1151/3351DR type micro differential pressure transmitter

NegotiableUpdate on 08/18

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Nature of the Manufacturer: Producers

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Place of Origin

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Overview

The BT1151/3351DR micro differential pressure transmitter is used to measure small differential pressures such as furnace pressure, and then convert them into 4-20mA DC signal output. The intelligent differential pressure transmitter can also communicate with the HART controller for setting, monitoring, or on-site integration with the upper computer .....

Product Details

BT1151/3351DR typeMicro differential pressure transmitterUsed to measure small differential pressures such as furnace pressure, and then convert them into4～20mA DCSignal output. Intelligent micro differential pressure transmitter can also be used withHARThandheld controllerMutual communication is used to set up, monitor or form an on-site monitoring system with the upper computer. BT1151/3351DROn site adjustment typeIntelligent differential pressure transmitterThis is a new product developed by our company based on on-site requirements. It can be operated without a manual controller and can be adjusted and configured on-site through button pressing.
1. Performance Specifications
(Zero benchmark verification range, under reference conditions, filled with silicone oil,316 LStainless steel isolation membrane. ）

1.1. Reference accuracy
1.1.1. Digital and intelligent: ± 0.2% calibration range
1.1.2. Simulation, linear: ± 0.5% calibration range
1.2. stability
1.2.1. Digital and intelligent: 6 months, ± 0.2% URL
1.2.2. Simulation, linear: 6 months, ± 0.5% URL
1.3. Environmental temperature impact
1.3.1. Numbers and Intelligence:
Zero point error: ± 0.2% URL/56 ℃
Overall error: ± (0.2% URL+0.18% calibration range)/56 ℃
1.3.2. Simulation, Linear
Zero point error: ± 0.5% URL/56 ℃
Overall error: ± (0.5% URL+0.5% calibration range)/56 ℃
1.4. Static pressure effect
The zero point error is ± 0.5% URL. It can be corrected online by resetting the zero.
1.5. vibration effect
In any axial direction, the vibration effect at 200Hz is ± 0.5% URL/g
1.6. Power supply impact: less than ± 0.005% output range/volt.
1.7. Load impact:
There is no load impact unless there is a change in the power supply voltage.
1.8. 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
1.9. Installation location impact
The zero drift is at most ± 0.25kPa. All zero drift can be corrected; Has no impact on the measurement range.

2. Functional specifications
2.1. Measurement range: Differential pressure: 0-0.125-1.5KPa
Static pressure: 1, 4, 6.9MPa
2.2. Zero point and range
2.2.1. Digital and intelligent: can be adjusted with local range and zero buttons, or remotely adjusted with a HART controller

2.2.2. Simulation, linear: range and zero point continuously adjustable
2.3. 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. Verify that the range is greater than or equal to the small range.
2.4. output
Digital and intelligent:
4～20mA DC， Users can choose linear or square root output, and the digital process variable is superimposed on a 4-20mA DC signal, which can be used by upper computers using the HART protocol.
Simulation, linear: 4-20mA DC, linear with process pressure.
2.5. Damping time constant
Digital and intelligent: adjustable time constant, increasing by 0.1 seconds, from as small as 16.0 seconds
Simulation, linear: The time constant can be adjusted from as small as 1.67 seconds.
2.6. Environmental temperature limit
Digital and intelligent: -40 to 85 ℃
Simulation, linear: -40 to 93 ℃
Equipped with LCD meter head: -30 to 60 ℃
2.7. Process temperature limit
Silicone oil filling: -40 to 104 ℃
Fill with inert liquid: -18 to 71 ℃
2.8. Storage temperature limit
Digital and intelligent: -51 to 85 ℃
Simulation, linear: -51 to 121 ℃
Equipped with LCD meter head: -40 to 70 ℃
2.9. ambient humidity
0-100% relative humidity
2.10. Static pressure and overpressure limit
Applying a pressure of 0 to 6.9 MPa on either side of the transmitter will not cause damage. Meets performance specifications when operating within a static pressure range of 3.45kPa to 6.9MPa.
2.11. Volume change amount
Less than 0.16cm3

◆Selection method

SK1151/3351DR	Micro differential pressure transmitter
	code	measurement rangeKPa
	2	0-0.125～1.5KPa
		code	output
		F	4-20mA
			code name	structural material
				Flanges and fittings		exhaust/drain valve	Isolation Diaphragm	Fill with liquid
			22	316stainless steel		316stainless steel	316stainless steel	silicone oil
				code name	Great work pressureMPa
				A-	1
				B-	4(special6.9）
					code	option
					M1	0-100%Linear indicator table
					M2	LED display table
					M3	LCDdisplay table
					B1	Pipe bending bracket
					B2	Board mounted bending bracket
					B3	Pipe mounted flat bracket
					D1	The side relief valve is located at the upper part of the pressure chamber
					D2	The side relief valve is located at the lower part of the pressure chamber
					No note	1/2NPTCone pipe threaded joint
					C2	T-shaped threaded jointM20×1.5, with rear weldingФ14Spherical cone connector of pressure pipe
					d	Explosion proof typedⅡBT4
					i	Intrinsically safe typeiaⅡCT6
					s	Stainless steel three valve group