Differential pressure transmitter 493D
4-20 mAratiometric1-5 V

differential pressure transmitter
differential pressure transmitter
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Characteristics

Pressure type
differential
Output
4-20 mA, ratiometric, 1-5 V
Electrical connection
M12 connector
Fluid
for air
Material
stainless steel
Protection level
IP66
Other characteristics
low pressure, male
Pressure range

Max.: 1,000 bar
(14,503.77 psi)

Min.: 0 bar
(0 psi)

Precision

0.5 %

Long-term stability

1 %

Process temperature

Max.: 85 °C
(185 °F)

Min.: -40 °C
(-40 °F)

Description

Model 493D is a differential pressure transmitter, which is specifically developed to measure very low differential pressure (down to 0~5 mbar), for low pressure applications such as for air flow monitoring and control (e.g., in clean rooms), and for manometers as well as medical devices. The 493D transmitters are manufactured of two different structures according to its measuring range: for the measuring range ≤50 mbar its sensing element is protected by silicone gel, while for the measuring range >50 mbar the sensing element is protected by 316L stainless steel. As such, the pressure medium has to be non-corrosive to silicone gel when the measuring ranges ≤50mbar, while when the measuring ranges >50mbar the 493D transmitters can be contacted directly to any medium if it is compatible with 316L SS. To meet requirements of different applications, the mechanical interface of 493D transmitters is made of G1/8” female threads, M10 male threads, or push-on hose fittings, while its electrical interface is designed with either an M12 connector or a cable outlet. In addition, various kinds of output signal are available for selection, e.g., 4~20mA, 1~5Vdc, RS485, 10%~90%Vs ratiometric, or SPI. For environmental protection the 493D transmitters can meet the requirement of IP66 rating so that it can be used in wet weather conditions.
*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.