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Humilab

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The Humilab Humidity Control Chamber is a NIST traceable relative humidity calibration system that is monitored and precision controlled by a primary chilled mirror hygrometer and RTD temperature sensor.

stability and facilitates cost-effective calibrations of relative humidity sensors, probes, transmitters, recorders and data loggers.

Features

  • Primary Standard: Integrated Chilled Mirror & Platinum RTD Constantly Measure Test Conditions
  • Precise: ±0.2% RH Stability
  • Accurate: ±1% RH from 10-70% RH & ±1.5% RH from 70-90% RH
  • Versatile: 10 to 90% RH & 20 to 30ºC
  • Self-Contained Operation: Equipped with Desiccant and Water Reservoir
  • Connects to External Temperature Bath/Circulator to Standardize Test Conditions
  • Connects to External Dry Compressed Air to Extend Desiccant Life Indefinitely
  • Record & Document: 0 to 5 VDC, 4 to 20mA Analog Outputs & RS-232 Digital Data Stream
  • Fast Response: 10 Minutes for 63% Step Change & 30 Minutes to Full Stability
  • Quality Design: Stainless Steel Chamber
  • Instant on Fittings for External Dry Air, Circulation of Temperature Controlled Water & Reservoir Drain
  • Cost Effective: Ability to Calibrate Several % RH Instruments at Once
  • Ease of Operation: Set to Value You Need by the Front Panel or via PROSTEP Software for Ramp & Soak Profiles
  • Bright Easy to Read Control Panel Transportable: Carrying Case Supplied

Applications

  • Calibration Labs
  • HVAC & BAS Transmitters
  • Pharmaceutical Instruments
  • % RH Data Loggers
  • % RH Recorders
  • Industrial Humidity Probes
  • Test Humidity Sensors
  • Metrological & RadioSonde Sensors

Specifications

%RH Range 10% to 90% RH at 77°F (25°C)
Temperature Range 60°F to 86°F (20°C to 30°C)
May be used with temperature controlled water bath/circulator. Humidity limited by surface temperature of internal walls and cover (dew point in chamber must be less than interior surface temperature to avoid condensation).
Response Time 10 minutes for 63% step change. 30 to 40 minutes to full
stability.
Accuracy ±1% RH from 10% to 70% RH and 1.5% RH from 70% to 90% RH
±0.3°F (0.15°C) dew point and 0.3°F (0.15°C) dry bulb at 77°F (25°C)
Analog Output Two user-scalable 4 to 20 mA/0 to 5 VDC signals for temperature, humidity and temperature
Power 115 or 230 VAC ±10%, 50/60 Hz. Single phase
Digital Interface (2) RS232 ports. Reference and generator interface
Prostep Software Windows® 95/98 and above required. Supplied on CD-ROM with operation manual (PDF), and HCON
Humidity Conversion Software
Approvals CE approved
Certifications Supplied certificate of NIST traceability and functional test data
Display (3) LEDs, 0.5 in (12.7 mm) high 7 segment. Displays of set point (%RH), actual %RH and temperature. 0.1% RH/°C/°F resolution
Workspace Dimensions 11 in x 9 in x 6.5 in (279.4 mm x 228.6 mm x 165.1 mm)
approximately 644 in3 (10.6 liters)
Overall Dimensions 23 in long x 19 in wide x 13 in high
(548.2 mm x 482.6 mm x 330.2 mm)
Chamber Material Stainless steel with aluminum I/O block
Water Jacket Stainless steel. Water capacity 2.2 gallons (8.3 liters)
Mechanical I/Os Fill port. 1/4 in (6.35 mm) OD tubing instant-on fittings for water circulation (inlet and outlet), water drain (enables water to be gravity drained) and dry air inlet (compressed dry air to be regulated to <5 psi)
Weight 66 lbs (30 kg) dry weight

Download



Descriptions English Português
Humilab Operating Manual acrobat-reader
Humilab Relative Humidity Generator and Calibration Chamber acrobat-reader
Humilab Relative Humidity Generator Operator's Manual acrobat-reader
Humliab Gerador de Umidade Relativa e Camara de Calibracao acrobat-reader


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