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Psychrometer, Model 5A-1MP buy in AlbuQuerQue
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Psychrometer, Model 5A-1MP

Psychrometer, Model 5A-1MP

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USA, AlbuQuerQue
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Traceable to NIST
Direct NIST Certification Available
Guaranteed ±1% Uncertainty *; ±0.5% Typical *
1 to 100% RH Operating Range
0 to 100 °C Temperature Range
Superior to all Hygrometers Near Saturation
Easily Used, Maintained and Calibrated
Programmable Sample Interval
RS-232 and IEEE 488 Interface
No Measurement Hysteresis
Displays Relative Humidity and Dew Point
Not Susceptible to Contamination
Psychrometer Log™ Automation Software


The Model 5A-1MP Laboratory Reference Psychrometer provides extremely accurate measurements of relative humidity, dew point, and air temperature. The 5A-1MP is portable, needs no special installation, is simple to use, reliable, and requires very little service to maintain its high accuracy over a long period of time. When properly maintained and utilized, the psychrometer's accuracy can exceed that of any other type of hygrometer in most humidity measuring situations. The 5A-1MP attains its highest accuracy and is superior to all other hygrometers near saturation.

The 5A-1MP Laboratory Reference Psychrometer may be used for quick and easy measurements in environmentally controlled rooms, environmental test chambers, and manufacturing areas where humidity sensitive products and materials are produced, etc.. It may be used to measure the atmospheres directly or used to test the humidity monitoring instrumentation controlling these areas.

The 5A-1MP probe can be placed directly into the environments to be measured without any special preparation. Measurements at high relative humidities (dew points) and at high temperatures can be made quickly and easily as the psychrometer does not require a special heated sampling system.

To operate the instrument, simply fill the probe's water reservoir, connect the cable, and apply power to the instrument. When the probe's aspirator is enabled, the psychrometer will indicate an accurate relative humidity, dew point, and temperature within 60 seconds.

Printer output is user programmable from one minute to 24 hour print intervals. In the Auto Mode, the probe aspirator will automatically run prior to a sample printout. After printout, the aspirator is disabled until the next sample period is reached. Bi-directional RS-232 and IEEE 488 communication allow remote operation and data retrieval.

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Psychrometer, Model 5A-1MP
Psychrometer, Model 5A-1MP
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