YK-A60-15

Low Differential Pressure Transmitter

The micro differential pressure transmitter (DR) is designed for measuring minute pressure differences in industrial applications such as oil pipelines, hydropower, rail transport, smart buildings, and aerospace, and is also widely used in HVAC systems, cleanrooms, wastewater treatment, and building automation; it operates by applying process pressure to a sensor diaphragm, causing a tiny displacement that alters resistance, which is then converted via electronic circuitry into standard outputs like 4–20 mA or 0–5 V; with a range of ±50 Pa to 100 kPa, ±0.5% FS accuracy, 24 V DC power supply, overpressure tolerance up to 3× full scale, operating temperature of –20 °C to 85 °C, IP65 protection, variable capacitance sensing technology, optional LCD display, wetted parts made of 316 stainless steel or Hastelloy, and support for HART and RS485 communication, it requires horizontal mounting and periodic calibration for reliable differential pressure monitoring of liquids, gases, and steam.

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technology parameter

Structure Form	Integrated Type	Mounting Method	Thread, Bracket
Housing Material	SUS304, SUS316, Cast Aluminum Alloy	Fastener Material	SCM435, SUS630, SUH660
Diaphragm Material	SUS316L, Hastelloy C-276, Tantalum, Monel	Ambient Temperature	-25 ~ 70℃
Process Temperature	-25 ~ 100℃	Applicable Pressure	±50Pa-100kPa
Accuracy	±0.075%	Electrical Interface	M20×1.5 (Negotiable)
Output Mode	4~20mA, HART Protocol, RS485	Protection Grade	IP65, IP66
Certification	Intrinsically Safe, Flameproof	Power Supply Voltage	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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