Item # HG-10, HG-10 Automatic Temperature and Humidity Calibration Systems on Michell Instruments, Inc. Michell Instruments, Inc. - Item # HG-10, HG-10 Automatic Temperature and Humidity Calibration Systems
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All Categories > Moisture Calibration Instruments > HG-10 Automatic Temperature and Humidity Calibration Systems > Item # HG-10  
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HG-10 Automatic Temperature and Humidity Calibration Systems
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HG-10 Automatic Temperature and Humidity Calibration Systems

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The HG-10 is a completely automatic temperature and humidity calibration system which can be used to calibrate humidity sensors over a wide range of temperatures and humidities. PC control allows start, end values, ramp speeds and dwell times to be selected following which the system automatically tracks the desired humidity/temperature profile and records the measured and reference values.



Specifications · Reference Hygrometer · Automated Operation

Specifications

Humidity Range

1 to 95% RH (-50 to +50ºC dew point)

Temperature Range

-10 to +50 ºC

Accuracy

± 0.5 % rh - displayed

Inlet Gas Supply

Air 10 L/min @ 0.7 barg max. & 1 ppmV, (-76ºC dew point). Available as an option.

Generated Gas Output

Air 2 L/min. @ 0.5 barg via heat traced line.

Saturator

High efficiency sintered glass

Power Supply

220/240 V, 50 Hz

Maximum Power Consumption

550 V·A

Operating Temperature

+5 to +40 ºC, 10 to 90 % RH.

Generator Enclosure

19" Rack System, 2.1 m high

Chamber Enclosure

Floor standing, 800W x 700D x 1600H mm

Reference Hygrometer
No calibration has validity unless it provides traceability to a recognised Standard. For this reason, the HG-10 includes an S4000 Precision Dew point meter for monitoring precisely the dew point being generated. The S4000 is calibrated in our UKAS laboratory, providing direct traceability to the UK National Standard held by the National Physical Laboratory. We also maintain a traceable path directly to the NIST Humidity Standard in Washington, USA. In addition to providing the calibration traceability required in such a system, the S4000 gives the closed loop control necessary for operating the generator effectively.

Automated Operation
The HG-10 is supplied with a sophisticated yet easy to use control system, developed by our own engineers and drawing on years of experience in the manufacture and use of humidity calibration equipment. The control software, including closed loop control capability, allows the user to set individual fixed humidity and temperature test levels or to set up more complex profile programs for evaluating the performance of humidity sensors over a range of operating conditions. Performance data for the instruments under test can be logged and displayed on the optional data acquisition software that operates alongside the control and profiling package.

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· HG-10 Automatic Temperature and Humidity Calibration Systems Real Time Display

· HG-10 Automatic Temperature and Humidity Calibration Systems Temperature Profiling Facility

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