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3151AP Absolute Pressure Transmitter
  The 3151 series smart transmitter is apply for measuring flow, liquid level, remote and pressure (differential pressure, gauge pressure, absolute pressure).
Description

1. Product introduction

  3151 series is our company developed a new generation pressure/differential pressure transmitter with independent intellectual rights. The sensor adopted foreign advanced technology of high accuracy product. On the conversion principle of using digital compensation technique to compensate temperature, static pressure, so that proved the measurement precision and reduced temperature drifting. This series pressure transmitter had many advantages of long-term stability, high reliability and strong itself diagnosis ability. With its high performance than low cost, so it’s the main product in pressure transmitter industry. The 3151 series smart transmitter is apply for measuring flow, liquid level, remote and pressure (differential pressure, gauge pressure, absolute pressure).

2. characteristics

  2.1 Adopting the microprocessor to improve the flexibility and functions.

  2.2 Have the function of self-diagnosis.

  2.3 Measurement range is so widely that is 0—0.2kPa~42MPa.

  2.4 Make the precision boost into grade 0.1, range than is 40:1.

  2.5 The adjustment of zero point and measurement range is not influence each other.

  2.6 Both with complete set, remote and calibration functions.

  2.7 2-wire system, conform to HART and ending the communication with HART but not interrupt output.

  2.8 The sensors Using digital compensation to compensate temperature and pressure.

  2.9 Good stability performance, high accuracy, damping adjustable, one-way resistance ability.

  2.10 No mechanical transmission parts, less maintenance workload, strong resistance to vibration.

  2.11 All interchangeable parts, easy to maintenance.

  2.12 Adjustment zero and the magnet without opening.

  2.13 The material of contacting medium diaphragm is optional, safe and explosion-proof, can use in anytime.

  2.14 The most excellent and reliability.

3. Dimensions

  (3151 series model of GP/AP/DP/HP type)

 
 

Range code 3,4,5 6,7 8
M(mm) 54 56 57
 




  (the dimensions of 3151LT type)

 

Mounting flanges Components size of diaphragm
Dimensions Pressure rating t Ф1 Mounting bolt Ф4 Ф5
Ф2 Ф3 Quantity
3"
4"
3"4"
150lb
150lb
300lb
300lb
30
30
35
38
190.5
228.6
209.6
254.0
152
190
168
200
19
19
22.2
22.2
4
8
8
8
127
157
127
157
66
89
66
89

  注:t is refer to the thickness of flange;

         Ф1 is refer to the outer diameter of a flange;

         Ф2 is refer to the bolt diameter;

         Ф3 is refer to the diameter of bolt hole;

         Ф4 is refer to the diameter of diaphragm seal;

         Ф5 is refer to the diameter of insert tube.

 4. model selection

Code  Items
3151AP Absolute pressure transmitter
  Code  Measurement range
4 0~40KPa absolute pressure
5 0~200KPa absolute pressure
6 0~700KPa  absolute pressure
7 0~2.1MPa  absolute pressure
8 0~7MPa    absolute pressure
  Code  Output
E 4-20mA dc
S 4-20mA dc + HART digital signal
SF 4-20mA dc + the key regulation
  Code Structural material
Flanged joint Vent/drain valve Isolation diaphragm 
22 316SST 316SST 316SST
23 316SST 316SST Hastelloy C
24 316SST 316SST Monel
25 316SST 316SST Ta
33 Hasstelloy C Hasstelloy C Hasstelloy C
35 Hasstelloy C Hasstelloy C Ta
44 Monel Monel Monel
  Code  Optional parts
M1 0~100% liner instruction header
M4 LCD multi-function digital display meter
B1 Pipe bracket with curved
B2 Plate bracket with curved
B3 Pipe bracket with flat
D1 In the upper side vent/drain valve
D2 The side vent/drain valve on the bottom
Da Exd
Fa EExi
3151AP 4 S 22 M4B3D1        Selection of demonstration

 














































Note: different model measurement range with different compression ratio, analog 3151 type is 6:1;

  Smart 3151 type is 40:1; the minimum range 3 is ±100Pa. 

3151GP flange level transmitter/3151AP absolute pressure transmitter/3151DP differential pressure transmitter/3151DP/GP remote type pressure transmitter/3151GP pressure transmitter/3151HP high static & differential pressure transmitter


 

 
 

Note: different model measurement range with different compression ratio, analog 3151 type is 6:1;

  Smart 3151 type is 40:1; the minimum ran

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