*mydirectindustry

Catalogs
Sitron
SPS71 Intelligent Pressure Switch

SPS71 Intelligent Pressure Switch

Product catalog summary

Overview
The SPS71 pressure switch is an intelligent digital device designed for pressure measurement and control. It integrates pressure measurement, display, output, and control in a fully electronic structure. The device uses a piezoresistive silicon pressure sensor, with the output signal processed by a high-precision, low-temperature drift amplifier, and a high-precision A/D converter. The microprocessor processes the signal for display and control system pressure measurement.

Features

High precision and adjustable response time.
Compatible with NPN, PNP, and 4~20mA outputs.
Button operation with a shortcut for zero calibration and fast switching.
OLED display for current pressure and LED indicators for node action.

Applications

Hydropower
Chemical industry
City water supply
Scientific research
Accurate fluid pressure measurement and control

Performance Parameters

Pressure range: 0〜10kPa to 60MPa (0~0.1 to 600 Bar)
Overpressure: 150~300% F.S.
Accuracy: 0.2, 0.5 %FS
Supply: 12 - 30V, 24V recommended
Display: 4-digit OLED
Output: 2-way switch, NPN and PNP compatible / 4~20mA
Load capacity: ≤24V 1.2A
Power consumption: ≤15mA
Operating temperature: -25°C to 80°C
Storage temperature: -40°C to 100°C
Response time: ≤20ms
Insulation: 100MΩ/250VDC
Protection: IP65

Structural Performance Parameters

Housing material: 304 stainless steel
Medium compatibility: Liquid contacting diaphragm 316L, pressure port 304

Process Connections

M20x1.5 / G1/2 / G1/4 / NPT1/4 / 7/16-20 UNF

Wiring Method

M12×1 wiring with definitions for VCC, SP1, SP2, GND, and 4~20mA

Pressure Range and Reference

Various pressure ranges from 0〜10kPa to 0〜60MPa with corresponding overpressure and burst pressure percentages.
Note: G for Gauge pressure, A for Absolute pressure, S for Sealed gauge pressure.

Catalog excerpts

SPS71 Intelligent Pressure SwitchFeatures - High precision. - Adjustable response time. - NPN, PNP compatible, free switching and 4~20mA. - Button operation, shortcut button for zero calibration fast switching. - OLED shows current pressure - LED for node action, easy to observe Applications - Hydropower. - C hemical industry. - City water supply. - Scientific research - Accurate measurement and control of pressure of fluids SPS71 pressure switch is an intelligent digital product for pressure measurement and co n t rol wich integrates pressure measurement, display, output and control. Th e product is in full electronic structure. Piezoresistive silicon pressure sensor is adopted in the front end. The output signal is processed by the amplifier of high precision and low temperature drift, and then sent into high precision A/D converter. Through arithmetic processing by microprocessor, the output signal is displayed on site with 2-way switch output, accomplishing the measurement of the pressure of control system. SPS71 has advantages of flexible use, simple operation, easy commisioning and high safety and reliable. It is widely used in hidropower, tap water, petroleum, chemical, mechanical, hidraulic and other industries for the measurement, display and control of pressure fluids Sitron - Brasil Sitron - USA R. Baronesa de Itu, 83 1800 Prime Place Sao Paulo - SP - 01231-001 Hauppauge, NY 11788 T: (5511) 3825-2111 ph: 516-935-8001 E: (5511) 3825-2171 px: 800-516-1656 www.sitron.com BRASIL: [email protected] USA / Other Countries: [email protected]

Open the catalog to page 1

Technnical specifications Performance parameters

Open the catalog to page 2

Wiring deﬁnition Wiring diagram Pressure range Pressure reference Pressure range Note: G: Gauge pr essure, A: Absolute pressu

Open the catalog to page 3

All Sitron catalogs and technical brochures

Archived catalogs

*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

Brand list