GENERAL
The 3051 pressure transmitter is its ability to provide accurate and reliable readings even in harsh and challenging operating environments. It is designed to withstand extreme temperatures, shock, and vibration, making it an ideal choice for use in critical applications such as oil and gas, chemical, and petrochemicals. This device has a response time of less than 100 milliseconds and delivers a measurement accuracy of up to 0.05%.
FEATURES
| Specifications | |
| Measuring range | -200Pa-10MPa |
| Output signal | 4-20mA, 4~20mA/HART, RS485 Modbus |
| Accuracy | 0.075% URL, optional 0.05% URL |
| Media temperature | -40~120℃ |
| Diaphragm material | SS316L, Hastelloy C, Tantalum |
| Stability | ±0.2% URL/60 months |
| Process connection | M20*1.5(M), 1/2-14NPT(F), 1/4-18NPT(F) |
| Proction class | IP67 |
| Approvals | ATEX, IECEx, CE certificates |
| Application | Process control system, petroleum industry, chemical industry |
SPECIFICATIONS
|
Display |
5 Digits programmable & 0-100% Bargraph |
|
Display Unit |
Standard 22 different engineering unit 5 Digits programmable for special unit |
|
Button |
3 keys |
|
Output |
4 - 20 mA with Hart , Modbus RS485 as optional |
|
Power Supply |
12 - 24 VDC |
|
Damping |
0 - 32 seconds |
|
Response Time |
200 mS |
|
Mounting Bracket |
2" |
|
Humidity Limit |
0 to 100% |
|
Turn on Time |
2-3 Seconds |
|
Zero Calibration |
Automatic |
|
Cable Entry |
M20x1.5 / 1/2" NPT or others as per optional |
|
Temperature Effect |
+/-0.2% ~ +/-0.5% of span per 20 °C |
|
Vibration Effect |
+/-0.05% of URL per g to 200 Hz in any axis |
|
EMI/RFI Effect |
Follow SAMA PMC 33.1 from 20 to 1000 MHz and for field strengths up to 30 V/m |
|
Process Connection |
1/4" - 18 NPT 1/2" - 14 NPT( adapter needed) |
|
Ambient Temperature |
-25 to +90 °C |
|
Dimensions |
102 mm ( W ) * 188 mm ( H ) * 130 mm (D) |
|
Weight |
4.0 Kg |
WIRING DIAGRAM

Dimensions

Order Code:
|
Item |
Code |
Specification |
|
HY3051SDP |
Differential Pressure Transmitter |
|
|
HY3051SGP |
Gauge Pressure Transmitter |
|
|
Measurement Range |
2 |
0-0.1~1.5 Kpa |
|
3 |
0~7.5 Kpa |
|
|
4 |
0~37.4 Kpa |
|
|
5 |
0~186.8 Kpa |
|
|
6 |
0~690 Kpa |
|
|
7 |
0~2068 Kpa |
|
|
8 |
0~6890 Kpa |
|
|
9 |
0~20680 Kpa |
|
|
Output |
S |
4-20mA, HART Protocol, Linear output |
|
J |
4-20mA, HART Protocol, Square root output(Range≥5kpa) |
|
|
Diaphragm Material / Fill Fluid |
2 |
Stainless Steel 316L Silicone Oil |
|
3 |
Hastelloy C(range >3Kpa) Silicone Oil |
|
|
A |
Stainless Steel 316L Fluorine oil |
|
|
Drain hole |
B |
Back of process flange or none |
|
U |
Process flange side upper |
|
|
L |
Process flange side lower |
|
|
Wetted O-ring Material |
7 |
Buna-N (NBR) |
|
6 |
Viton (FKM) (Temperature ≥-20℃) |
|
|
5 |
Low Temperature Viton (FKM-GFLT) |
|
|
Process Connection |
H |
1/4'' NPT F |
|
Maximum Pressure Limit |
1 |
14 Mpa( 4Mpa for range 2) |
|
3 |
25 Mpa |
|
|
5 |
32 Mpa |
|
|
Cable Entry |
1 |
M20*1.5 |
|
Mounting Bracket |
B00 |
None |
|
B01 |
Tube-type Curved Bracket (carbon steel) |
|
|
B02 |
Wall mounting bracket (carbon steel) |
|
|
B03 |
Tube-type Flat Bracket (carbon steel) |
|
|
B04 |
Tube-type Curved Bracket (stainless steel) |
|
|
B05 |
Wall mounting bracket (stainless steel) |
|
|
B06 |
Tube-type Flat Bracket (stainless steel) |
|
|
Optional |
d |
Intrinsically safe type, Flameproof (Exd IIC T4~T6) |
|
i |
Intrinsically safe (Exia IIC T4~T6) |
|
|
M3 |
LCD display |
|
|
D1 |
Stainless steel drain valve or screw (2pcs) |
|
|
C1 |
1/2'' NPT female waist flange (2sets) |
|
|
C12 |
1/2'' NPT-M20*1.5-Φ14 pressure pipe (2sets) |
|
|
C2 |
M20*1.5 male thread T joint (2sets) |
|
|
C21 |
M20*1.5 T joint -Φ14 pressure pipe (2sets) |
|
|
K1 |
Degreasing treatment |
|
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