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IOM027FVAE0804
7532 Radar Tank Gauge
Smart transmitter for continuous and non-contact precision
level measurement. For custody transfer and inventory-control
applications with NMI and PTB approval.
Installation and
Operations Manual
www.varec.com
Varec, Inc.
5834 Peachtree Corners East, Norcross (Atlanta), GA 30092 USA
Tel: +1 (770) 447-9202 Fax: +1 (770) 662-8939
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Radar Tank Gauge Brief operating instructions 000 Contrast: +or + measured value 009 008 - + E history E dist./ reset meas value E Group - + E selection 00 002 003 004 005 006 007 008 051 052 053 basic setup tank medium process empty full pipe dist./ check range of start shape property cond. calibr. calibr. diameter meas value distance mapping mapping + 01 - flat - unknown - standard input E input F only for D and L are - ok confirm safety settings (see sketch) (see sketch) displayed ceiling - <
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Radar Tank Gauge Table of Contents Table of Contents 1 Safety Instructions ....................................4 6 Commissioning .........................................45 1.1 Designated use . . . . . . . . . . . . . . . . . . . . . . . . 4 6.1 Function check . . . . . . . . . . . . . . . . . . . . . . . . 45 1.2 Installation, commissioning and operation . . . . 4 6.2 Commissioning . . . . . . . . . . . . . . . . . . . . . . . . 45 1.3 Operational safety . . . . . . . . . . . . . . . . . .
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Safety Instructions Radar Tank Gauge 1 Safety Instructions 1.1 Designated use The Varec Model 7532 Radar Tank Gauge (RTG) is a compact radar level transmitter for the continuous, contactless measurement of liquids, pastes and sludge in stilling wells. The device can also be freely mounted outside closed metal vessels because of its operating frequency of about 6 GHz and a maximum radiated pulsed energy of 1mW (average power output 1 µW). Operation is completely harmless to humans and animals
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7532 Safety Instructions 1.4 Return The following procedures must be carried out before a transmitter is sent to Varec for repair: • Always enclose a duly completed “Declaration of contamination” form. Only then can Varec transport, examine and repair a returned device. • Enclose special handling instructions if necessary, for example a safety data sheet as per EN 91/155/EEC. • Remove all residue which may be present. Pay special attention to the gasket grooves and crevices where fluid may b
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Safety Instructions Radar Tank Gauge 1.5 Notes on safety conventions and symbols In order to highlight safety-relevant or alternative operating procedures in the manual, the following conventions have been used, each indicated by a corresponding symbol in the margin. Safety conventions Symbol Meaning A warning highlights actions or procedures which, if not performed correctly, Warning! will lead to personal injury, a safety hazard or destruction of the instrument Caution highlights actions or
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7532 Identification 2 Identification 2.1 Device designation 2.1.1 Nameplate and Certification Plates The following technical data are given on the instrument nameplate: Figure 1: Information on the nameplate of the 7500 RTG (example) Figure 2: Information on the NMi type plate for custody transfer applications of the 7500 RTG (example) Figure 3: Information on the PTB type plate for custody transfer applications of the 7500 RTG (example) 7 7500RTG_NMI_label.eps 7500RTG_nameplate_label.eps 7500R
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Identification Radar Tank Gauge 2.1.2 Ordering structure Ordering structure 7532 RTG 10 Certificates Basic weight A For non-hazardous areas 6.5 kg S FM IS - Class I, Division 1, Group A-D U CSA IS - Class I, Division 1, Group A-D 1 ATEX II 1/2 G EEx ia IIC T6, note safety instruction (XA) for electrostatic charg- ing! YSpecial version 20 Antenna type Additional weight Type Size Material Sealing A Planar antenna DN150 / 6" SS316L FKM inside B Planar antenna DN150 / 6" SS316L HNBR inside E Plan
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7532 Identification 40 Output and operation A 4…20 mA HART with VU 331, 4-line alphanumeric dis- play YSpecial version 50 Housing C Aluminium T12-housing with separate connection compartment, coated, IP65 YSpecial version 60 Gland / Entry 2 M20x1.5 cable gland 4 ½ NPT cable entry 9Special version 70 Custody transfer approvals A NMi, PTB type and test rig approval, weights&measures approved (< 1 mm) R Inventory Control Version, not weights&measures approved (3 mm) Y Special approval for custody t
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Identification Radar Tank Gauge 2.2 Scope of delivery Caution! It is essential to follow the instructions concerning the unpacking, transport and storage of measuring instruments given in the section “Incoming acceptance, transport, storage” on page 12. The scope of delivery consists of: • Assembled instrument • ToF Tool (operating program) • Accessories (Chapter 8) Accompanying documentation: • Short manual (basic equalization/troubleshooting): housed in the instrument • Operating manual (th
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7532 Mounting 3 Mounting 3.1 Quick installation guide Installation only in stilling well: Turn housing The housing can be turned in order to simplify access to the display and the terminal compartment T12 housing 2 3 1 Allen key The performance of the 7532 RTG 4 mm . planar antenna is not dependent on the tighten strongly by hand alignment or geometry of standard stilling wells. No special alignment is required. However, make sure that the planar antenna is installed vertically relative to the s
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Mounting Radar Tank Gauge 3.2 Incoming acceptance, transport, storage 3.2.1 Incoming acceptance Check the packing and contents for any signs of damage. Check the shipment, make sure nothing is missing and that the scope of supply matches your order. 3.2.2 Transport Caution! Follow the safety instructions and transport conditions for instruments of more than 18 kg. Do not lift the measuring instrument by its housing in order to transport it. 3.2.3 Storage Pack the measuring instrument so that
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7532 Mounting 3.3 Installation Conditions 3.3.1 Dimensions 68 (2.68") 94 (3.7") 65 (2.56") 85 (3.35") ENDRESS+HAUSER Micropilot II E+H UNI flange DIN, ANSI, (max. 1 bar) JIS detail A: flange adapter (see under) Ø 150 (5.91") DN150 / 6” version without widening DN200…300 / 8…12” version with antenna widening detail A flange hub for the connection to flanges provided by the customer mounting: 4 bolts M6 / 90° Ø 78 (3.07") e.g. DIN 912 Ø 62,5 (2.46") Ø D O-Ring 85.3 x 3.53, included (same material
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Mounting Radar Tank Gauge 3.3.2 Engineering tips Measuring conditions • The measuring range starts at the bottom end of the stilling well. • In case of media with a low dielectric constant (groups A and B), the pipe end can be visible through the medium at low levels. In order to guarantee the required accuracy in these cases, it is recommended to position the zero-point at a distance C above the tank bottom (see Fig.). • In applications with planar or parabolic antennas, especially for media
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7532 Mounting Measuring range The usable measuring range depends on the size of the antenna, the reflectivity of the medium, the mounting location, and eventual interference reflections. The following tables describe the groups of media as well as the achievable measuring range as a function of application and media group. If the dielectric constant of a medium is unknown, it is recommended to assume media group B to ensure a reliable measurement. Product class DK (εr) Examples 1) A 1.4 … 1
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Mounting Radar Tank Gauge Blocking distance The blocking distance (= BD) is the minimum distance from the reference point of the measurement (mounting flange) to the medium surface at maximum level. reference point of measurement BD 20mA Max. 100% Level Stilling well / Bypass Blocking distance (BD) 7532 RTG from Flange 1 m/40" Note! Inside the blocking distance a reliable measurement can not be guaranteed. 16 Installation and Operations Manual L00-FMR53xxx-15-00-00-en-003
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7532 Mounting 3.4 Installation instructions 3.4.1 Mounting kit In addition to the tool needed for flange mounting, you will require the following tool: • 4 mm Allen wrench for turning the housing. 3.4.2 Installation in stilling well Optimum mounting position for 7532 RTG Standard installation When mounting in the stilling well, please observe engineering tips on page 14 and the following points: • After mounting, the housing can be turned 350° in order to simplify access to the display and t
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Mounting Radar Tank Gauge Examples for the construction of stilling wells 7532 RTG 7532 RTG 18 Installation and Operations Manual L00-FMR532xx-17-00-00-en-004
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7532 Mounting 3.4.3 Turn housing After mounting, the housing can be turned 350° in order to simplify access to the display and the terminal compartment. Proceed as follows to turn the housing to the required position: • Undo the fixing screws (1) • Turn the housing (2) in the required direction • Tighten up the fixing screws (1) T12 housing 2 1 Allen key 4 mm tighten strongly by hand 19 L00-FMR532xx-17-00-00-en-005
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Mounting Radar Tank Gauge 3.4.4 Installation with Varec UNI flange Installation tips Varec UNI flanges are designed for non-pressurized operation respectively max. 1 bar absolute pressure. The number of bolts has sometimes been reduced. The bolt-holes have been enlarged for adaption of dimensions, therefore, the flange needs to be properly aligned to the counterflange before the bolts are tightened. Version Compatible with D [mm] K [mm] Type plate no. 1000 DN150 PN16 280 240 942455-3001 ANSI
