FB1151AP type absolute pressure transmitter | FB1151AP pressure transmitter

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FB1151AP type absolute pressure transmitter | FB1151AP pressure transmitter | FB1151AP

★ Overview: Differential capacitive sensors are currently the most mature technology for measuring pressure and differential pressure

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★ Overview

Differential capacitive sensors are currently the most mature technology for measuring pressure and differential pressure. The FB1151 pressure transmitter draws on advanced international technology and, while maintaining and promoting the excellent performance of similar foreign products, adopts an exquisite external structure with independent intellectual property rights, special processes and equipment, and advanced electronic circuit design. The FB1151 pressure transmitter is an ideal upgraded product for traditional 1151 pressure transmitters.

★ Scope of Application

The FB1151 pressure transmitter is suitable for accurately measuring micro differential pressure to large differential pressure, low pressure to high pressure, liquid level, vacuum degree, and specific gravity; Combined with a throttling device, flow can also be measured.

★ Features

Exquisite exterior design;

High precision, diverse varieties, wide measurement range, and good stability (see variety specification table);

※ Adopting a two-wire working mode, optional with HART fieldbus protocol;

Using solid circuit components, the printed circuit board has a plug-in method;

Unique structural design, sturdy and strong seismic resistance;

The range and zero position can be continuously adjusted externally;

Positive migration can reach 500%, and negative migration can reach 600%;

※ Adjustable damping;

※ There are a variety of options available;

★ Technical parameters

● Target audience	Liquid, gas or vapor
● Measurement range	gauge pressure	0-0.13 kPa to 0-41370 kPa
	differential pressure	0-0.125 kPa to 0-6890 kPa
	absolute pressure	0-6.8 kPa to 0-6890 kPa
● Output	4～20mADC
● Power supply	Ordinary type: 12-45VDC; Explosion proof type: 24VDC; Intrinsic safety type: powered by safety barriers
Positive and negative transfer	Regardless of the output, after positive and negative migration, the upper and lower limits of the range must not exceed the limit of the range Maximum migration amount: 500% of the minimum calibration range Maximum negative transfer: 600% of the minimum calibration range
● Temperature range	The working temperature of conventional transmitters is -25 ℃ to+70 ℃; Equipped with on-site indicator table -15 ℃~+70 ℃ Storage temperature: -40 ℃~+70 ℃ Amplifier operating temperature range (ambient temperature): -29 ℃~+93 ℃ (LT type: -30 ℃~+70 ℃) Working temperature of silicone oil filled measuring element (LT type medium temperature): -40 ℃ to+149 ℃ When filling high-temperature silicone oil into remote transmitters: -15~+315 ℃, ordinary silicone oil: -40~+149 ℃
● Humidity range	Relative humidity is 1-100%
● Sensor volume change	Less than 0.16cm³
● Indicator table	(On site) pointer type; digital display
Explosion proof type	Explosion proof ExdIICT6; Intrinsic safety ExiaICT6
● Range and zero point	External continuous adjustable
● Overpressure limit	Application range below 6MPa: 0 (absolute pressure) to 14MPa; Application range of 20MPa: 0 (absolute pressure) to 32MPa; Application range of 42MPa: 0 (absolute pressure) to 52MPa; The transmitter is undamaged, and the flange can withstand 60MPa
● Damping	Continuously adjustable between 0.2 and 16 seconds
● Start time	2 seconds, no preheating required
● Vibration impact	In any axial direction, with a frequency of 200Hz, the error caused is less than ± 0.05% of the maximum range, and the range code 2 (micro differential pressure) is ± 0.25%
● Power supply impact	Less than 0.005%/V of the output range
● Load impact	When the power supply is stable, there is no load impact
● Installation location impact	The maximum zero point error that can be generated is 0.24 kPa, but it can be calibrated and has no impact on the measurement range
● Accuracy	See the table below

Model and name	measurement range	precision	stability
1151DP Low, medium, and high differential pressure transmitter	0-1.24 kPa to 186.45 kPa (Range codes 3, 4, 5)	±0.2％	<0.1% FS/year
1151DP Large differential pressure transmitter	0-117.21 kPa to 6890 kPa (Range codes 6, 7, 8)	±0.25％	<0.1% FS/year
1151HP High static pressure differential pressure transmitter	0-6.22 kPa to 2070 kPa (Range codes 4, 5, 6, 7)	±0.25％	<0.1% FS/year
1151GP Pressure transmitter	0-1.24 kPa to 41370kPa (Range code 3-0)	±0.25％	<0.1% FS/year
1151GP/DP Remote differential pressure transmitter	0-6.22 kPa to 6890 kPa (Range codes 4, 5, 6, 7, 8)	±0.5％	<0.25% FS/year
1151AP Absolute pressure transmitter	0-6.77 kPa to 6890 kPa (Range codes 4, 5, 6, 7, 8)	±0.25％	<0.1FS%/year
1151DR Micro differential pressure transmitter	0-0.12 kPa to 1.49 kPa (Range code 2)	±0.5％	<0.25% FS/year

● Temperature impact At the maximum range, Change every 28 ℃	Range code Or name	Accuracy class
	Range code Or name	Level 0.2	0.25 level	Level 0.5
	2	/	/	≤±0.54%/
	3	≤±0.20%	≤±0.30%	≤±0.45%
	4. 5, 6, 7, 8	≤±0.20%	≤±0.20%	≤±0.30%
	Remote transmission, liquid level	/	/	≤±0.60%
●Static pressure influence (At maximum range)	Range code Or name	Accuracy class
	Range code Or name	Level 0.2	0.25 level	Level 0.5
	2	/	/	≤±1%
	3	≤±0.2	≤±0.5%	≤±0.6%
	4. 5, 6, 7, 8	≤±0.20%	≤±0.30%	≤±0.6%
	4. 5, 6, 7 (high static pressure)	/	≤±2%	≤±2.5%

※performance metrics
● Structural materials	Isolation membrane: 316 stainless steel, Hastelloy C, Monel alloy, Tantalum O-ring (medium contact area): Fluororubber Flange: 316 stainless steel Filling fluid: silicone oil or inert oil Electrical casing: polyurethane baked paint low copper cast aluminum alloy
● Pressure connector	The connecting screw hole on the pressure chamber is 1/4NPT, and the connecting screw hole on the impulse joint is 1/2NPT. The center distance is shown in the external dimension drawings of various models The signal cable connection screw hole is M20 × 1.5
● Shell protection level	IP65
● Weight	4.2kg (excluding options, except for flanged transmitters)

«FB1151APType Absolute Pressure Transmitter Selection Table

FB1151AP	Absolute pressure transmitter
┆	code name	Measurement range (kPa)
┆	4	0－6.22～37.29
┆	5	0－31.08～186.45
┆	6	0－117.21～689.48
┆	7	0－345～2068
┆	8	0－1170～6890
┆	┆	code name	output
┆	┆	E	4～20mADC
┆	┆	S	Intelligent 4-20mADC two-wire system+fieldbus HART protocol
┆	┆	┆	code name	Structural materials
┆	┆	┆	code name	flange joint		Exhaust/Drain Valve	Isolation membrane		Fill with liquid
┆	┆	┆	22	316 stainless steel		316 stainless steel	316 stainless steel		silicone oil
┆	┆	┆	23	316 stainless steel		316 stainless steel	Hastelloy C
┆	┆	┆	24	316 stainless steel		316 stainless steel	Monel
┆	┆	┆	25	316 stainless steel		316 stainless steel	Tantalum
┆	┆	┆	33	Hastelloy C		Hastelloy C	Hastelloy C
┆	┆	┆	44	Monel		Monel	Monel
┆	┆	┆	┆	code name	Options
┆	┆	┆	┆	M1	0-100% linear indicator head
┆	┆	┆	┆	M3	3 1/2LCD digital display header
┆	┆	┆	┆	B1	Pipe bending bracket
┆	┆	┆	┆	B2	Board mounted bending bracket
┆	┆	┆	┆	B3	Pipe mounted flat bracket
┆	┆	┆	┆	D0	The relief valve is located at the rear of the pressure chamber
┆	┆	┆	┆	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
┆	┆	┆	┆	C1	1/2NPT pressure transition joint rear welded with a φ 14 pressure pipe
┆	┆	┆	┆	C2	T-shaped threaded joint M20 × 1.5
┆	┆	┆	┆	C3	1/2NPT taper pipe female threaded joint
┆	┆	┆	┆	d	Explosion proof ExdIICT6
┆	┆	┆	┆	i	Intrinsically safe ExiaICT6
FB1151AP	8	E	22	M1	(Factory range)			Example of transmitter selection

Note: When placing an order, the factory range must be specified. If not specified, the highest rated range shall be used for factory delivery.

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