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HFT 3100 with HART interface is a compact flow rate transmitter with intrinsically safe specially developed for applications in hydraulic systems and other fluid power systems. The double approval in accordance with ATEX and IECEx enables universal, almost world-wide utilization of the devices in potentially explosive atmospheres.

The current flow is determined by means of a sensor according to the turbine principle In addition with the analogue 4-20 mA output of the measured value, digital communication is possible by means of the HART protocol.

The main fields of application are in the oil & gas industry, gas turbines. The device is also used in mining applications as well as in areas with high dust loads.

Two Additional threaded bore holes in the turbine housing provide the flow rate transmitter with Additional connection options, e.g. for temperature and pressure sensors.
Unit of Measure

Features

Features

 N/A Protection types and applications:

ATEX

I M1 Ex ia I Ma

II 1G Ex ia IIC T6,T5 Ga

II 1/2 G Ex ia IIC T6,T5 Ga/Gb

II 2 G Ex ia IIC T6,T5 Gb

II 1D Ex ia IIIC T85 ºC/T95 ºC Da

IECEx

Ex ia I Ma

Ex ia IIC T6,T5 Ga

Ex ia IIC T6,T5 Ga/Gb

Ex ia IIC T6,T5 Gb

Ex ia IIIC T85/T95 ºC Da

Specifications

Model Code Description

 N/A HFT 31B6-F21-0600-S-3-EN1-000

Industry Standards/Certifications

 N/A CE Mark: EN 61000-6-1 / 2 / 3 / 4, EN 60079-0 / 11 / 15 / 26 / 31, EN 50303

Output Signal

 N/A 4 to 20 mA with HART

Type

 N/A Hazardous Rated Flow Meter

Mechanical Connection Type

 N/A SAE-24 (1 7/8-12 UN 2B), Female

Weight

 N/A 15.4 lb

Housing Material

 N/A Stainless Steel 1.4404

Wetted Material

 N/A Stainless Steel 1.4404, 1.4460, Tungsten Carbide

Electrical Connection

 N/A Male, M12 x 1, 4 Pole

DC Power Supply Voltage

 N/A 12 to 30 V

Accuracy

 N/A ≤ 2% of the Actual Value

Vibration Resistance According to DIN EN 60068-2-6 at 10 to 500 Hz

 N/A ≤ 10 g

Pin Connection 1

 N/A Signal +

Pin Connection 2

 N/A Not Connected

Pin Connection 3

 N/A Signal -

Pin Connection 4

 N/A Not Connected

Current Consumption

 N/A ≤ 25 mA

Residual Ripple of Supply Voltage

 N/A According to FSK Physical Layer Specification (HCF_SPEC_054) %

Measuring Medium

 N/A Hydraulic Oil, Water Based Fluid

Max. Operating Pressure

 N/A 6090 psi

Storage Temperature Range

 N/A -40 to 100 ºC

Degree of Protection

 N/A IP 67

Torque Value

 N/A 290 N·m

Measuring Range

 N/A 10.6 to 159 gpm

Viscosity Range

 N/A 1 to 100 cSt

Calibration viscosity

 N/A 30 cSt

Note

N/A Additional connection options with 2 x SAE-6 female threads for pressure and/or temperature sensors.