Xentaur’s Dew Point Meter, Model LPDT, is the world’s smallest loop powered (2-wire) dew point transmitter with a display.
- Plastic Dryers
- Glove Boxes
- Welding Gases
- Natural Gas Processing, Transportation & Distribution
- Clean Room Environments
- Small Size
- Local Display
- Very Low Drift
- Long Sensor Life
技術指標：
原理：超薄的氧化鋁電容原理量程：－100℃~+20℃
準確度：±3℃
重復性：±0.5℃
響應時間：T95小于5分鐘
溫度范圍：－10~+70℃
采樣流速：靜態到100米/秒
存儲溫度：－40~+80℃
顯示：帶有背光燈的三位半液晶顯示
控制：3個按鍵實現功能控制
校準方法：自動校準（提供+20℃以上的飽和濕氣）
輸出：4~20mA模擬信號
露點變送器機械性能：
外殼：不銹鋼
工作壓力：標準34bar以內
可選340bar以內
機械連接：14mm×1.25mm和3/4" ×16螺紋
電氣連接：2.1毫米插頭
電纜：兩線電纜
電源：10~33VCD直流電源
Dewpoint Sensor Element
Type: Hyper-Thin-Film high capacitance Al203 Dewpoint Range
XTR-100 ............................... -100°C to +20°C
(-148°F to +68°F)
XTR-65..................................-65°C to +20°C
(-85°F to +68°F) Capacitance.................................15nF to 200nF
Accuracy . .....................................±2°C (± 3.6°F) for -100°C to 0°C Dewpoint
.....................................±3°C (± 5.5°F)for 0°C to +20°C Dewpoint
Repeatability ...............................±0.5°C (±0.9°F)
Temperature range ....................-10°C to +70°C
(+14°F to +158°F)
Sample Flow Range
(linear vel. @ 1 atm.) ........Static to 100 m/s Storage Temperature ...............-40°C to +80°C
(-40°F to +176°F)
Calibration Method .................Field span check NIST/NPL traceable
multipoint calibration
Temperature Measurement
The instrument measures the sample temperature with a precision integrated circuit sensor.
Electronics
Input resolution .........................0.1°C(dp)
Indicators......................................3.5 digit LCD with
custom legends Engineering units ......................°C, °F, ppmv, LBS H2O/mm scf,
gm H2O/M3
Controls ............................... 3 push buttons, all settings stored in EPROM
Output .................................Analog 4-20mA
Alarms..................................The 4-20 mA of the digital output may be
used by an external device to operate relays
Isolation............................... Sensor and case are isolated from the
current loop and shunted with 33V transorbs
Mechanical
Enclosure ............................Stainless steel (Weather proof cover optionally available)
Pressure operating range Standard: 34bar (500PSI) Optional: 340 bar (5,000 PSI)
Electrical connections....2.1 mm power jack with retainer thread size 3/4”-16, 14mm x 12.5mm
Cable .................................... Two conductor cable Power Requirements ......10 to 33 VDC, the instrument
draws 4-20mA depending on measurement dewpoint
Warranty..............................1 year
