Humidity Generators & Calibrators.

S-503

 

The S- 503 Humidity Generator is designed to calibrate and verify the operation of relative humidity sensors and transmitters.

• Generates and holds %RH levels
• Fast response: 0.5%RH stability in 10 minutes
• Lightweight & self-contained
• Sample ports for up to seven 0.728" probes or other sizes   simultaneously
• RH selectable from 10 to 90% RH in 0.1%RH steps
• Built-in power supply for transmitters
• ± 2% RH NIST traceable uncertainty
• Displays %RH, for 4 to 20mA / 0 to 5V / 0 to 10V
• 12 Volt dc Supply (110/230 Vac adapter supplied)

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S-904

The S- 904 Humidity and Temperature generator is designed to calibrate and verify the operation of relative humidity sensors and transmitters.

• Select RH levels from 5 to 95% RH
• Accuracy to ± 1% RH, NIST traceable
• LED Display of % RH and Temperature
• Temp set from 10 to 50°C ± 0.1°C
• Response: 2% RH per minute change
• Internal Wet and Dry source
• Computer controlled interface available

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Reference salt solution

  For simple (slow) RH calibrations, reference bottles can be used:

• Low cost
• Simple in use
• for occasional check of humidity sensors.

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