi Touch Monitor with pinch/zoom/drag | 
| Gas Inlet Pressure | |
| Using External Pressure Source | 120 psig max | 
| Using Supplied Air Compressor | 60 … 90 psig @ 20 l/min typical | 
| Environmental Conditions | |
| Operating Environment | 15 … 30 °C, 20 … 60 %RH | 
| Storage Environment | 0 … 50 °C, <95 %RH non-condensing | 
| Power Requirements | |
| Voltage | 208 … 240 VAC, 50/60 Hz, single phase | 
| Current | 20 Amps | 
 
         
                

