GEO Model 2000 SP Humidity Generator

The Model 2000 SP is a lightweight, highly accurate, portable humidity calibrator.


  • 3-5 minute response times
  • Custom chamber expansions
  • Windows calibration software
  • Option for external reference
  • Automatic ramp/soak
  • Spill resistant

Full Specifications

Accuracies Temperature ± 0.1°C or better
  Humidity @ 23°C 5-80%RH ± 1.0% RH or better
80-95%RH ± 1.25%RH or better
Resolution Temperature 0.1°C
  Humidity 0.1%RH
Stability Temperature ±0.1°C
  Humidity ±0.3%RH or better
Uniformity Temperature ±0.1°C
  Humidity ±0.2%RH @ 5% to 50%RH
±0.3%RH @ 50% to 90%RH
±0.4%RH @ 90% to 96%RH
Controlled Range Temperature 10-55°C
  Humidity @23°C 5% to 95% RH
  Humidity @30°C 5% to 90% RH
  Humidity @35°C 5% to 85% RH
  Humidity @40°C 5% to 80% RH
  Humidity @50°C 5% to 70% RH
Dew Point Range   -25°C to 45°C
Calibration System Accuracy RH and Temp ± 0.5% RH and ± 0.1° C
  Controller Type PID Controller
Chamber Probe Temp Compensated Temperature -40°C to 60°C 
  Humidity 0% to 100%
System Performance Verification   2-pressure method/reference compare
Calibration Certification   Traceable to NIST
Temperature Change Rate Cooling 1.5°C / Minute (Typical)
  Heating 5°C / Minute (Typical)
Interface with Host Computer   USB (USB to USB cable included)
Display/Keyboard Features   Customized PID Controller, Front Panel
Interface and LCD display
Software/Drivers   User friendly software included, free of charge. Upgrades include database management, and customer probe history logs for future reference.
Power Requirements   Universal 110/220VAC, 50/60 Hz
Weight   Weight 28 lbs (14kg) 
Weight 32 lbs (16kg) (shipping)
Outside Dimensions   45cm x 36cm x 21cm
Dew Point Range   -25°C to 45°C
Internal Chamber Dimensions   200mm (depth) x 145mm (diameter)
Standard Calibration Doors   Port sizes 12.5mm, 19mm and 25mm
Custom Calibration Doors Available   Port sizes from 6mm to 32mm
Power Supply   12V DC @ 1A (Power Supply for Calibrating Probes)
Response Time Temperature 5 minutes (typical steps)
  Humidity 10 minutes (typical over range)

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