Chilled Mirror Optical Dew Point Hygrometer DewStar S-1 series
The Dew Star S-1 chilled mirror system is a high performance chilled mirror SENSOR with Peltier thermoelectric mirror cooling.
It provides accurate and reliable dew point measurement over an extended range for long periods of time with it's new ACCU-STAR mirror maintenance feature.
Features
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Accurate and reliable dew point measurement.
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ACCU-STAR mirror maintenance feature.
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Remote multifunction display monitor.
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Simultaneously measure dew point, temperature, and pressure.
Specification
| Model |
DewStar S-1 |
|---|---|
| Operation range |
0 to 60℃ (Sensor) |
| Measurement range of dew point |
-40 to 50℃
|
| Operating pressure |
0.5MPaG |
| Sampling flow rate | 0.5 to 2.5 L/min. |
| Reproducibility | ±0.05 ℃DP (at 25℃) |
| System accuracy | ±0.1 ℃ DP(at 25℃ DP) |
| Measurement Parameter | Dew/Frost point(℃), Temperature(℃), Pressure(kPa) |
| Operation Value | Relative Humidity(%rh),Absolute Humidity(g/m3), Moisture Regain(PPMv) (PPMw) |
| Analog Output(Monitor) | 4 to 20mA, 0 to 5VDC |
| Alerm Output(Sensor) | Photo MOS relay |
| Digital Output | RS232C |
| Sensor to Monitor | Special Cable (Length 3m) |
| Connection | 1/4" Compression Fitting PT |
| Weight | Approx 0.5kg(Monitor) Approx 4kg(Sensor *Depends on the specification.) |
| Power Supply | AC90 to 240V (50/60Hz) |
| Consumed Power | Approx 50W |
| Dimension(monitor unit) (unit:mm) |
 |
| Dimension(S-1) (unit:mm) |
 |
Option
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Temperature sensor S-1S-001
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Sensor Pt100Ω 4-wire type Measurement range -50 to 100℃ Accuracy ±0.2℃ (0℃) Dimension φ3.2 x L250mm Cable length 3m
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Air pump unit S-PU
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Pumping sampling gas into Dew Star on measurement.Flow meter integrated.
Order code
S-1 series (for normal humidity)*1
| Order code | Specification | |||||
|---|---|---|---|---|---|---|
| Material of mirror | Sensor coating | Heater*2 | ||||
| Rhodium | Platinum | NO | YES | NO | included | |
| S-1S-0 | ○ | ○ | ○ | |||
| S-1S-4 | ○ | ○ | ○ | |||
| S-1S-6 | ○ | ○ | ○ | |||
| S-1S-8 | ○ | ○ | ○ | |||
| S-1S-C | ○ | ○ | ○ | |||
| S-1S-E | ○ | ○ | ○ | |||
*1 Monitor display S-1M-0 is needed.
*2 Needed when dew point is highr than room temperature. Integrated with sensor and controlling unit. Must be ordered before shipped out of our factory. External temperature controller needed separately.
Monitor unit for S-1,S-2,S-3 common
| Order code | Specification |
|---|---|
| S-1M-0 | SI unit |
Option
| Order code | Specification |
|---|---|
| S-1S-001 | Temperature sensor (Pt100Ω 4-wire type) |
| S-PU | pump unit (100VAC 50/60Hz) |
Calibration and Repair
After maintenance
SHINYEI provides calibration service traceble to National Metrology Institute of Japan(NMIJ) where standardizes humidity in Japan.
SHINYEI also operates all repairs of Dew Star at its own factory with fast lead time.
