The Electric Absolute Pressure Transmitter YSB-D utilizes a wide-range isolated silicon sensor assembly from the Russian Microelectronics Sensor Group. Through highly reliable intelligent circuitry with the HART protocol, it converts the gauge or absolute pressure of the measured medium into a standard 4~20mA DC current signal.
| Installation And Precautions | |
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• Install the meter vertically upward in a horizontal orientation and ensure it’s protected from human damage. • Pressure interfaces with M20x1.5 and 1/2NPT external threads should use Purple Copper or PTFE sealing gaskets. • Measuring range should be >1.5 times measured pressure. • Install the instrument directly on the flange connection.Install shut-off and vent valves between the flange and pipeline for easy maintenance. • Open vent valve during installation to ensure unobstructed flow. |
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Outline Dimensional Drawing |
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Type |
Specification Code |
Instructions |
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YSB- |
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Pressure Transmitter |
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Product Type |
E |
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Electric Pressure Transmitter |
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C |
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High Pressure Transmitter |
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D |
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Absolute Pressure Transmitter |
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Output Signal |
A |
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4~20mA |
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H |
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4~20mA+HART |
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R |
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4~20mA+RS485 (MODBUS RTU) |
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Measuring Chamber Body Material |
S |
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SUS304 |
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H |
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SCS14A |
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F |
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other |
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Diaphragm Material |
1 |
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SUS316L |
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2 |
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Hastelloy C-276 |
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3 |
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Ta |
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4 |
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other |
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Process Connection |
1 |
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M20×1.5 External Thread（direct mount） |
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2 |
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1/2NPT External Thread（direct mount） |
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3 |
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Pipe connection bracket installation |
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Electrical Interface |
1 |
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M20×1.5 Internal Thread 2 Wiring Ports |
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2 |
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1/2NPT Internal Thread 2 Wiring Ports |
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Ambient Temperature |
1 |
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-30℃~80℃ (Including LCD Display Unit) |
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2 |
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-40℃~85℃ |
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Bracket installation method |
P |
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2-inch tube installation, SUS304 horizontal bracket |
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L |
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Vertical flat panel mounting SUS304 material bracket. |
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Display Unit |
N |
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No Display Unit |
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D |
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LCD Digital Display Unit |
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M |
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Analog Display Unit |
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S |
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LCD Digital Display Unit With Setting Button |
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Ingress Protection |
1 |
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IP65 |
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2 |
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IP66 |
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3 |
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IP67 |
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Ex-protected design |
H |
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Flameproof Enclosures(Ex db ⅡC T4~T6 Gd) |
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B |
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Intrinsic Safety(Ex ia ⅡC T6 Ga) |
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Accuracy, Range |
Fill in directly |
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Additional Options |
special alternative |
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The Electric Absolute Pressure Transmitter YSB-D utilizes a wide-range isolated silicon sensor assembly from the Russian Microelectronics Sensor Group. Through highly reliable intelligent circuitry with the HART protocol, it converts the gauge or absolute pressure of the measured medium into a standard 4~20mA DC current signal.
Simultaneously, it enables digital communication (using the RS485 MODBUS protocol), querying, and self-diagnosis by superimposing a digital signal on the 4~20mA DC transmission line. Remote control or reconfiguration of this transmitter can be performed either on-site or in the control room via a PC or handheld communicator.
The transmitter’s exceptional high-pressure performance is ensured by its high-quality sensor, precision fully-welded packaging technology, and sophisticated assembly processes.
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Range |
0~10KPa~35MPa (Optional) |
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Measurement Type |
Absolute Pressure |
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Ingress Protection |
IP65, IP66, IP67 |
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Accuracy |
±0.025%, ±0.05%, ±0.075% |
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Diaphragm Material |
316L Stainless Steel, Hastelloy, Ta |
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Housing Material |
Polyurethane-Coated Low-Copper Cast Aluminum Alloy Or Stainless Steel |
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Suitable Media |
Liquid, Gas, Steam |
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Turndown Ratio |
100:1 |
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Media Temperature |
-40℃ ~ 120℃ |
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Ex-protected design |
Ex d ⅡC T4~T6 Gd、Ex ia ⅡC T6 Ga |
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Output Signal |
4~20mA, 4~20mA+HART, RS485 (Modbus RTU) |
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Process Connection |
Direct Connectioned: M20×1.5 External Thread or 1/2NPT External Thread. Pipe Connectioned: 1/2NPT Internal Thread. |
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Electrical Interface |
M20×1.5 Internal Thread or 1/2NPT Internal Thread Two-way connection port |
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Power Supply |
24VDC±10% |
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Ambient Temperature |
-30~80℃(Including LCD Display Unit), -40~85℃(Requires Protective Measures Below This Threshold) |
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Ambient Humidity |
5~100%RH@40℃ |
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Instrument Stability |
15 years±0.2%URL |
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Mounting Bracket |
304 Stainless Steel Horizontal Bracket or Vertical Bracket (Optional) |
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