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S4000 Remote Precision Laboratory Dew-Point Hygrometer |
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The S4000 Remote is a precision laboratory dew-point hygrometer with the ultimate accuracy, reliability and long-term performance for humidity measurement and calibration. The product offers unmatched accuracy and reliability in dew-point measurements of air and gas systems in calibration laboratories.
Its powerful three-stage Peltier thermoelectric heat pump gives a depression capability of more than 70°C at normal laboratory temperature. The S4000 Remote comprises a free-standing sensor and a 19" x 3U monitor unit, connected by individual power and signal cables for the most stable and precise dew-point control.
Product Features
- Super-sensitive dual optics
- Powerful thermoelectric heat pump
- 4 wire 100 Ω Pt100 Sensor
- Accuracy 0.1°C dew point
- Swagelok® or VCR® couplings
- Dual multi-function LED display with unit indicator
- Current, voltage outputs and RS-232 digital
communications
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Technical Specification |
| Display |
Dual 6 digit LED, with 2 digit
engineering unit indicators |
| Units |
°C, °F dew point; °C, °F temp; % RH, ppmV, ppmW, gm-³, g/kg-¹, ppmW for SF6 |
| Resolution |
0.01 for all units |
| Accuracy |
±0.1° dew point (typical
system accuracy) |
| Response Speed |
0.5°C s-1 + setting time (dew-point dependent) |
| Sensitivity |
0.01°C |
| Repeatability |
Better than 0.1°C |
| Auxiliary Input |
Pressure transducer 4-20 mA input for automatic (optional)
pressure compensation.
Range = 0 to 344.0 kPa absolute (0-50 psia) |
| Sensor Pressure |
1 MPa (max) |
| Sample Flow Rate |
0.1 to 0.7 Nl/min(recommended) |
| Integrated Flow Meter |
0 to 1 Nl/min |
| Measurement |
Fundamental Cooled Mirror, optical
principle detection
Primary cooling: 3-stage Peltier heat pump |
| Dual Optics Detection |
Wide band red LED with dual photo sensors |
| Outputs |
Analogue: 10 mV/ °C dew point, 4-20 mA
Digital: RS232; data hold, ABC status, optics alarm (logic) |
| Temperature Measurement |
4 wire 100 Ω 1/10 DIN class B Pt100 |
| Measurement Range |
- 80 to +20 °C dew point (remote); - 80 to +85 °C dew point (climatic sensor)
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| Sensor Operating Temperature |
-30 to +30 °C (remote); -30 to +90 °C (climatic) |
| Auxiliary Cooling |
External liquid; external fan (climatic
version) |
| Sensor Housing Type |
Bench case; space frame (climatic version) |
| Dimensions |
268W x 300D x 133H mm |
| Weight |
5.5kg; 4.8kg (climatic version)
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| Power Supply |
90 to 265 VAC; 50-60 Hz (monitor) |
| Cable Length |
50m (max) |
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Applications |
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