Dewpoint Sensor LPDT - Cosa xentaur Việt Nam

 Xentaur LPDT_PDF

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 H2

O/mm scf,

 gm H2

O/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