Instrument Expert
Original factory packaging
Service Hotline：
(+86)010-52867771
Instrument Expert
Original factory packaging
Service Hotline：
(+86)010-52867771
Updated:2025-03-13
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Product Manual
Drift-Free Readings of Dew-Point and Relative Humidity
Features
Accuracy of ±0.1 °C
Precision measurement to -90 °Cdp (100 ppb) with no need for additional cooling
Simple configuration and operation via touch screen interface
Sensor head optimized for fast response to low moisture levels
Compact 19" x 4U package
Lightweight at 22.4kg
Ethernet or USB connections
SD card data logging
The S8000 RS is a high-precision chilled mirror reference hygrometer which gives highly accurate and repeatable measurements of dew-point and humidity. It is intended for use as a reference instrument in standards laboratories and is also suitable for industrial applications – such as semiconductor manufacture – where precise of control of moisture is essential.
It offers a wide measurement range from -90 to +20 °C dew point. Fully automated control of the auxiliary cooling system means that no operator intervention is required even if the measured dew point changes from one end of the range to the other.
Specification
| Dew-Point Sensor Performance | |
| Measurement Accuracy* | ±0.1°C |
| Reproducibility | ±0.05°C |
| Measurement Technology | Chilled Mirror |
| Measurement Range |
RS80: -80 to +20°Cdp RS90: -90 to +20°Cdp |
| Mirror | Gold plated copper |
| Temperature Measurement | 4 wire Pt100, 1/10 DIN class B |
| Sample Flow Rate | 500 to 1000 ml/min |
| Sample Gas Pressure | 1 MPa (10 barg) max |
| Remote PRT | |
| Temperature Measurement | 4 wire Pt100, 1/10 DIN class B |
| Measurement Accuracy | ±0.1°C |
| Cable Length | 2 metres (250 metres max) |
| Flow Sensor | |
| Measurement Range | 0 to 1000ml/min |
| Optional Integrated Pressure Sensor | |
| Measurement Range | 0 to 1.6 MPa (0 to 16 bara) |
| Measurement Accuracy | 0.25% Full Scale |
| Measurement Units | barg, psig, kPa, MPa |
| Monitor | |
| Resolution | User selectable to 0.001°C, depending on parameter |
| Measurement Units |
Moisture: °C dp or °F dp, % RH, g/m3, g/kg, ppmV, ppmW (SF6) Temperature: °C or °F Pressure: barg, psig, kPa, Mpa |
| Outputs |
Analog: Three channels, user selectable 4-20 mA, 0-20 mA or 0-1 V Digital:Modbus RTU over USB and optionally Modbus RTU over RS232 or 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 (512 Mb supplied) and USB interface Supports SD Card (FAT-32) - 32 GB max. that allows 24 million logs or 560 days, logging at 2 second intervals |
| Environmental Conditions | 5 to 30°C, max 80% RH |
| Power Supply | 85 to 264 V AC, 47/63 Hz |
| Power Consumption | 250 VA |
| Mechanical Specification | |
| Dimensions | 190 x 444 x 550mm (h x w x d) |
| Weight | 22.4kg |
| Sample Gas Circuit | 316 Stainless steel |
| Sample Gas Connections |
Inlet: ?" VCR Outlet: ?" Swagelok |
| Optional Integrated Smaple Pump |
Flow rate 1.4l/min maximum Sample gas connections 1/4" Swagelok with bypass loop |
| General | |
| Calibration |
5-point in-house calibration, national standards traceable as standard UKAS accredited calibrations optional - please consult factory |
|
* 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. |
|
Suitable Applications
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