Updated:2023-10-17
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Stand-Alone Instrument for On-Site Humidity Validation
Features
Simple operation and maintenance
Easy calibration of relative humidity sensors
Excellent chamber stability and uniformity
Manual control or optional straightforward automated set point programming
Optional in-built data-logging for reference probe and probes under calibration
Humidity and temperature-controlled chamber
Generate 10 to 90% RH over +10 to +50°C temperature
Transportable to allow on-site calibrations
The S904 is a stand-alone and transportable humidity calibrator which is easy to use and maintain. The calibration chamber features 5 interchangeable ports to accommodate virtually any brand, type or model of humidity sensor. This calibrator is ideal for companies or organizations looking to calibrate large numbers of probes in a laboratory or field setting.
Specifications
Humidity | |
Generation Range | 10-90% RH |
Accuracy Control Element |
≤±1% RH (10–70% RH) ≤±1.5% RH (70–90% RH) |
Stability | ±0.2% RH (20–80% RH) |
Temperature | |
Generation Range |
+10 to +50°C (Lowest T set point = 10°C below ambient) |
Accuracy | ±0.1°C |
Stability | ±0.1°C |
Chamber | |
Ramp Rate from +20 to +40°C +40 to +20°C |
1.5°C/minute 0.7°C minute |
Control Element | Removable relative humidity sensor |
General | |
Probe Ports | up to 5 – sensor body diameters 5 to 25mm accommodated by port adapters |
Chamber Volume | 2000cm³ |
Chamber Dimensions | 105 x 105 x 160mm (h x w x d) |
Instrument Dimensions | 290 x 520 x 420mm (h x w x d) |
Set Point Resolution | 0.1 for humidity and temperature |
Displays | 3 digit LED, 10mm characters |
Supply | 85 to 264 V AC, 47/63 Hz, 150 VA |
Weight | 20kg |
Suitable Applications
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