7530 Radar Tank Gauge
The 7530 Radar Tank Gauge (RTG), with an accuracy rate of ±0.5 mm and ideally suited for custody transfer applications, is used for continuous, non-contact level measurement in bulk liquid storage tanks. The 7530 RTG with horn antenna is suitable for free space applications that disallow the use of a parabolic antenna due to tank/nozzle geometry.
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Accuracy Approved for Custody Transfer
7530 RTG uses C (6 GHz) band microwaves to measure liquids to an accuracy of ±0.5mm (0.02″) This gauge is NMI and PTB approved for use in custody transfer tank gauging systems.
Touch Screen Operations
Easy onsite operation using built-in touch control display without having to open the enclosure. A remote display is also available so that you can read and operate the gauge from the tank side.
Low Cost Wiring
Intrinsically safe 4-wire technology reduces on-tank wiring costs and allows easy implementation into existing systems.
Each radar gauge is approved for use in explosion hazardous areas to ATEX, FM and CSA standards.
- Cost‐effective intrinsically safe — 4‐wire cable for HART and 24 VDC i.s. power.
- Easy on‐site operation using built‐in display.
- Easy commissioning and diagnostics using Windows® based software.
- Inventory control version with available (±3 mm) accuracy.
- National approvals (MNi, PTB) for custody transfer.
Maximum Measured Error
Free space: 0.5 mm
Stilling well: 0.8mm
Max. 330 mW at 16 V, Max. 500 mW at 24 V,
Max. 600 mW at 30 V
Max. 21 mA (50 mA inrush current)
7.1 kg (15 lb 7 oz) plus weight of the flange
IP 65, NEMA 4X (IP20, NEMA 1 with open housing and removed liquid crystal display) Housing T12: aluminium, seawater repellent, chromate, powder coated
IP 68 (NEMA 6P)
Cable gland: M20x1.5; Pg 13.5 (gland included) 3/4 NPT: G 3/4 internal thread
‐40°F and +185 °F (‐40 °C and +5 °C)
RF approvals ‐ R&TTE, FCC
Marine certificate ‐ GL (Germanisch Lloyd), ABS, NK
Factory Mutual ‐ IS Class I,II,III, Div 1 Groups A‐G T*
Class 1, Zone 0, AEx ia IIC T*
DIP Class II,III, Div 1 Groups E,F,G T*
NI Class I, Div 2 Groups A‐D T*
XP‐IS Class 1, Div. 1 Groups A‐D T*
XP Class 1, Zone 0, IIC T*
Antenna Class 1, Zone 0, AEx ia IIC T*
CSA ‐ ExnC IIC Class 1 Zone 2, Exd [ia] IIC Zone 1/0, Ex ia IIC Class 1 Zone 0
See specifications document for more information.
Approvals & Certifications
Contact Varec for ATEX or IECEx approved devices
Various Sizes and Material Types
DN, & RF
Metric, NPT, G
High Accuracy, Inventory Control or NMI/PTB Approved
Contact Varec for more information.
Parts and Accesories