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Related Manuals for VSE.flow VHM Series
Summary of Contents for VSE.flow VHM Series
- Page 1 Operating instructions for flow meters of the product series “Ex-Type VHM“...
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Page 2: Table Of Contents
Preamplifier for Ex-Type VHM series . . . . . . . . . . . . . . . . . . -
Page 3: Important Information And Legal Notices
IMPORTANT INFORMATION AND LEGAL NOTICES Dear customer, dear user, This operating instruction for volume sensors of the “Ex-Type VHM“ series by VSE Volumentechnik GmbH (VSE) contains information required to properly install and commission the flow meter in potentially hazardous areas accor- ding to the regulations. -
Page 4: General Function Description Of Flow Meter For Ex-Hazardous Areas
GENERAL FUNCTION DESCRIPTION OF FLOW METER FOR EX-HAZARDOUS AREAS Flow meters made by VSE Volumentechnik GmbH measure the volume The liquid flow quantity within one meter rotation of a tooth division de- flow of liquids according to the toothed wheel principle . A pair of very termines the volume measurement per pulse (V ) and is defined in cm precisely adjusted toothed wheels in the housing constitutes the me-... -
Page 5: Maximum Operating Pressure
2. The hydraulic properties of the system Is the max. operating pressure of the system lower than the max . permitted operating pressure of the flow meter? Is the max. fall of pressure ∆p (on flow meter) below the max . permitted fall of pressure? ... -
Page 6: Flow Rate Range
FLOW METER RANGE The flow meter range specified in the flow meter data sheet (Q – Q For viscosities from 1 to 10 mm /s, a measuring accuracy of up to 1 .0 % refers to the testing fluid “hydraulic oil“ with a viscosity of 21 mm of the measured value and a repeatability of 0 .5 % is given . -
Page 7: Cleaning And Flushing The Pipes Before Initial Start-Up
Important: When mounting the flow meter, you must take great care that the seals are not damaged and correctly placed in the hydraulic connections of the flow meter. Wrongly installed or damaged seals lead to leakage and to an leaky system, which may have dire consequences. Please make sure that flow meters with EPDM seals do not come into contact with oil and greases on a mineral oil basis. -
Page 8: Flow Meters For Explosion Hazardous Areas
FLOW METER FOR EXPLOSION HAZARDOUS AREAS The operation of flow meters in areas with a hazard of explosion is sub- The system Ex-Type flow meter and isolating switching amplifier is based ject to very specific legal regulations . For this reason, only flow meters on in-trinsically safe circuits . -
Page 9: Installation Of Vse Flow Meters In Explosion Hazardous Areas
INSTALLATION OF VSE FLOW METERS IN EXPLOSION HAZARDOUS AREAS The following figures show the connection diagrams for Ex-Type VHM You must always make sure that the grounded conductor “PE“ is flow meters for use in areas subject to an explosion hazard . Please correctly connected with the flow meter and that no voltage differences connect each piece of equipment as shown in the diagram . -
Page 10: Control Drawing
CONTROL DRAWING Hazardous (Classified) Location Unclassified Location Class I, Division 1, Groups A, B, C & D T4…T6 Note: T4…T6 temperature code based on 50° C (122°F) ASSOCIATED APPARATUS VHM*-*****/*-V*L-*S**/Ex-NAMUR WITH ENTITY PARAMETERS VHM*-*****/*-V*L-*S**/Ex-M (or U ) = 12.5V (or u (or U (or I ) = 35mA... -
Page 11: Preamplifier For Ex-Type Vhm Series
PREAMPLIFIERS FOR EX-TYPE VHM SERIES General information The preamplifiers are supplied in different versions depending on the When a dual pickup is used, you simply double or quadruple the application . There are single and dual pick-ups available . The basic number of pulses depending on the setting . -
Page 12: Application With Directional Detection
APPLICATION WITH DIRECTION DETECTION If it is necessary to detect the direction of flow, the VHM-flow meter Each of the pick-ups is operated with an isolating switching amplifier . must be operated with two single pick-ups with different carrier fre- Also it is possible to increase the resolution, when you process the rising quencies of type VIL*-*S**/EX-NAMUR and VTL*-*S**/EX-NAMUR . - Page 13 Figure 10: Signal output with two single pick-ups (Ex-type)
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Page 14: Safety Instructions For Installation And Operation In Hazardous Areas
. 20. The marking on the typeplate must stay readable . 12. VSE supplies special flow meters from the VHM series, when the flow meter is to be operated in a Ex-hazardous area . These... -
Page 15: Maintenance, Service Life And Warranty
MAINTENANCE, SERVICE LIFE AND WARRANTY Depending on the operating conditions, the service life and therefore the further use . On request, we can provide you with a loan unit for the dura- specific properties of the units are limited by wear, corrosion, deposits or tion of the overhaul . -
Page 16: Technical Data For The Vhm Flow Meter
TECHNICAL DATA FOR THE VHM FLOW METER Size Measurement Range Measured Volume V Frequency K-factor l/min ml/imp. imp./liter VHM 01–2 0 .01 … 1 ca . 0 .045 ca . 3 .7 … 370 .0 ca . 22,200 VHM 02–1 0 .05 …... -
Page 17: Dimensions Of The Ahm Mounting Plate
DIMENSIONS OF THE AHM MOUNTING PLATE AHM 01/02 AHM 03 for side mounting for side mounting Position of the cable connections Signal pick-up VHM Connection diagram VHM Connection diagram Flow meter Mounting plate for side mounting Permissible ø A øE øL O-ring Size... -
Page 18: Type Code For Vhm/Ahm
TYPE CODE FOR VHM, AHM VHM flow meter AHM mounting plate... -
Page 19: Technical Data For Single Pick-Ups Vil*-*S** /Ex-Namur/Mk, Vtl*-*S** /Ex-Namur/Mk
TECHNICAL DATA FOR SINGLE PICK-UPS VIL*-*S** /EX-NAMUR/MK, VTL*-*S** /EX-NAMUR/MK VSP21 VSP31 Type Plates Pin no . 1 (line color brown) Power supply U Pin no . 3 (line color blue) Power supply 0V Electronic Connection data EC-Type Examination Certificate IECEx BVS 23 .0024X; BVS 23 ATEX E035X; FM23US0010X Type Code VIL*-*S**/Ex-NAMUR/MK;... -
Page 20: Technical Data For Single Pick-Ups Vel*-*S**/Ex-Namur/Mk
TECHNICAL DATA FOR SINGLE PICK-UPS VEL*-*S** /EX-NAMUR/MK VSP21 VSP12 Pin no . 1 (line color brown) Power supply U Pin no . 3 (line color blue) Power supply 0V Electronic connection data Type Plates EC-Type Examination Certificate IECEx BVS 23 .0024X; BVS 23 ATEX E035X;... -
Page 21: Technical Data For Dual Pick-Up Vdl*-*S**/Ex-Namur/Mk
TECHNICAL DATA FOR DUAL PICK-UP VDL*-*S** /EX-NAMUR/MK VSP21 VSP21 VSP12 Pin no . 1 (line color brown) Power supply U Pin no . 3 (line color blue) Power supply 0V Electronic connection data Type Plates EC-Type Examination Certificate IECEx BVS 23 .0024X; BVS 23 ATEX E035;... -
Page 22: Type Codes - Signal Pick-Ups
TYPE CODES – SIGNAL PICK-UPS V . . . - . . 1 . / .- NAMUR/MK Version Standard Single pick-up Intrinsically safe Series M12 x 1 VSE - Plug Cable entry Plug connector with VSE standard Ø23 connector Size Flow meter VHM 01 Earth Flow meter VHM 02... -
Page 23: Technical Data For Vhm Titan
TECHNICAL DATA FOR THE VHM TITAN Size Measurement range Measured Volume V Frequency K-factor l/min ml/imp. imp./liter VHM 01–1_T1 0 .01 … 1 approx . 0 .04 approx . 5 … 417 approx . 24,000 VHM 02–2_T1 0 .05 … 2 approx . -
Page 24: Type Code Vhm Titan
Flow meter with preamplifier Preamplifier VHM 02-12TS13/1. + V.L. - 02S00/. VRII – 02S00 / N Standard VRLI – 02S00 / Ex intrinsically safe VWII – 02S00 / N Standard VWLI – 02S00 / Ex intrinsically safe Flow meter VHM – 02-12TS13/1 N Standard Special shaft D-Shaft... -
Page 25: Technical Data For Single Pick-Ups Vrl*-*S**/Ex-Namur/Mk For Vhm Titan
TECHNICAL DATA FOR SINGLE PICK-UPS VRL*-*S** /EX-NAMUR/MK FOR VHM TITAN VSP21 VSP31 Pin no . 1 (line color brown) Power supply U Pin no . 3 (line color blue) Power supply 0V Electronic connection data EC-Type Examination Certificate IECEx BVS 23 .0024X; BVS 23 ATEX E035X; FM23US0010X Type Code VRL*-*S**/Ex-NAMUR/MK... -
Page 26: Type Code - Signal Pick-Up For Vhm Titan
Housing data Dimensions See the section ”Dimensions for VHM Titan“ Protection class IP 64 Material (Al Mg Si 1) EN AW-6082 Weight 125 g Max. surface temperature T4 … T6 = 80°C (176°F) Ambient temperature -20°C … 50°C (-4°F … 122°F) Seals Coil encapsulating 2K-Epoxy... -
Page 27: Wiring Diagram With Isolated Switching Amplifier
WIRING DIAGRAM WITH ISOLATING SWITCHING AMPLIFIER Isolating switching amplifier VSP 21 brown + 8..10.5 Volt blue VSP 21 VSP 12 VHM - two-channel pickup VSP 21 VSP 12 VHM - single pickup MEDIA AND AMBIENT TEMPERATURES Temperature class: T4 . . . T6 Media temperature: -20°C (-4°F) . -
Page 28: Summary Of The Safety-Related Technical Data
SUMMARY OF THE SAFETY-RELATED TECHNICAL DATA PICK-UP-SYSTEMS TYPE: V*L*-*S**/EX-NAMUR, V*L*-*S**/EX-MK IECEx BVS 23 .0024X; BVS 23 ATEX E035X; FM23US0010X II 1G Ex ia IIC T6 Ga IS CL1; Div 1; GRPS A,B,C,D; T4 . . . T 6 Ui = 12 .5 V Ii = 35mA Pi = 60mW Li = 66 .3μH... -
Page 29: Certificates
CERTIFICATES... -
Page 38: Certificate Of Non-Objection
CERTIFICATE OF NON-OBJECTION SAFETY DECLARATION FOR RETURN DELIVERIES (CERTIFICATE OF NON-OBJECTION) Last revised: 10/2021 Please reply to info @ vse-flow.com Flow meters, for which this certificate of conformity has not been completed and signed, cannot be inspected or repaired for safety reasons and will be returned unchecked at your expense. Article number Quantity Reason for return... - Page 39 SAFETY DECLARATION FOR RETURN DELIVERIES (CERTIFICATE OF NON-OBJECTION) Please reply to info @ vse-flow.com The undersigned assures that the above information is correct and complete and the shipping is carried out according to legal regulations. The undersigned is liable for all damages which arise as a result of the non-marked decontamination of the returned flow meter.
- Page 40 VSE Volumentechnik GmbH Hönnestraße 49 58809 Neuenrade / Germany Phone +49 (0) 23 94 / 6 16-30 info@vse-flow . c om www . v se-flow .com...
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