- Brand: Michell Instruments
Tags: S904, Humidity, Calibrator, Michell, Instruments
The S904 is a completely stand-alone and transportable humidity
calibrator, requiring no external services other
than mains power. 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.
Product 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 (+50 to +122°F) temperature
- Transportable to allow on-site calibrations
Technical 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 (+50 to +122°F) (Lowest T set point = 10°C (18°F) below ambient) |
| Accuracy | ±0.1°C (±0.2°F) |
| Stability | ±0.1°C (±0.2°F) |
| Chamber | |
| Ramp Rate from +20 to +40°C (+68 to +104°F) +40 to +20°C (+104 to +68°F) |
1.5°C/minute (2.7°F / minute) 0.7°C minute (1.2°F / minute) |
| Control Element | Removable relative humidity sensor |
| General | |
| Probe Ports | up to 5 – sensor body diameters 5 to 25mm (0.2 to 0.98") accommodated by port adapters |
| Chamber Volume | 2000cm³ (122.1in³) |
| Chamber Dimensions | 105 x 105 x 160mm (4.13 x 4.13 x 6.3") (h x w x d) |
| Instrument Dimensions | 290 x 520 x 420mm (11.4 x 20.5 x 16.5") (h x w x d) |
| Set Point Resolution | 0.1 for humidity and temperature |
| Displays | 3 digit LED, 10mm (0.39") characters |
| Supply | 85 to 264 V AC, 47/63 Hz, 150 V A |
| Weight | 20kg (44lbs) |
|
|
