Hycontrol Vf05 Owner's manual

Issue 3

AH0123

1 / 41

VF05

VF05 2-WIRE GUIDED (TDR)

LEVEL TRANSMITTERS

USER AND PROGRAMMING MANUAL

(INCLUDES ATEX OPTION)

Hycontrol Ltd, Larchwood House, Orchard Street,

Redditch, Worcestershire, UK. B98 7DP

Tel: +44 (0)1527 406800 Fax: +44 (0) 1527 406810

Email: [email protected] Web: www.hycontrol.com

Company registered in England No: 1755684

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LEVEL MEASUREMENT TECHNICAL CONCEPTS

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CONTENTS 
INTRODUCTION ...........................................................................................................................................................4 
ORDER CODES (NOT ALL COMBINATIONS POSSIBLE) ...................................................................................................4 
1. VF05 -WITH CABLE PROBE .....................................................................................................................................................4 
2. VF05 -WITH ROD PROBE .......................................................................................................................................................5 
3. VF05 –WITH ROD PROBE OR COAXIAL ROD PROBE ......................................................................................................................5 
4. ACCESSORIES........................................................................................................................................................................5 
TECHNICAL DATA.........................................................................................................................................................6 
1. GENERAL.............................................................................................................................................................................6 
2. PROBE PROPERTIES................................................................................................................................................................6 
3. COATED PROBE PROPERTIES ....................................................................................................................................................7 
4. DIMENSIONS........................................................................................................................................................................8 
5. ATEX INFORMATION (FOR PRODUCTS CODES ENDING WITH EX).....................................................................................................9 
5.1. ATEX General ............................................................................................................................................................9 
5.2. ATEX nameplate........................................................................................................................................................9 
5.3. ATEX Intrinsically safe protection (Ex ia)...................................................................................................................9 
5.4. Temperature limit data for ATEX (Ex ia) approved models.....................................................................................10 
5.5. ATEX explosive dust protection (Ex t)......................................................................................................................10 
5.6. Temperature limit data for ATEX (Ex t) approved models ......................................................................................10 
6. CONDITIONS FOR SAFE USE (INCLUDES ATEX)..........................................................................................................................11 
7. MAINTENANCE AND REPAIR..................................................................................................................................................11 
INSTALLING ...............................................................................................................................................................12 
1. HANDLING AND STORAGE.....................................................................................................................................................12 
2. MOUNTING ON CONTAINERS.................................................................................................................................................12 
2.1. General mounting instructions ...............................................................................................................................12 
2.2. Installing the Device for Measuring Solids ..............................................................................................................14 
3. WIRING ............................................................................................................................................................................15 
3.1. Design of the measuring network in non-explosive environments .........................................................................15 
3.2. Connection in explosive environment .....................................................................................................................16 
3.3. BUS (HART®) communication ..................................................................................................................................16 
4. SWITCHING ON AND COMMISSIONING ....................................................................................................................................16 
5. AVAILABLE USER INTERFACES ................................................................................................................................................16 
PROGRAMMING........................................................................................................................................................17 
1. PROGRAMMING WITH HYVIEW..............................................................................................................................................17 
1.1. Installing and Running HyView ...............................................................................................................................17 
1.2. Programming and Configuring the Device..............................................................................................................21 
1.3. Programming Examples using HyView ...................................................................................................................32 
2. PROGRAMMING WITH THE VGF-DISPLAY UNIT.......................................................................................................................33 
2.1. VGF-DISPLAY Unit ...................................................................................................................................................33 
2.2. The Behaviour of the VF05 while Programmed Manually ......................................................................................33 
2.3. Manual Programming.............................................................................................................................................33 
3. PROPERTIES OF VF05 TWO-WIRE MICROWAVE LEVEL TRANSMITTER ...........................................................................................35 
3.1. Level Measurement –Level reflection, Threshold Line and Automatic Gain Adjustment.......................................35 
3.2. To illustrate the five possible configurations, the following fluid level measurement settings are assumed .........36 
3.3. Echo Loss Handling .................................................................................................................................................36 
3.4. Typical Signal Forms ...............................................................................................................................................38 
4. TROUBLESHOOTING.............................................................................................................................................................39 
 
 
 

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Thank you for choosing a HYCONTROL instrument.

We are sure that you will be satisfied throughout its use!

1. INTRODUCTION

Application

The VF05 two-wire guided microwave level transmitter measures the distance to the surface of liquids, solids and granules, from which the device calculates and

transmits the level, volume, or weight values as required.

The device can be used in storage and reaction tanks, rigid pipelines of suitable diameter and level reference vessels. The device can also be used with HART®

compliant HyView software or PACTware.

Operating Principle

The VF05 measurement method is based on TDR (Time Domain Reflectometry) analysis of the electromagnetic pulse travelling along the probe. The device sends

nanosecond-wide, low-power pulses along an electrically conductive rod, cable, or coaxial supply line at a known rate of light propagation speed. If the electromagnetic

pulse propagating along the conductor reaches a medium boundary with a different (r) dielectric constant (the surface of the measured medium or the phase boundary

of two liquids), some of the energy is reflected from there. The larger and sharper the (r) dielectric constant change at the boundary of the media, the better the

efficiency of the reflection (e.g., 80% of the energy is reflected from a flat air-water boundary).

The pulse is detected and processed by the device as a voltage signal. Since the propagation speed is known, the distance of the reflecting surface can be determined

by measuring the travel time of the pulse. The travel time is the time taken between sending the start of the pulse and the arrival of the reflected pulse which is

equivalent to twice the distance from the probe to the target. The device calculates the distance from the measured time and converts it into an electric signal

proportional to the distance, an output current of 4…20 mA, and provides a HARToutput signal and displays it on the optional display. Other derived quantities

(volume, weight, etc.) can also be obtained from the distance data using the device software. The advantage of the described measurement technology compared to

other level measurement methods is that dust, foam, steam or surface turbulence have no disturbing effect.

2. ORDER CODES (NOT ALL COMBINATIONS POSSIBLE)

2.1. VF05 -WITH CABLE PROBE

VF05

Ex*

2-wire guided microwave level transmitter

Version /

Temperature

Code

Probe / Process connection

Code

Housing

Code

Probe

length (4)

(x 10m)

Code

Probe

length (4)

(x 1m)

Code

Probe

length (4)

(x 0.1m)

Code

Output

Code

Transmitter (1)

Mono cable,

4 mm, 316

1" BSPP (G1)

Aluminium

4…20 mA + HART®

1" NPT

High-temperature

transmitter (2)

1½" BSPP (G1½)

Stainless

steel

0 m

4…20 mA + HART® /

Ex ta/tb IIIC (ATEX)

1½" NPT

10 m

1 m

0.1 m

Transmitter +

display(1)

1½" TriClamp

20 m

2 m

0.2 m

4…20 mA + HART® /

Ex ia IIIC (ATEX)

2" TriClamp

30 m

3 m

0.3 m

High-temperature

transmitter + display

(2)

Mono cable,

8 mm, 316

1½" BSPP (G1½)

4 m

0.4 m

4…20 mA + HART® /

Ex ia IIC/IIB (ATEX)

1½" NPT

5 m

0.5 m

Twin cable, 2x

4 mm, 316

1½" BSPP (G1½)

6 m

0.6 m

4…20 mA + HART® /

Ex ta IIIC (ATEX)

1½" NPT

7 m

0.7 m

Mono cable,

Ø4 mm, FEP-

coated (3)

1" BSPP (G1)

8 m

0.8 m

4…20 mA + HART®

+ Relay

1" NPT

9 m

0.9 m

TriClamp 1½"

Sanitary DN40

Mono cable, Ø4 mm, + PFA/FEP

fully coated / DN50, PN25, 316Ti

+ PFA/FEP lining

* Ex versions are marked "Ex" right after the type designation on the label.

(1) Flange temperature max. +90 °C (+194 °F)

(2) Flange temp. max. +200 °C (+392 °F) (“M” type only up to +150 °C [+302 °F])

(3) Only the cable probe is coated

(4) Max. cable length is 30 m (100 ft)

Standard seal material is FPM (Viton) up to 200°C

Special seals (5)

EPDM up to 150°C

FFKM Perfluoroelastomer (Kalrez6375) up to 275°C

(5) The above special seals are ordered separately and must be specified in the text part of the order.

ATEX Note: - Devices with a display must NOT be operated in an “Ex ia IIC” environment

Devices with Plastic coated probes must NOT be operated in an “Ex ia IIC” environment

Refer to pages 10 & 11 for ATEX temperature limits

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2.2. VF05 -WITH ROD PROBE

VF05

Ex*

2-wire guided microwave level transmitter

Version /

Temperature

Code

Probe / Process connection

Code

Housing

Code

Probe

length (4)

(x 10m)

Code

Probe

length (4)

(x 1m)

Code

Probe

length (4)

(x 0.1m)

Code

Output

Code

Transmitter (1)

Mono rod, ∅8

mm, 316Ti

1" BSPP (G1)

Aluminium

4…20 mA + HART®

1" NPT

High-temperature

transmitter (2)

1½" TriClamp

Stainless

steel

0 m

4…20 mA + HART® /

Ex ta/tb IIIC (ATEX)

Twin rod, 316Ti

1½" BSPP (G1½)

1 m

0.1 m

Transmitter +

display(1)

1½" NPT

2 m

0.2 m

4…20 mA + HART® /

Ex ia IIIC (ATEX)

Mono rod

PFA-coated

1½" TriClamp

PFA-coated

3 m

0.3 m

High-temperature

transmitter + display

(2)

0.4 m

4…20 mA + HART® /

Ex ia IIC/IIB (ATEX)

DN50, PN25,

316Ti flange,

PFA-coated

0.5 m

0.6 m

4…20 mA + HART® /

Ex ta IIIC (ATEX)

0.7 m

Mono rod + PP-coated / DN50,

PN25, 316Ti + PP lining (3)

0.8 m

4…20 mA + HART®

+ Relay

0.9 m

* Ex versions are marked "Ex" right after the type designation on the label.

(1) Flange temperature max. +90 °C (+194 °F)

(2) Flange temp. max. +200 °C (+392 °F) (up to +150°C [+302 °F] with plastic-coated probes)

(3) High-temperature version not available

(4) Max. probe length is 3 m (10 ft)

Standard seal material is FPM (Viton) up to 200°C

Special seals (5)

EPDM up to 150°C

FFKM Perfluoroelastomer (Kalrez6375) up to 275°C

(5) The above special seals are ordered separately and must be specified in the text part of the order.

ATEX Note: - Devices with a display must NOT be operated in an “Ex ia IIC” environment

Devices with Plastic coated probes must NOT be operated in an “Ex ia IIC” environment

Refer to pages 10 & 11 for ATEX temperature limits

2.3. VF05 –WITH ROD PROBE OR COAXIAL ROD PROBE

VF05

Ex*

2-wire guided microwave level transmitter

Version /

Temperature

Code

Probe / Process connection

Code

Housing

Code

Probe

length (4)

(x 10m)

Code

Probe

length (4)

(x 1m)

Code

Probe

length (4)

(x 0.1m)

Code

Output

Code

Transmitter (1)

Mono rod (3),

14 mm,

316Ti

1½" BSPP (G1½)

Aluminium

4…20 mA + HART®

1½" NPT

High-temperature

transmitter (2)

2" TriClamp

Stainless

steel

0 m

4…20 mA + HART® /

Ex ta/tb IIIC (ATEX)

Coaxial (3),

316Ti

1" BSPP (G1)

1 m

0.1 m

Transmitter +

display(1)

1" NPT

2 m

0.2 m

4…20 mA + HART® /

Ex ia IIIC (ATEX)

1½" BSPP (G1½)

3 m

0.3 m

High-temperature

transmitter + display

(2)

1½" NPT

4 m

0.4 m

4…20 mA + HART® /

Ex ia IIC/IIB (ATEX)

1½" TriClamp

5 m

0.5 m

2" TriClamp

6 m

0.6 m

4…20 mA + HART® /

Ex ta IIIC (ATEX)

0.7 m

0.8 m

4…20 mA + HART®

+ Relay

0.9 m

* Ex versions are marked "Ex" right after the type designation on the label.

(1) Flange temperature max. +90 °C (+194 °F)

(2) Flange temp. max. +200 °C (+392 °F)

(3) Can be ordered with segmented probe which must be specified in the text of the order. The length of the probe section is 1 m.

(4) Max. probe length is 6 m (20 ft)

Standard seal material is FPM (Viton) up to 200°C

Special seals (5)

EPDM up to 150°C

FFKM Perfluoroelastomer (Kalrez6375) up to 275°C

(5) The above special seals are ordered separately and must be specified in the text part of the order.

ATEX Note: - Devices with a display must NOT be operated in an “Ex ia IIC” environment

Devices with Plastic coated probes must NOT be operated in an “Ex ia IIC” environment

Refer to pages 10 & 11 for ATEX temperature limits

2.4. ACCESSORIES

•Hyview software –requires PC (Available as download) •2 x M20x1.5 cable gland

•User and Programming manual (Available as download) •VGF-DISPLAY unit (plug-in option)

•HARTUSB modem (sold separately).

6 / 41

3. TECHNICAL DATA

3.1. GENERAL

With aluminium housing

VF05–7–4, 5, 6, 8

With stainless steel housing

VF05–9–4, 5, 6, 8

Input

data

Measured values

Distance between the reference point and the plane of the reflection (surface of the material); derived values: level, volume or weight

Measuring range

Depends on the probe and the measured medium (refer to section 3.2 Probe properties or 3.3 Coated probe properties)

Probe types and technical data

Coaxial rod, dual cable, cable, dual rod, and rod probes (for technical data refer to the Technical Data of Probes table)

Housing

Cast aluminium with epoxy finish

Stainless steel

Process temperature

–30…+200 °C (–22…+392 °F) (for technical data refer to –MEDIUM TEMPERATURE table –Page 7)

Process pressure

–1…40 bar (–0.1…4 MPa [–14…580 psig]) (for technical data refer to –MEDIUM PRESSURE DIAGRAM –Page 7)

Ambient temperature

–30…+65 °C (–22…+149 °F), with display: –20…+65 °C (–4…+149 °F)

Seal

Standard temperature: FPM (Viton)Optional EPDM (150°C) or FFKM (275°C)

Ingress protection

IP67

Supply voltage

12(1)…36V DC, nominal 24V DC, Ex version: 12(1)…30V DC, transient overvoltage protection(2)

Output

data

Output signal

Analog: 4…20 mA; (3.9…20.5 mA) passive output; error signal 3.8 or 22 mA

BUS: serial, HARTinterface, termination resistor maximum 750 Ω

Display (optional): VGF-DISPLAY LCD dot-matrix

Relay (optional): SPDT 30V / 1A DC; 48V / 0.5A AC

Accuracy (2)

Liquids: 5 mm (0.2"). If probe length is ≥ 10 m (L ≥ 33 ft); 0.05% of probe length

Solids: 20 mm (0.8"). If probe length is ≥ 10 m (L ≥ 33 ft); 0.2% of probe length

Wiring

2× M20×1.5 cable glands, cable outer diameter: Ø6…Ø12 mm (Ø0.23…Ø0.47") (metal for Ex version, otherwise plastic) + 2× internally threaded ½" NPT

connection for protective pipes, wire cross-section: 0.5…1.5 mm2 (20 AWG…15 AWG) (shielded cable recommended)

Electrical protection

Class III

Weight (housing)

2.2kg (4.9 lbs)

3.9kg (8.6 lbs)

(1) Reliable operation in industrial environments can be guaranteed for terminal voltages > 13 V.

(2) The device has been tested and complies with EN IEC 61326-1: 2021 Table 2. I/O signal/control with (e) remark, Surge test.

(3) With ideal reflective surfaces and constant temperatures.

3.2. PROBE PROPERTIES

Type

VF05K––

VF05L––

VF05V––

VF05W––

VF05R––

VF05P––

VF05S––

VF05Z––

VF05N––

VF05J––

VF05T––

VF05U––

VF05D––

VF05E––

VF05A––

VF05B––

VF05C––

VF05H––

Version

4 mm cable

(0.15")

Rod

8 mm cable

(0.3")

4mm dual cable

(0.15")

Dual rod

Coaxial rod

Maximum measuring

range

30 m (100 ft)

3 m (10 ft)

6 m (20 ft)

30 m (100 ft)

3 m (10 ft)

6 m (20 ft)

Minimum measuring

range

r= 80 / 2.4

0.25 m / 0.35 m (0.82 ft / 1.15 ft)

0.15 m / 0.3 m (0.5 ft / 1 ft)

0 m (0 ft)

Min. distance to

objects

600 mm (Ø2 ft)

200 mm (Ø 0.65 ft)

0 mm (0 ft)

Minimum rof medium

2.1

1.8

1.4

Process connection

1" BSPP (G1)

1½" BSPP (G1½)

1" BSPP (G1)

1" NPT

1½" BSPP (G1½)

1" NPT

1½" NPT

1½" BSPP (G1½)

1½" NPT

Material of probe

316 (1.4401)

316Ti (1.4571)

316 (1.4401)

316Ti (1.4571)

Nominal diameter of

probe

4 mm (0.15")

8 mm (0.3")

14 mm (0.55")

8 mm (0.3")

4 mm (0.15")

8 mm (0.3")

28 mm (1.1")

Weight

0.12 kg/m

(0.08 lb/ft)

0.4 kg/m

(0.25 lb/ft)

1.2 kg/m

(0.8 lb/ft)

0.4 kg/m

(0.25 lb/ft)

0.24 kg/m

(0.16 lb/ft)

0.8 kg/m

(0.5 lb/ft)

1.3 kg/m

(0.85 lb/ft)

Separator material

–

PFA,

welded onto cable

PTFE-GF25

if length is

>1.5 m (5 ft)

PTFE,

if length is

>1.5 m (5 ft)

Tensioning weight

dimensions

Ø25 x 100 mm

(Ø1 x 4")

–

Ø40 x 260 mm

(Ø1.5 x 10")

Ø40 x 80 mm

(Ø1.5 x 3")

–

Material of tensioning

weight

316Ti (1.4571)

–

316Ti (1.4571)

–

7 / 41

3.3. COATED PROBE PROPERTIES

Type

VF05F––

VF05G––

VF05X––

VF05Y––

VF05M––

VF05Q––

VF05O––

VF05I--

Version

∅4 mm (0.15") FEP-coated cable

∅4 mm (0.15")

fully FEP / PFA-

coated cable

Fully PFA-coated rod

Fully PP-coated

rod

Maximum

measuring range

30 m (100 ft)

3 m (10 ft)

Minimum measuring

range r = 80 / 2,4

0.25 m / 0.35 m (0.82 ft / 1.15ft)

Free space

requirement

600 mm (Ø2 ft)

Minimum rof

medium

2.1

Process connection

1” BSPP (G1)

/ 1” NPT

1½" Triclamp

DN 40 Sanitary

DN 50

1½" TriClamp

DN 50

Material of probe

316 (1.4401) / FEP

316Ti (1.4571) / PFA

316Ti (1.4571) /

Nominal diameter of

probe

6 mm (0.23")

12 mm (0.5")

16 mm (0.62")

Mass

0.16 kg/m (0.1 lb/ft)

0.5 kg/m (0.33 lb/ft)

0.6 kg/m (0.4 lb/ft)

Coating of fillet and

tension weight

–

PFA

Tensioning weight

dimensions

Ø25 x 100 mm (Ø1 x 4")

–

Material of

tensioning weight

316Ti (1.4571)

–

Maximum medium

temperature

+200 °C (+392 °F)

+150 °C (+302 °F)

+60 °C (+140 °F)

MEDIUM TEMPERATURE

MEDIUM PRESSURE DIAGRAM

Type

FLANGE TEMPERATURE

200°C

140°C

80°C

20°C

-30°C -1 bar 16 bar 24 bar 32 bar 40 bar

Base model

–30…+90 °C (–22…+194 °F)

High-temperature VF05Hor VF05P

transmitter

–30…+200 °C (–22…+392 °F)*

*Limited for coated probes, see Coated probe properties table above.

ATEX Note: The units with plastic coating cannot be used in group IIC class hazardous area.

8 / 41

3.4. DIMENSIONS

L = Probe (Insertion) length as specified in tables 2.1 –2.3.

VF05TK––

VF05TL––

VF05TV––

VF05TW––

VF05TR––

VF05TP––

VF05TS––

VF05TZ––

VF05TN––

VF05TJ––

VF05TT––

VF05TU––

VF05TD––

VF05TE––

VF05TA––

VF05TB––

VF05TC––

VF05TH––

VF05TF––

VF05TG––

VF05TX––

VF05TY––

VF05TM––

VF05TQ––

VF05TI––

Sanitary

9 / 41

3.5. ATEX INFORMATION (FOR PRODUCTS CODES ENDING WITH EX)

3.5.1. ATEX General

Instruments with the code VF05-7-5Ex, VF05-7-6Ex, VF05-7-8Ex, VF05-7-9Ex, VF05-9-5Ex, VF05-9-6Ex,

VF05-9-8Ex or VF05-9-9Ex are designated as ATEX instruments according to ATEX directive 2014/34/EU.See Ex markings and Maximum surface

temperature data for group, category and temperature classification data on pages 9 - 11.

3.5.2. ATEX nameplate

Example marking of approved instrument according to directive 2014/34/EU:

Example of a VF05 ATEX Ex ia nameplate Example of a VF05 ATEX Ex t nameplate

Guidance for installation, setup and repair

Installation, setup and maintenance must be in accordance with the applicable codes of practice and harmonised standards for Ex ia (intrinsic safe) equipment and

by qualified technical personnel only.

User repairs are not permitted; in case of faults return the unit to Hycontrol. See section 3.7 Maintenance and Repair for further information.

The level transmitter must be operated in an intrinsically safe circuit only.

The metal enclosure of the unit must be connected to the EP (Equipotential) circuit.

3.5.3. ATEX Intrinsically safe protection (Ex ia)

VARIANT WITH METAL HOUSING AND

VGF DISPLAY

VARIANT WITH METAL HOUSING

WITHOUT VGF DISPLAY

VARIANT WITH METAL HOUSING

NORMAL TEMPERATURE TYPES

VF05B--8 EX

VF05T--8 Ex

VF05B/T--6 EX

Ex marking (ATEX)

II 1G Ex ia IIB T6…T4 Ga

II 1G Ex ia IIC T6…T4 Ga

II 1D Ex ia IIIC T85°C…T110°C Da

HIGH-TEMPERATURE TYPES

VF05P--8 Ex

VF05H--8 EX

VF05H/P--6 EX

Ex marking (ATEX)

II 1G Ex ia IIB T6…T3 Ga

II 1G Ex ia IIC T6…T3 Ga

II 1D Ex ia IIIC T85°C…T180°C Da

Ex power supply data

Ui = 30 V, Ii = 140 mA, Pi = 1 W

Ci ≤25 nF, Li ≤300 H

Ui = 30 V, Ii = 100 mA, Pi = 0.75 W

Ci ≤25 nF, Li ≤300 H

Ui = 30 V, Ii = 140 mA, Pi = 1 W

Ci ≤25 nF, Li ≤300 H

Supply voltage range

12…30V DC

Electrical connection

Cable entry

M20x1.5 cable gland

Cable outer diameter

Ø6…12 mm

Wire cross section

0.5…1.5 mm2

Temperature limits

See tables in section 3.5.4.

10 / 41

3.5.4. Temperature limit data for ATEX (Ex ia) approved models

3.5.4.1 For standard temperature transmitters

Temperature data

Hazardous gas atmospheres

VF05T/B–7–8 Ex

VF05T/B–9–8 Ex

Explosive dust atmospheres

VF05T/B–7–6 Ex

VF05T/B–9–6 Ex

Ex ia IIC, Ex ia IIB

Ex ia IIIC

Maximum process temperature

+80 °C (+176 °F)

+90 °C (+194 °F)

+100 °C (+212 °F)

+80 °C (+176 °F)

+90 °C (+194 °F)

+100 °C (+212 °F)

Maximum surface temperature at

the process connection

+70 °C (+158 °F)

+90 °C (+194 °F)

+100 °C (+212 °F)

+75 °C (+167 °F)

+90 °C (+194 °F)

+100 °C (+212 °F)

Maximum ambient temperature

+65 °C (149 °F)

Temperature class

T85°C

T100°C

T110°C

3.5.4.2 For high- temperature transmitters

Temperature data

Hazardous gas atmospheres

VF05H/P–7–8 Ex

VF05H/P–9–8 Ex

Explosive dust atmospheres

VF05H/P–7–6 Ex

VF05H/P–9–6 Ex

Ex ia IIC, Ex ia IIB

Ex ia IIIC

Maximum process

temperature

+80 °C

(+176 °F)

+90 °C

(+194 °F)

+100 °C

(+212 °F)

+180 °C

(356 °F)

+80 °C

(+176 °F)

+90 °C

(+194 °F)

+100 °C

(+212 °F)

+180 °C

(356 °F)

Maximum surface temperature

at the process connection

+70 °C

(+158 °F)

+90 °C

(+194 °F)

+100 °C

(+212 °F)

+175 °C

(347 °F)

+75 °C

(+167 °F)

+90 °C

(+194 °F)

+100 °C

(+212 °F)

+175 °C

(347 °F)

Maximum ambient temperature

+65 °C (149 °F)

Temperature class

T85°C

T100°C

T110°C

T180°C

3.5.5. ATEX explosive dust protection (Ex t)

Metal housing

High-temperature version with metal housing

VF05H/P–7–5 Ex

VF05H/P–9–5 Ex

VF05T/B–7–9 Ex

VF05T/B–9–9 Ex

VF05T/B–7–5 Ex

VF05T/B–9–5 Ex

Ex marking (ATEX)

II 1 D Ex ta IIIC T105°C Da

II 1/2 D Ex ta/tb IIIC T85°C…T110°C Da/Db

II 1/2 D Ex ta/tb IIIC T85°C…T180°C Da/Db

Waiting time for opening the

cover

0 min

30 min

Ex power supply*

Ui = 30 V DC Ii = 1 A

Supply voltage

12…30 V DC

Temperature limit data

See tables in section 3.5.6.

Cable entry

M20x1.5 cable glands with “Ex ta” protection

Cable outer diameter

Ø6…Ø12 mm (Ø0.23…Ø0.47")

Electrical connection

Wire cross-section: 0.5…1.5 mm2(20 AWG…15 AWG)

* Maximum supply voltage and current to the product while maintaining Ex protection.

3.5.6. Temperature limit data for ATEX (Ex t) approved models

3.5.6.1 For standard temperature transmitters

Temperature data

Explosive dust atmospheres

VF05T/B–7–9 Ex

VF05T/B–9–9 Ex

VF05T/B–7–5 Ex

VF05T/B–9–5 Ex

Ex ta IIIC

Ex ta/tb IIIC

Maximum process temperature

+65 °C (149 °F)

+80 °C (+176 °F)

+90 °C (+194 °F)

+100 °C (+212 °F)

Maximum surface temperature

at the process connection

+65 °C (149 °F)

+75 °C (+167 °F)

+90 °C (+194 °F)

+100 °C (+212 °F)

Maximum ambient temperature

+65 °C (149 °F)

Temperature class

T105°C

T85°C

T100°C

T110°C

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