Starting at $24,412.50CAD
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Edgetech Instruments

RH-CAL Portable Relative Humidity Calibrator

Microprocessor based, programmable humidity calibration system to be used in the lab or out in the field

Starting at
$24,412.50CAD
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RH CAL Portable Relative Humidity Calibrator 01005
RH CAL with cover 2
RH CAL with probe 2
RH CAL Portable Relative Humidity Calibrator 0ba0d
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

 

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
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:
• Checking Accuracy of Polymer and Metal Oxide Probes
• Environmental Chambers
• Metrology
• NIST Tracible Measurement in Metrology and Calibration Labs
• R&D Test & Measurement
  • Thumbnail of document Data Sheet - RH-CAL Portable Relative Humidity Calibrator
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    Data Sheet - RH-CAL Portable Relative Humidity Calibrator

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