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RTNC3/150T

Ringtorsional load cell RtNC3/150t

Ring torsional load cell
Nominal load: 150T
Min. LC verification interval: 0,005 % of Emax
OIML R60
Accuracy class: C3
Measuring body: stainless steel
Protection class: IP68 according to EN60529
Type of cable: shielded round cable, 4 wire
Cable sheath: Polyurethane, RAL 7000 (grey)
Length of cable: 5m, free ends

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Ringtorsional load cell RtNC3/150t

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Ring Torsion Load Cells: Precise Weighing up to 470 Tons

RTN ring torsion load cells are available for a wide range of maximum capacities (1 t—470 t). All versions are compact and, at the same time, extremely robust. These properties and their superior degree of protection (up to IP 68/IP 69K) make them ideal for a wide range of container weighing applications, use in large platform scales, and the construction of vehicle scales – even in unfavorable environmental conditions.

HBM’s RTN load cells are extremely precise and minimize the influence of lateral load application with their unique ring-shaped strain gauges. Their high input resistance and low power consumption enable the use of battery-powered evaluation units for taking measurements.

Numerous special versions such as IECEx-ATEX or temperature-resistant versions (up to 110 °C) are available, and different cable lengths and cable types can be configured. A new version with an M12 connector is also available as an option for variants with accuracy class 0.05.

  • Maximum capacities: 0…1 t to 0…470 t
  • HBM accuracy class: up to C3
  • Degree of protection: IP 68 (optional: IP68/IP 69K)

High measurement accuracy

  • High precision and high signal-to-noise ratio, due to the 2.85 mV/V output signal
  • Excellent compensation of transverse loads,due to the special design and use of ring-shaped strain gauges
  • High input resistance (> 4,350 ohms) ensures low current consumption
  • Legal-for-trade weighing system of up to 3,000 d (OIML R60)

High precision – due to outstanding technical properties

High robustness

  • Corrosion-resistant load cell made of stainless steel
  • Resistant to chemicals and moisture
  • Wide temperature range from -30 °C to +80 °C (optionally up to +110 °C)
  • Explosion-proof versions available (e.g. IECEx-AI 1/21)
  • Also available with braided cable

Ideal for harsh environments – due to stainless-steel design, high degree of protection, and explosion protection.

Easy integration

  • Compact design, very low in height
  • Optimized for parallel connection including off-center load compensation
  • 14 maximum capacities, available in 3 sizes
  • Various cable lengths available.
  • Available with connector (M12, not for legal-for-trade applications)
  • Also available as a complete RTN/M weighing module, for easy mechanical integration

Flexible use in many applications – due to various product variants and accessories.

RTN - Data Sheet Data Sheets English
RTN - Quick Start Guide Quick Start Guide English, Italian, French, Chinese, German
ATEX / IECEx Zone 1/21 – Ex i - Safety Instructions Safety Instructions English, Italian, French, Portuguese, German, Spanish
RTN - Safety Instructions Safety Instructions English, Italian, French, Chinese, Korean, German, Spanish, Japanese
Lightning protection for vehicle scales with RTN load cells - Installation instruction Mounting Instructions English
RTN - Mounting Instructions Mounting Instructions English, French, German

Certificates and Approvals

FM-Certificate of conformity – FM 18 CA 0144 X Certificates English
FM-Certificate of conformity – FM 18 US 0176 X Certificates English
RTN - Test Certificate Certificates English, German
RTN - OIML Certificate Certificates English
RTN - EU Declaration of Conformity Declaration of Conformity English
NEPSI Certificate English, Chinese
RTN capacity 150t - CAD CAD Step Files
Key Attributes: Load Cells
Type Compression, Ring torsion
Application Silo/Tank weighing
Maximum capacity 150 t
Maximum capacity 330600 lb
Accuracy class C3
Degree of protection IP68
Minimum verification interval (Vmin) 7500 g
Material Stainless steel with protective coating
Certification OIML
Maximum platform size n/a
Output signal Passive (mV/V)
Special feature None
Platform size (longer side) -
Platform size (longer side) -
Platform size (shorter side) -
Platform size (shorter side) -
Product Code Description
Transducer con. cable M12,F,Hygienic,12m 1-KAB175-12-1 Transducer con. cable M12,F,Hygienic,12m
Transducer conn. Cable M12,F,hygienic,3m 1-KAB175-3-1 Transducer conn. Cable M12,F,hygienic,3m
Transducer conn. Cable M12,F,hygienic,6m 1-KAB175-6-1 Transducer conn. Cable M12,F,hygienic,6m
Rubber-metal bearing for RTN 150t 1-RTN/150T/VEN Rubber-metal bearing for RTN 150t
Pendulum bearing for RTN 150t 1-RTN/150T/VPN Pendulum bearing for RTN 150t
Rubber-metal bearing for RTN 220t 1-RTN/220T/VEN Rubber-metal bearing for RTN 220t
Pendulum bearing for RTN 220t 1-RTN/220T/VPN Pendulum bearing for RTN 220t
Connection cable, M12, 20m, free ends 1-KAB168-20 Connection cable, M12, 20m, free ends
Connection cable, M12, 5m, free ends 1-KAB168-5 Connection cable, M12, 5m, free ends
PMX configurable amplifier K-PMX PMX configurable amplifier
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