Model L749 L729
Technology Capacitive ceramic pressure sensor Piezoresistive silicon pressure sensor
Pressure ranges 0~250mm H2O to 35kgf/cm2 relative pressure 0~0.1 to 35kgf/cm2 relative pressure
0~0.2 to 35kgf/cm2 absolute pressure 0~1 to 35kgf/cm2 absolute
Pressure reference Relative
Overload 6 × full scale without damage 3 × full scale without damage
Electrical connection Terminal head with weather and explosion protection Ex d IIC T6
Output signal 4~20mA DC or 1~5V DC
Other signals available on request
Local display LED 31/2 digit
Excitation voltage 12~36V DC
Load resistance
max@24V 500Ω at 24V
Influence of excitation 0.01% FSO/V
Power ripple ≤500mV P-P
Reverse polarity Protected
Shock resistance No change in performance after 10Gs for 11ms
Vibration 0.1G (1 m/s/s) maximum
Response time(10~90%) ≤1 milliseconds ≤ milliseconds
Adjustment ±20% FSO/zero and span ±10% FSO/zero and span
Accuracy ≤±0.2% FSO ≤±0.25% FSO
Non-linearity ±0.15% FSO typical ±0.100% FSO typical
Repeatability ±0.10% FSO typical ±0.015% FSO typical
Pressure hysteresis ±0.10% FSO typical ±0.010% FSO typical
Long term stability Max. annual error ±0.3% FSO ±0.3% FSO over 6 month
Cutoff frequency(-3 d B) ≤2kHz
Reference temperature 25°C 35°C
Operating temperature range -40~125°C -40~125°C
Compensated temperature range -20~80°C 0~82°C
Thermal sensitivity shift ≤±0.05%/ FSO typical ≤±0.2%/ FSO typical
Thermal zero shift ≤±0.10% FSO typical ≤±0.2%/ FSO typical
Thermal hysteresis ≤±0.10% FSO typical ≤±0.1%/ FSO typical
Process connection Flange mounting(ANSI, DIN, JIS)
Chemical sealed with Clamp, Flange, etc.
Other process connections available on request
Process media Gases and liquids compatible with
Ceramic Al2 O3, 96% Stainless steel 316
Materials wetted by process Diaphragm : ceramic Al2 O3, 96% Stainless steel 316
Housing : Stainless steel 316 and other materials available on request
Enclosure rating IP65
Explosion protection Ex d IIC T6
Influence of mounting position Not critical Under 0.5kgf/cm2, mounted vertically
Weight Approx. 1500g
Options Remote sealed diaphragm
Note
Input
Output
Electrical Specifications
Performance Specifications
Physical Specifications