Shanghai Yinuo Instrument Co.,Ltd

SF Serials Intelligent Flow Integrating Instruments (SFI) with auto-compensation and accumulating calculation is applicable in the measurements for various liquids, vapors, natural gas and ordinary gases. It has been widely used for flow-controlling with accumulating calculation in the fields of biology, oil, chemical engineering, metallurgy, electric power, pharmacy, food engineering, energy managing, mechanical engineering, aviation and astronautics.

SF Serials Intelligent Flow Integrating Instruments (SFI) adopts single-chip microprocessor for controlling as to increase greatly the system stability, reliability and security.

SF Serials Intelligent Flow Integrating Instruments (SFI) has kinds of signal-input functions as to connect with various differential pressure flow sensors, pressure flow sensors and frequency flow sensors (such as eddy street, turbine, orifice flow sensors).

SF Serials Intelligent Flow Integrating Instruments (SFI) adopts advanced microcomputer technique as to meet various compensating methods of different primary instruments.

SF Serials Intelligent Flow Integrating Instruments (SFI) is programmable for easy mastering and has complete functions, which can automatically compensate pressure and temperature, for universal uses.

SF Serials Intelligent Flow Integrating Instruments (SFI) can modify arbitrarily the signal types of input channels by setting the internal parameters.

SF Serials Intelligent Flow Integrating Instruments (SFI) supports multi-machine communication since it has kinds of standard serial output with communicating baud rate of 300～9600bps. The instrument can communicate, by arbitrary setting internal parameters, with various devices carrying serial input/output (such as computer, programmable controller, PLC) to form energy computation and managing system. It can conveniently extend to net managing of multi SFI with the upper computer, by means of combining with SF series Career configuration software of industrial control.

SF Serials Intelligent Flow Integrating Instruments (SFI) can directly connect with micro serial printer to realize prompt and timing printing for transient flow measured value, time, current accumulated flow value, full 11digits accumulated flow value, input value of flow (differential pressure, frequency), input value of pressure compensation and input value of temperature compensation.

SF Serials Intelligent Flow Integrating Instruments (SFI) possesses very wide display range. It can display full 5 digits of measured value of transient flow（0～99999 bit）and full 11 digits of measured value of accumulated flow (0～99999999999 bit). It can accumulate flow to the accuracy of 0.001. it can make the maximum accumulated value to 999999999.99×100 by setting the internal parameters.

SF Serials Intelligent Flow Integrating Instruments (SFI) adopts the all-digit auto-adjusting function of computer so that there is no movable part to make it certain that the system will operate reliably and without accident.

SF Serials Intelligent Flow Integrating Instruments (SFI) calculates by means of checking tables to automatically control, by accumulate and calculate, overheat steam and saturated steam in very high accuracy.

SF Serials Intelligent Flow Integrating Instruments (SFI) can, according to parameter setting, automatically calculate out the flow coefficient K so as to make parameter setting more convenient and accurate.

SF Serials Intelligent Flow Integrating Instruments (SFI) can select high-light LED display or large screen Chinese LCD display with back-light so as to clearly display the current measured values under any light background.

SF Serials Intelligent Flow Integrating Instruments (SFI) has been certisfied by international quality management system with ISO 9001.

SF Serials Intelligent Flow Integrating Instruments (SFI) can automatically calculate and accumulate mass flow. SF Serials Intelligent Flow Integrating Instruments (SFI) can automatically calculate and accumulate standard volume flow. SF Serials Intelligent Flow Integrating Instruments (SFI) can display simultaneously transient flow measured value and accumulated flow value, the unit of which can be set arbitrarily. SF Serials Intelligent Flow Integrating Instruments (SFI) display can be switched between transient flow measured value, time, current accumulated flow value, full 11 digits of overall accumulated flow value, input value of flow（differential pressure or frequency）, input value of pressure compensation and input value of temperature compensation.SF Serials Intelligent Flow Integrating Instruments (SFI) can set the function of cutting out small flow signal, i.e., if the input value of flow（differential pressure or frequency）is less than the set value the current flow will be displayed as zero. SF Serials Intelligent Flow Integrating Instruments (SFI) can set the function of quantitative controlling flow, i.e., if the overall accumulated flow value is more than or less than the set value a controlling signal will be output. SF Serials Intelligent Flow Integrating Instruments (SFI) can automatically compensate temperature and pressure. SF Serials Intelligent Flow Integrating Instruments (SFI) can select by programming the following types of sensors.

ALARMING METHOD

INPUT SIGNALS

Analog Input：Resistance — PT100

Voltage—0～5V, 1～5V or mV

Current—0～10mA, 4～20mA or 0～20mA

Thermocouple— K，E

Pulse Input: Wave—Rectangular, sine or triangle wave

Amplitude—More than 4V（or specified by user）

Range—0～5KHz

Switch Input： Start, stop or reset

Amplitude—Input isolated by Photoelectric Generator >4V

OUTPUT SIGNALS

Analog Input:0～10mA, 4～20mA, 0～5V, 1～5V

Switch Input:Relay controlling output（AC220V/3A, .DC24V/5A, .resistance load）

SCR(silicon controlled) output 400V/0.5A

SSR(solid relay) output 6～9V/50mA

Feed output: DC24V/30mA

Communication：bi-wiring, trio-wiring or quad-wiring systems，baud rate is changeable

PRECISION

Display precision for measuring：0.2%FS±1 digit or .5%FS±1 digit

Transforming precision for frequency：±1 pulse （LMS）, better than 0.2%

DISPLAY METHOD

0～9999 display instant flow measured value

0～9999999999 display accumulated flow value

1999～9999 display measured value of temperature compensation

1999～9999 display measured value of pressure compensation

1999～9999 display measured flow, pressure or frequencyvalue, display date and time

Display LED working state (high-light LED display or LED display with backlight)

CONTROLLING METHOD ON/OFF with back-difference

PRINT CONTROLLING Directly connect with various types of serial micro-printer. Communicating method is RS-232.

PRINT PRECISION The same as the measuring precision of instrument.

ALARMING METHOD

Can select the alarm output of relay high and low limit with LED indicating alarm..

QUANTITATIVE CONTROLLING METHOD

Can select relay controlling with LED indicating output when the getting the set flow value. Can select relay controlling quantitative flow process with LED indicating output.

ALARM PRECISION ±1 digit

COMMUNICATING METHOD

Bi-directional serial communicating, such as RS-232, RS-422, RS-485 and so on.

The baud rate(300～9600bps) can be arbitrarily set by setting internal parameter.

The system adopts principal and subordinate communicating method as to realize communicating of multi SF instruments with microcomputers

SETTING METHOD

Faceplate key touching setting digits. Keep set values permanently if power is broken. Lock set parameters by password.

PROTECTTING METHOD

Auto reset by programming if the voltage is too low. Auto reset by programming if the operation is abnormal(Watch Dog). Since power is broken keep the accumulated flow value for more than two years and keep set parameters permanently.

USING ENVIRONMENT

Ambient temperature: 0~50℃

Relative humidity: ≤85%RH

Power supply: .AC 220V+10-15% (50Hz±2Hz)

AC 90~260V——switch power

DC 24V±2V——switch power

Get rid of strong corrosive gas

POWER CONSUMPTION:

·≤ 5W (AC 220V power supply)

·≤ 4W (AC 90~260V switch power supply)

·≤ 4W (DC 24V power supply)

STRUCTURE Standard Inserting Type

WEIGHT . 500 g ( AC 220V power supply )

. 300 g ( Switching power supply )

Company:	Shanghai Yinuo Instrument Co., Ltd.
Address:	No.7508 North Jiasong Road, Huangdu Town, Jiading District, Shanghai
Postcode:	201804
Tel:	0086-21-5959 8313 0086-21-5959 8312
Fax:	0086-21-5959 8113
Website:	http://www.yinuochina.com
E-Mail:	shynyb@yahoo.com.cn 59598312@163.com
Mobile Phone:	0086-137 8890 0279
Contacter:	Steven Shao （Sales Manager）邵仲文