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Humidity Validator - Michell HygroCal100

Updated:2023-10-17

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  • Brand: PST/Michell
  • Model: HygroCal100
  • Product description: The HygroCal100 provides a stable test chamber to quickly evaluate the performance of relative humidity sensors across a wide range of 5 to 95% relative humidity.
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Humidity Validator - Michell HygroCal100 Description:

Product Manual Datasheet

Automated Humidity Probe Validation

Features

Truly portable at 3.2kg, and completely self-contained

Intuitive UI makes automating probe verification simple

Integral battery pack means validation can be done without access to services

Validate 7 probes simultaneously

Automated validation procedures for complete hands-off probe verification

Internal calibration correction cycle ensures continued confidence

Optional chilled mirror reference hygrometer, allowing use as a calibrator

Download logged verification data direct to USB memory

The HygroCal100 provides a stable test chamber to quickly evaluate the performance of relative humidity sensors across a wide range of 5 to 95% relative humidity.

Its intuitive 4” touch screen display and interface allows the probes under test to be fully integrated with the chamber and user interface (UI), so up to 7 probes with a variety of diameters and output signals can be powered, monitored and logged simultaneously by one self-contained unit.

The HygroCal100 allows you to automate your calibration procedure with ease and will provide a complete logged output of all probes under test against the reference instrument in csv format, ready to download to your USB memory device.

Coupled with an Optidew 401 chilled mirror hygrometer, the HygroCal100 becomes a powerful transportable calibration facility.

The HygroCal100 can optionally be fitted with a high capacity battery pack, which can power the generator and 7 sensors under test for up to 8 hours. The unit can also run from mains power while charging the battery.

Specifications

Chamber
Generation range 5 to 95% RH
RH stability ±0.5%
RH uniformity ±0.5%
Stabilization time Typically <5 min for full stability from step changes of 10% RH
Control Probe
RH accuracy ±0.8%
Temperature accuracy ±0.2°C
Long term stability ±1% per year
Electrical Specifications
User interface 4.3” color LCD with touchscreen
Interface with probes 24V excitation voltage, accepts signals: 0–20 mA, 4–20 mA, 0–1 V, 0–5 V, 0–10 V
Measurement units %RH, temperature in °C, °F
Displayed resolution 0.1
Data logging 2Gb internal memory available for log files; or 10.6yrs storage at 5s intervals
Battery (optional) 1500 mAh
Power supply 24 V DC (100 to 240 V AC, 50/60 Hz adaptor included)
Mechanical Specifications
Probe ports 8 - port adaptors to accomodate probes of diameters: 12mm, 13.5mm, 14mm, 15mm, 18.5mm, 19mm, 24mm, 25mm
Chamber volume Approx 1050cm3
Maximum probe insertion depth 60mm
Desiccant reservoir capacity 25cm3
Saturator reservoir capacity 25ml
Environmental conditions +5 to +40°C
Dimensions 100 x 250 x 300mm (h x w x d)
Weight 3.2kg

Suitable Applications

On-site or in-lab verifications

Validation of RH probes at pharmaceutical manufacturing facilities

Validation of RH probes at meteorological offices

Validation of RH probes in food manufacturing

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