Differential pressure transmitter HM3051

Differential pressure transmitter HM3051
High precision and stable performance
Two line system, 4-20mA output.
Using solid delta chamber components and plug-in printed circuit boards, it has strong vibration resistance.
The range and zero point can be continuously adjusted over a large range.
Good one-way overload protection performance.
Good interchangeability and universality of components, durable and long-lasting.
The variety and specifications are complete.
Easy to install, widely used in outdoor, explosion-proof, high-temperature, and highly corrosive environments
Differential pressure transmitter 1151/3051DP
Reference accuracy: ± 0.1%
Stability: 6 months, ± 0.1% FS
Environmental temperature impact:
Zero point error: ± 0.2% URL/56 ℃
Overall error: ± (0.2% URL+0.18% calibration range)/56 ℃
Static pressure effect:
zero point:
For ranges 4 to 8, the URL is ± 0.25% at 13790kPa, and for range 3, the URL is ± 0.5%. Zero point error can be corrected online through zero adjustment.
Range:
Can be corrected to ± 0.2% output reading/6895kPa. For range 3, it can be corrected to ± 0.25% output reading/6895kPa
Vibration impact:
In any axial direction, the vibration effect at 200Hz is ± 0.05% URL/g
Power supply impact:
Less than ± 0.005% output range/volt.
Load impact:
There is no load impact unless there is a change in the power supply voltage.
Electromagnetic interference/radio frequency interference (EMI/RFI impact):
When the field strength reaches 30V/M from 20 to 1000MHz, the output drift is less than ± 0.1% of the range.
Installation location impact:
The zero drift is at most ± 0.25kPa. All zero drift can be corrected; Has no impact on the measurement range.
Functional specifications:
Measurement range: 3-1.3 to 7.5 kPa; 4—6.2～37.4 kPa; 5—31～186.8 kPa; 6—117～690kPa; 7—345～2068 kPa; 8—1170～6890 kPa;
Zero point and range:
It can be adjusted using the local range and zero buttons, or remotely using a HART controller.
Zero point positive and negative transfer:
When zero point negative shift occurs, the lower limit of the range must be greater than or equal to - URL; When zero point is shifted forward, the upper limit of the range must be less than or equal to+URL. The verification range must be greater than or equal to the minimum range
Output:
4～20mA， Users can choose linear or square root output, and the digital process variable is superimposed on the 4-20mA signal, which can be used by upper computers using the HART protocol.
Damping time constant:
The time constant can be adjusted in increments of 0.1 seconds, decreasing from maximum to 16.0 seconds.
Environmental temperature limit:
Without LCD meter head: -40 to 85 ℃
Equipped with LCD meter head: -30 to 60 ℃
HART communication:
Communication requirements:
Require a minimum 250 Ω resistor
Communication distance:
When using multi-core twisted pair cables, the maximum distance can reach up to 1.5km, and the communication distance varies depending on the cable type.
Liquid film sheet:
316L stainless steel, Hastelloy C-276, Monel or Tantalum. For the optional materials of each model, please refer to the ordering information table.
Container flange and process joint
316 stainless steel, Hastelloy C or Monel. For the optional materials of each model, please refer to the ordering information table.
Membrane box gasket and process joint gasket:
Fluororubber (with other materials available).
Drain/exhaust valve:
316 stainless steel, Hastelloy C, Monel. For the optional materials of each model, please refer to the ordering information table.
Non liquid contact material:
Bolt: Stainless steel
Electronic casing: Low copper alloy aluminum, compliant with NEMA 4X.
Cover O-ring:
Nameplate and location plate: stainless steel
Filling fluid: silicone oil or inert fluid
Differential pressure transmitter 1151/3051DP【 Selection Tips 】
If you need to purchase a differential pressure transmitter, you need to carefully determine the following parameters: measuring medium, temperature, pressure, range, whether to include Hart protocol, and whether to include a display head