RH-CAL Portable Relative Humidity Calibrator
Microprocessor based, programmable humidity calibration system to be used in the lab or out in the field
The RH CAL is a programmable humidity calibration system that is at home in the metrology lab or in the field, performing on-site, NIST traceable humidity calibrations. The system provides very high accuracy for both relative humidity and temperature. Unlike other calibration systems, the RH CAL does not need compressed air or a water connection to operate, which allows the system to be truly portable.
With the RH CAL, temperature and relative humidity are controlled independently. The user is not limited to performing calibrations at the surrounding ambient temperature, which may not be appropriate for his unique calibration protocol. Using Edgetech Instruments’ chilled mirror, primary method dew/frost point measurement technique for traceability and feedback control, RH CAL is a laboratory grade, standalone, portable humidity calibration system.
• Based on Edgetech Instruments field proven chilled mirror sensor technology
• A completely self-sufficient and portable humidity calibration system
• Temperature and relative humidity controlled independently for custom humidity generation
• High accuracy relative humidity and temperature control
• Automatic correction for sensor mirror contaminants
• Certified against NIST traceable standards in an ISO/IEC 17025 accredited laboratory
| Measurement Performance: | |
| Temperature and RH Ranges: | RH: 5 to 95% AT: 10 to 50°C Dew/Frost Point: -40 to 60°C, D2 sensor |
| Accuracy: | RH: ±0.5% AT: ±0.2°C Dew/Frost Point: ±0.2°C nominal |
| Dew/Frost Point and Temperature Sensors: | 3-wire Platinum Resistance Thermometer(PRT) 100 ohms at 0°C, nominal |
| Depression: | 60°C (113°F), nominal, D2 sensor |
| Slew Rate: | 1.0°C (1.8°F) / second max., above 0°C |
| Repeatability: | ±0.05°C |
| Hysteresis: | Negligible |
| Functionality: | |
| Power Requirements: | 100 to 240 VAC, 50-60 Hz 150 Watts Maximum |
| Sample Flow Rate: | 1 liter / minute (2.0 SCFH) |
| Operating Temperature: | Control Unit: 0 to +50°C (+32 to +122°F) |
| Outputs: | Analog (0-5VDC or 4-20mA) and RS232C serial port |
| Packaging: | |
| Display: | Multi-Line Graphical LCD Display |
| Weight: | 15.4kg (34 pounds) |
| Dimensions: | 52.4cm(W) x 43.7cm(D) x 21.7cm(H) |
| Sensor Materials: | Chromium, glass, epoxy, anodized aluminum |
| Enclosure: | Ultra high-impact structural copolymer carrying case |
• Checking Accuracy of Polymer and Metal Oxide Probes
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• NIST Tracible Measurement in Metrology and Calibration Labs
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Item
Description
Availability
Price
Accessories
Spare desiccant canister filled with DrieRite
Normally ships in 3-4 Weeks
$752.00 CAD
DrieRite 1 or 5 LB jar
Normally ships in 3-4 Weeks
Starting At
$186.00 CAD
$186.00 CAD
Replacement humidity generator seals, red, seals the SS tube during transportation
Normally ships in 3-4 Weeks
$101.00 CAD
Covers
Blank chamber cover, for use with data loggers or other completely immersed
Normally ships in 3-4 Weeks
$388.00 CAD
Wall mount humidity transmitter chamber cover, insulated
Normally ships in 3-4 Weeks
$388.00 CAD
Probes
Standard humidity probe - chamber cover insulated
Normally ships in 3-4 Weeks
$852.00 CAD
Edgetech instruments D- probe (chamber cover,insulated)
Normally ships in 3-4 Weeks
$852.00 CAD
Transport
Foam lined rugged plastic shipping case
Normally ships in 3-4 Weeks
$1,410.00 CAD
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