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Address
Room 809, Building 1, Instrument Industrial Park, Zhabei District, Shanghai
Shanghai Automation Instrument Co., Ltd
Room 809, Building 1, Instrument Industrial Park, Zhabei District, Shanghai
3151GP3B22OM20B1K intelligent pressure transmitter
Product features
1. Measurement range: 0-0.15kPa~42MPa, with multiple options and flexible applications, can meet the needs of the vast majority of users.
2. Compact, sturdy, and vibration resistant structure. The integrated junction box, local zero and range adjustment, and LCD display configuration buttons simplify installation, calibration, and operation.
3. Non contact local zero and range adjustment and LCD display parameter configuration buttons are designed on the transmitter housing, which facilitate on-site adjustment of zero and range and setting of required on-site display parameters.
4. Adopting solid, plug-in printed circuit boards and modular structures can help with troubleshooting and reduce spare parts inventory.
5. Adjustable damping improves user selectivity.
6. Intelligent circuit, convenient for user operation.
7. It has an independent anti electromagnetic interference circuit and software anti-interference design, which improves the reliability of the product.
8. It has an internal sensor for measuring temperature parameters, which improves the compensation performance of the transmitter for environmental temperature effects. As the sensor is in direct contact with the measured medium, it can also obtain temperature information of the medium in contact with the sensor.
9. The on-site digital display table of the transmitter configuration can directly display the measured pressure value, output analog current value, the ratio of the measured pressure to the set range, and the temperature value of the sensor body and its contact medium. This technology has been applied for.
10. The transmitter has improved its fault recovery capability, greatly reducing the maintenance workload of the transmitter.
11. The LCD display meter operates in a multi parameter cyclic display mode.
12. It has the remote communication function of HART protocol, which not only realizes pressure measurement, but also increases the temperature detection function of the sensor body and the contacted medium, providing users with more on-site working condition information, which is beneficial for users to improve the effectiveness of process control.
The delta chamber structure design of the differential capacitive pressure sensor with full metal sealing has achieved significant improvements and good stability in differential pressure (pressure) and temperature measurement.
3151GP3B22OM20B1K intelligent pressure transmitterProduct Introduction
The 3151GP intelligent pressure transmitter, as an intelligent on-site pressure parameter detection instrument, is used to measure the pressure parameters of various media in liquid, gas, and steam states, and convert the measured pressure parameters into 4-20mA standard electrical signals for output. It also uses the HART protocol and has the function of communicating with the controller or upper computer. The transmitter has an output parameter configuration function, which can adapt to the needs of different users. It can measure pressure accurately.
The transmitter has a dust-proof structure, making installation, use, and calibration easy and simple. The wiring terminals and electronic circuit board are placed in a sealed electrical chamber above the transmitter, and are separated from each other. So when wiring on site, the amplifier is still working in a sealed state. The transmitter has reverse polarity protection measures to prevent damage to the transmitter due to power connection. The volume change during operation is less than 0.16 milliliters, which can prevent excessive changes in the liquid column of the measured medium. Therefore, there is no need to add a condenser or liquid level cylinder to compensate for the volume change. The components of the transmitter in contact with the measured medium are made of 316L stainless steel material. The use of surface mount electronic components and plug-in design manufacturing of printed circuit boards results in fewer faults, easier maintenance, strong universality, reduced spare parts, and lower maintenance costs.
Structure and Principle
The 3151 transmitter consists of two parts: a sensor and an electronic circuit board. The sensor part includes sensitive components, direct digital capacitive circuits, temperature sensors, and characteristic EEPROM; The electronic circuit board consists of several parts such as microprocessor, digital/analog signal converter, digital communication, and EEPROM memory, which complete the conversion of pressure signals to 4-20mADC.
Functional block diagram of transmitter
2-inch pipe installation bracket 2-inch pipe installation flat bracket
The transmitter is mounted on a bracket on a 2-inch pipeline. The transmitter is vertically mounted on a bracket on a 2-inch pipeline
Carbon steel structure, equipped with carbon steel U-bolts Carbon steel structure, equipped with carbon steel U-bolts
Polyurethane Cool Spray Paint
Panel installation bracket
A bracket used for installing transmitters on panels or walls
Carbon steel structure, equipped with carbon steel bolts
Polyurethane Cool Spray Paint
3、 Selection code table (if conditions permit, replace with selection reference)
3151 series code |
Transmitter selection code |
Optional items |
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measurement type |
GP |
Pressure gauge transmitter |
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Range of use (kPa) |
3 |
0-1~7.5 |
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4 |
0-4~40 |
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5 |
0-20~200 |
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6 |
0-70~700 |
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7 |
0-210~2100 |
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8 |
0-700~7000 |
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9 |
0-210~21000 |
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0 |
0-420~42000 |
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Output signal type |
A |
4-20mA DC signal+HART protocol digital signal (single parameter) |
select |
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4-20mA DC signal+HART protocol digital signal (multi parameter) |
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E |
Digital Signal of Industrial Ethernet Protocol |
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F |
Digital signal of FF Foundation fieldbus protocol |
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Digital signal of Profibus PA protocol |
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Materials of components in contact with the measuring medium |
22 |
316L SST sensor isolation diaphragm316 SST process flange, relief valve, selected jointFluorocarbon rubber contact 'O' - shaped sealing ring |
select |
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23 |
Hastelloy C-276 sensor isolation diaphragm316 SST process flange, relief valve, selected jointFluorocarbon rubber contact 'O' - shaped sealing ring |
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25 |
Tantalum material sensor isolation diaphragm316SST process flange, relief valve, selected jointFluorocarbon rubber contact 'O' - shaped sealing ring |
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Process flange joint type |
O |
1/4-18 NPT internal thread |
select |
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T |
1/2-14 NPT internal thread |
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S1 |
Equipped with a remote transmission device (positive pressure side) |
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S2 |
Bring a remote transmission device |
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Display device type |
M20 |
Pointer display, 0 to linear scale(optional transmitter with output of 4-20mA) |
select |
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M7 |
LCD (Liquid Crystal) display can be set to display multiple modes such as cyclic or fixed display of pressure, temperature, current, ratio, and measurement units of engineering quantities. |
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M28 |
OLED display, Chinese display interface(Increased voltage drop in the circuit ≤ 6.5V)Simultaneously display pressure, temperature, current, ratio, and measurement units of engineering quantity. |
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M30 |
LED digital display specific range(4-20mA circuit increases pressure drop by ≤ 3V) |
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M32 |
LED digital display, can be set as needed(4-20mA circuit increases pressure drop by ≤ 3V) |
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Installation bracket type |
B1 |
Bending bracket pipe installation 2 "pipe |
select |
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B2 |
Bending bracket plate installation |
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B3 |
Flat bracket pipe installation 2 "pipe |
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Explosion-proof type |
d |
Exd Ⅱ CT6 (explosion-proof type) |
select |
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i |
Exia Ⅱ CT6 (intrinsic safety type) |
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Anti power interference type (intrinsically safe explosion-proof type cannot be used) |
k |
Install built-in power isolation module |
select |
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Pressure connector |
C12 |
One end is threaded with 1/2-14NPT, and the other end is a connecting pipe with an outer diameter of 14mm and an inner diameter of 6mm, used for welding with other pipelines. The two ends are detachable threaded connections. |
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