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SF26-2525 visual fluid flow measurement and control device



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Overview

•Visualize the working status of fluid and flow components at a glance;

•Digitization, digital display of measurement results;

•Easy to maintain, flange connection is installed for the first time, and subsequent maintenance and replacement only require threaded connections without the need for tools to complete disassembly and assembly;

•Suitable for water and oil media;

•Protection rating IP65



Dimensional drawingConnection & pin assignment


General information


Sensor 

Range of application

Flow Rate Range

Pipe Size Range

Sensor Body

Rotor Pin

Transmitter 

Case Material

Window 

Keypad 

Display

Indicators

Update rate.

LCD Contras


Water; oils 

0.5... 6 m/s

DN25 to DN300 (1 in. to 12 in.)  

316 SS (ACI type CF-8M per ASTM A351), DIN 17440

Tungsten Carbide GRP 1 or 316 SS


PBT

Shatter-resistant glass

4 buttons, injection-molded silicone rubber seal

Backlit, 7- and 14-segment

"Dial-type" digital bar graph

1 s

5 settings


Electrical data


Frequency

Amplitude

Source Impedance

Coil Inductance

Power to Sensors

Voltage

Current

 

Short Circuit

Isolation

39 Hz per m/s (12 Hz per ft/s) nominal

5 to 8 mV p-p per Hz

11.6 KΩ

3.5 Henrys @ 25 °C

 

+4.9 to 5.5 VDC @ 25 °C, regulated

1.5 mA max in loop power mode;20 mA max when using DC power

Protected

Low voltage (< 48 V AC/DC) to loop with DC power connected

No isolation when using loop power only


Output


Current Loop Out

Span

Zero


Full Scale


Accuracy

Resolution

Temp. Drift

Power Supply Rejection

Isolation

Voltage

Max. Impedance

 

 

Update Rate

Short circuit and reverse polarity protected

Adjustable span,

Error Condition


ANSI-ISA 50.00.01 Class H

3.8 to 21 mA

4.0 mA factory set; user programmable from 3.8 to 4.2 mA

20.00 mA factory set; user programmable from 19.0 to 21.0 mA

± 32 μA max. error @ 25 @ 24 VDC

6 μA or better

± 1 μA per °C

± 1 μA per V

Low voltage (< 48 VAC/DC)

10.8 to 35.2 VDC

250 Ω @ 12 VDC

500 Ω @ 18 VDC

750 Ω @ 24 VDC

100 mS nominal

 

reversible

Selectable error condition 3.6 or 22 mA.


Ambient conditions


Backlit LCD

Storage Temp

Operating Temperature ......

Relative Humidity

 

Maximum Altitude

 

Enclosure Rating

-10 to 70 (14 °F to 158 °F)

-15 to 70 (5 °F to 158 °F)

-18 to 149 (0 °F to 300 °F F)

0 to 100% condensing for Field and Panel Mount (front only); 0 to 95% non-condensing for Panel

4,000 m (13,123 ft); use only DC power supply to maintain UL safety standard up to this altitude

Designed to meet NEMA 4X/IP65


Type codes



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