Single Flange Differential Pressure Transmitter

YK-A60-DF

Single Flange Differential Pressure Transmitter

In operation, a single-flange differential pressure transmitter transmits process pressure from both high- and low-pressure side isolation diaphragms through fill fluid to a central fill fluid chamber, which then conveys the differential pressure to the sensing diaphragm of a δ-cell sensor. This sensing diaphragm is a taut elastic element whose displacement varies proportionally with applied differential pressure (for GP gauge pressure transmitters, atmospheric pressure acts on the low-pressure side; for AP absolute pressure transmitters, the low side maintains a fixed reference pressure). Maximum diaphragm deflection is 0.004 inches (0.10 mm), and this displacement is linearly converted by capacitor plates and amplifier circuitry into a standard two-wire 4–20 mA DC current signal, voltage output, or digital HART signal.

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technology parameter

Structure Type	Integrated Type	Mounting Method	Flanged Type
Housing Material	SUS304, SUS316, Cast Aluminum Alloy	Flange Material	SUS304, SUS316
Diaphragm Material	316L, Hastelloy C-276, Hastelloy C, Tantalum	Ambient Temperature	-25 ～ 70℃
Process Temperature	0-100℃	Measurement Range	0-100kPa 5-500kPa
Accuracy	±0.075%	Electrical Connection	M20×1.5 (customizable)
Output Signal	4～20mA, HART Protocol, RS485	Ingress Protection Rating	IP65, IP66
Certifications	Intrinsic Safety, Explosion-proof	Power Supply	24VDC

Selection

Measurement Task
Temperature Range

A:≤80℃; B:≤120℃; C:≤200℃; D:≤300℃; E:≤400℃;
Span

A:-10–1kPa; B:0–5kPa; C:0–10kPa; D:0–50kPa; E:0–100kPa; F:0–1.6MPa; G:0–2.5MPa; H:0–3.2MPa; J:0–10MPa; Z:Customized;
Wetted Parts Material

A:316L; B:Hastelloy; C:Tantalum (TAN);
Output Signal

A:4–20mA;
Process Connection Size

A:DN20; B:DN25; C:DN32; D:DN40; E:DN50; F:DN65; G:DN80; H:DN100; V:M20×1.5; P:1/2NPT; S:G1/2; Z:Other;
Accuracy Class

A:0.075%F.S; B:0.1%F.S; C:0.25%F.S; D:0.5%F.S;
Explosion-Proof Rating

A:Standard; B:Explosion-proof; C:Intrinsically Safe;
Electrical Conduit Entry Size

A:M20×1.5; B:G1/2 NPT internal thread; C:1/2 NPT internal thread; D:Other;
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