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Outline:
YD31 pressure transmitter is a series pressure transmitter of our standard transmitter.
Imported diffused silicon chip assembly, reflecting a world-class pressure transmitter technology.
Compact, rugged. Light weight, easy to install. Easy to use. Maintenance-free. Zero
outside the range can be continuously adjusted, a wide range of migration. Suitable
for a variety of occasions in harsh environments and corrosive media.

Basic parameters:
1.Measuring media: oil, water, gas and other media compatible with 316L stainless
steel
2.Sensor: Stainless diffused silicon
3.Range: Gas: -0.1MPa ~ 0 ~ 100MPa; minimum range: 0 ~ 1KPa (clean air)
Liquid: -0.1MPa ~ 0 ~ 100MPa; minimum range: 0 ~ 5KPa
Positive and negative pressure type: ± 1KPa (clean gas); ± 10KPa
(liquid); maximum: -0.1 ~ 70MPa (custom)
3.Pressure: 2 times the range (10MPa or less, more may contact); 1.5 times the range
(10MPa or more, higher may contact)
4.Accuracy: ± 0.25% FS
5.Nonlinear: <± 0.2% FS
6.Hysteresis and repeatability: ≤ ± 0.1% FS
7.Long-term stability: ≤ ± 0.1% FS / year
8.Zero drift: ≤ ± 0.02% FS / ℃
9.Response time: ≤500ms (standard)

Electrical parameters:
1.Output: current 2-wire: 4 ~ 20mA
2.3-wire voltage: 0 ~ 5V; 0 ~ 10V; 1 ~ 5V; 1 ~ 10V
3.Supply voltage: DC24V (12 ~ 32VDC, less may contact)
4.Load capacity: current output: ≤ 500Ω
5.Voltage output: ≤ 250Ω output impedance
6.Electrical connection: Standard for HE Mann, optional direct outlet or custom

Materials:
1.Wetted parts: 316L stainless steel
2.Shell: 304
3.Seals: Viton, optional: EPOM, NBR
4.Diaphragm: 316L stainless steel

Other specifications:
1.Process connection: M20 × 1.5 external thread (standard) (optional other
connections)
2.Material: 316L stainless steel wetted materials; Shell: 304
3.Protection class: IP 65
4.Medium temperature: -30 ~ 80 ℃
5.Ambient temperature: -40 ~ 80 ℃
6.Storage temperature: -40 ~ 100 ℃
7.Earthquake: 108 RMS (25 ~ 2000HZ)
8.Ex: Ex ia IIC T6 intrinsically safe
9.Current Limit: The maximum current-24mA; voltage-largest 5mA
10.Certification: CE, ISO
11.Installation position: vertical installation is recommended, as there will be other
installation extremely slight zero offset

Features:
1.DigitalASIC, accuracy and stability
2.Drift affect small
3.Excellent long-term stability
4.Excellent anti-jamming capability
5.Overvoltage overcurrent protection, reverse polarity protection
6.Excellent selection of imported sensors core

Applications:
Industrial field pressure control process, supporting the automotive, central air
conditioning, refrigeration equipment, water treatment works, environmental
purification, hydraulic and pneumatic control, aerospace, petrochemical industry, food
industry, medical equipment, marine and shipbuilding industry, water conservancy,
hydropower , power plants and other industries. almost can be used in various
industrial fields, suitable for all stainless steel, 316L compatible media, and by
choosing different seals to be compatible with more media. Different pressure and
electrical connections can be selected.