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Original factory packaging
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Instrument Expert
Original factory packaging
Service Hotline：
(+86)010-52867771
Updated:2025-03-13
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Product Manual
Drift-Free Humidity Measurement for Industrial Applications
Features
±0.1 °Cdp (±0.18 °Fdp) accuracy
Fundamental, accurate and drift-free measurement
Simple configuration and operation via touch screen interface
Precision measurements to –60 °C (–76°F) dew point
FAST – guaranteed frost formation below 0 °C (+32 °C)
Measure at pressures up to 2 MPa (20 barg)
USB, Ethernet, RS485 or RS232 connectivity
Data logging to SD card or via digital comms
The S8000 precision hygrometer provides a direct measurement of dew point, temperature and pressure. Suitable for both industrial and laboratory applications, the instrument is compact and self-contained.
Dew-point measurement is based on the proven, fundamental optical chilled mirror measurement principle, giving long-term reliable humidity measurement over the entire operating range. The S8000 uses this measurement to offer a range of available measurement units including ppmV, absolute humidity, relative humidity and ppmW.
Specification
| Dew-Point Sensor Performance | ||
| Measurement Technology | Chilled Mirror | |
| Accuracy* | ±0.1°Cdp | |
| Reproducibility | ±0.05°C | |
| Measurement Range | –60 to +40°Cdp (–76 to +104°Fdp) | |
| Operating Pressure |
Low pressure version: 0 to 1 barg / 14.5 psig High pressure version: 0 to 20 barg / 290 psig |
|
| Sample Flow Rate | 0.1 to l Nl/min (0.2 to 2.1 scfh) | |
| Detection System | RRS Triple Detection | |
| Remote PRT Probe (Optional) | ||
| Temperature Measurement | 4 wire Pt100, 1/10 DIN class B | |
| Measurement Accuracy | ±0.1°C | |
| Cable Length | 2m (6.6’) (250m (820’) max) | |
| Flow Sensor | ||
| Measurement Accuracy | Typical ±5% uncalibrated | |
| Measurement Range | 0 to 1000 ml/min | |
| Integrated Pressure Sensor (Optional) | ||
| Measurement Range | 0 to 25 bara (0 to 377 psia) | |
| Measurement Accuracy* | 0.25% Full Scale | |
| Measurement Units | psia, bara, KPa or MPag | |
| Monitor | ||
| Resolution | User-selectable to 0.001 dependant on parameter | |
| Measurement Units | °C and °F for dew point and temperature %RH, g/m3, g/kg, ppmV , ppmW (SF6), for calculated humidities | |
| Outputs |
Analog 3 channels, user selectable 4-20 mA, 0-20 mA or 0-1 V Digital Modbus RTU over USB, and optional Modbus RTU over RS232, RS485 or Modbus TCP over Ethernet Alarm Two volt-free changeover contacts, one process alarm, one fault alarm; 1 A @ 30 V DC |
|
| HMI | 5.7” LCD with touchscreen, white on blue graphics | |
| Data Logging |
SD Card (512Mb supplied) and USB interface SD Card (FAT-16) — 2Gb max. that allows 24 million logs or 560 days, logging at 2 second intervals |
|
| Environmental Conditions | –20 to +40°C (–4 to +104°F) | |
| Power Supply | 85 to 264 V AC, 47/63 Hz | |
| Power Consumption | 100 V A | |
| EMC - Class A Emissions Industrial Location Immunity | Complies with EN61236:1997 (+A1/A2/A3) | |
| Mechanical Specifications | ||
| Dimensions | 187 x 440 x 343mm (7.36 x 17.32 x 13.5”) h x w x d | |
| Weight | 11.4kg (25.1lb) | |
| General | ||
| Process Connections |
6mm Swagelok® (MALE) tube or 1/4” Swagelok® tube (MALE) |
|
| Storage Temperature | –20 to +50°C (–40 to +122°F) | |
| Calibration |
3-point traceable in-house calibration as standard UKAS accredited calibrations optional - please consult Process Sensing Technologies |
|
|
* Measurement accuracy means maximum deviation between instrument under test and corrected reference. To this must be added the uncertainties associated with the calibration system and the environmental conditions during testing or subsequent use. |
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