OPTICAL Humidy Calibrator

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

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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 Range	10 - 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 Element	Removable relative humidity sensor
Reference
Accuracy	Dew Point: ±0.2°C (±0.36°F) Temperature: ±0.1°C (±0.18°F)
Measurement Units	Dew Point: (°C/°F), % RH Temperature: (°C/°F), gm-3, gkg-1, water activity (aW)
Outputs	Analog: 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 Ports	Up to 5 - sensor body diameters 5 to 25mm (0.2 to 0.98") accommodated by port adapters
Chamber Volume	2000cm3 (112.1in3)
Chamber Dimensions	105 x 105 x 160mm (4.13 x 4.13 x 6.3") (h x w x d)
Instrument Dimensions	290 x 520 x 420mm (11.4 x 20.5 x 16.5") (h x w x d)
Set-Point Resolution	0.1 for humidity and temperature
Displays	2 line Vacuum Fluorescent Display
Supply	85 to 264 V AC, 47/63 Hz, 150 V A
Weight	20kg (44lbs)