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Xi'an Yunyi Instrument Co., Ltd.
Relative pressure transmitter

Relative pressure transmitter

Product catalog summary

Overview: The document provides technical specifications and operational guidelines for a digital pressure transmission control instrument developed by Xi'an Yunyi Instrument Company Limited. This instrument integrates pressure measurement, display, analog transmission output, and alarm output, utilizing pressure sensors imported from the United States and an intelligent microcontroller.

Main Features:

High measurement accuracy and compact structure.
Suitable for industrial automation, petrochemical, municipal engineering, and building automation.

Technical Specifications:

Working Power Supply: AC85~260V/DC24V
Power Consumption: Less than 3W
Sampling Rate: 3 times/second
Measurement Accuracy: 0.1% FS, 0.2% FS, 0.5% FS
Feed Output: DC24V (25mA)
Constant Current Source Output: 0.82-2.48mA
Temperature Drift: ≤ 0.02% FS
Display Range: -1999~9999
Overlimit Display: "EEEE"
Display: 0.56 inch red 4-digit digital tube
Contact Capacity: AC220V 3A
Usage Environment: 0~+70°C; ≤ 85% RH

Wiring Instructions:

Yellow: 4-20mA analog output+
Green: 4-20mA analog output-
Black: Power supply line 24- (AC220V for 220V power supply)
Red: Power supply line 24+ (AC220V for 220V power supply)
Orange: First switch signal
Brown: Second switch signal

Ensure wiring is done according to the indicated positions on the case.

Operational Settings:

Relay Alarm Values: Power on the transmitter, press "SET", change "0000" to "2002", and press "SET" to enter the settings menu.
Transmission Output Setting: Power on the transmitter, press "SET", change "0000" to "1001", and press "SET" to enter the settings menu.

Catalog excerpts

XI'AN YUNYI INSTRUMENT COMPANY LIMITED 1.Pressure Transmi�er 4.Dead Weight Tester 7.Temperature Transmi�er 2.Pressure Gauge 5. Level Transmi�er 8.Density Meter

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Digital pressure transmission control instrument 6>Constant current source output: 0.82-2.48mA 7>Temperature drift: ≤ 0.02% FS/ (typical value of 100ppm/ )8>Display range: -1999~9999 9>Overlimit display: "EEEE" 10>Display digital tube: 0.56 inch red 4-digit 11>Contact capacity: AC220V 3A 12>Usage environment: 0~+70 ; ≤ 85% RH Wiring diagram Descrip�on This pressure transmission control instrument adopts pressure sensors imported from the United States, with an intelligent microcontroller as the control core. It is a highly integrated product that integrates pressure measurement, display, analog...

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Relative pressure transmitter

Relative pressure transmitter

Catalog excerpts

All Xi'an Yunyi Instrument Co., Ltd. catalogs and technical brochures