Michell Instruments

OPTICAL Humidy Calibrator

Stand-alone, transportable calibrator w/ RH & Temp. profiling, features chilled mirror reference hygrometer

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OPTICAL Humidy Calibrator 05648

The OptiCal is a premium calibration solution for humidity sensors. The stand-alone and transportable humidity calibrator requires no external services other than mains power, and features an integrated chilled mirror reference instrument to enable the operator to perform calibrations that are traceable to national standards.

 

• Simple operation and maintenance
• Easy calibration of relative humidity sensors
• Excellent chamber stability and uniformity
• Manual control or optional straightforward automated set point programming
• Humidity and temperature controlled chamber
• Generate 10 to 90% RH over +10 to +50°C temperature
• Built in precision chilled mirror reference instrument
• Transportable to allow on-site calibrations

Humidity
Generated Range10 - 90% RH
Control Element Accuracy≤ ±1% RH (10-70% RH)
≤ ±1.5% RH (70-90% RH)
Stability±0.2% RH (20-80% RH)
Temperature
Generated Range+10 to +50°C (+50 to +122°F)
Accuracy±0.1°C (±0.18°F)
Accuracy±0.1°C (±0.18°F)
Chamber
Ramp Rate +20 to +40°C (+68 to +104°F): 1.5°C / minute (2.7°F / minute)
+40 to +20°C (+104 to +68°F): 0.7°C / minute (1.2°F / minute)
Control ElementRemovable relative humidity sensor
Reference
AccuracyDew Point: ±0.2°C (±0.36°F)
Temperature: ±0.1°C (±0.18°F)
Measurement UnitsDew Point: (°C/°F), % RH
Temperature: (°C/°F), gm-3, gkg-1, water activity (aW)
OutputsAnalog: 4-20 mA or 0-20 mA over user-settable output
Accuracy: ±0.2°C (±3.6°F)
Digital: 500 Ω maximum load resistance
Alarm: RS232 @ 9600 baud rate
Volt free contact, 30 V, 100 mA maximum
General
Probe PortsUp to 5 - sensor body diameters 5 to 25mm (0.2 to 0.98") accommodated by port adapters
Chamber Volume2000cm3 (112.1in3)
Chamber Dimensions105 x 105 x 160mm (4.13 x 4.13 x 6.3") (h x w x d)
Instrument Dimensions290 x 520 x 420mm (11.4 x 20.5 x 16.5") (h x w x d)
Set-Point Resolution0.1 for humidity and temperature
Displays2 line Vacuum Fluorescent Display
Supply85 to 264 V AC, 47/63 Hz, 150 V A
Weight20kg (44lbs)

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