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RTN

The ring torsion load cells have a low hight, are robust and are extremly precise:

  • Offering a wide range of capacities from 1 t to 470 t
  • Ensuring precise results with 0.05, C3 and C5 accuracy classes
  • Available with fixed mounted cable and plug version
  • Optional EX version

NEW: RTN is now available with OIML C5 accuracy class.

NEW: Option "CP" for Protective Coating against Corrosion is now available.

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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.

HBK’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 C5
  • 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 5,000 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.

Language keyboard_arrow_down
RTN - Data Sheet Data Sheets English
RTN - Technical Drawing Elastomer mount VEN 1 t - 100 t Data Sheets English, German
RTN - Data Sheets Data Sheets German
RTN - Data Sheets Data Sheets Russian
RTN - Data Sheets Data Sheets Japanese
RTN - Data Sheets Data Sheets French
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
ATEX / IECEx Zone 2/21 + Zone 2/22 - Safety Instructions Safety Instructions English, Italian, French, Portuguese, German, Spanish
Lightning protection for vehicle scales with RTN load cells - Installation instruction Mounting Instructions English
RTN - Mounting Instructions Mounting Instructions English, French, German
RTN - Technical Drawing Pendulum mount VPN 1 t -100 t Technical drawing English, German
RTN - Technical Drawing Pendulum mount VPN 150 t - 470 t Technical drawing English, German
RTN - Technical Drawing Elastomer mount 150 t - 470 t Technical drawing English, German
RTN - Mounting Instructions Mounting Instructions Russian
RTN - Mounting Instructions Mounting Instructions Russian

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
NEPSI Certificate Certificates English, Chinese
EU-Type Examination Certificate – BVS 13 ATEX E 108 X Certificates English
C16/ C2/ U2A/ C2A/ HLC/ PW15AH/ PW25/ PW27/ PW29/ PW4L/ RSC/ RTN/ Z6/ Z6R/ Z7/ Z16/ PW10/ PW12/ PW15/ PW16/ PW22/ PWS/ SP4 - UK Declaration of Conformity - EX IIG for zone 1 and Ex IID for zone 21 Certificates English
C16/C2/U2A/C2A/HLC/PW15/PW25/PW27/PW29/RSC/RTN/Z6/Z6R/Z16 - UK Declaration of Conformity - EX IIG for zone 2 and Ex IID for zone 21 Certificates English
RTN - Test Certificate Certificates English, German
RTN - OIML Certificate Certificates English
RTN - OIML Certificate Certificates English
RTN - Parts Certificate Certificates English, German
RTN - Certificates Certificates Russian
PW15-EU-Type Examination Certificate – BVS 13 ATEX E 108 X Certificates German
C16/ C2/ U2A/ C2A/ HLC/ PW15AH/ PW25/ PW27/ PW29/ PW4L/ RSC/ RTN/ Z6/ Z6R/ Z7/ Z16/ PW10/ PW12/ PW15/ PW16/ PW22/ PWS/ SP4 - EU Declaration of Conformity - EX IIG for zone 1 and Ex IID for zone 21 Declaration of Conformity English
C16/C2/U2A/C2A/HLC/PW15/PW25/PW27/PW29/RSC/RTN/Z6/Z6R/Z16 - EU Declaration of Conformity - EX IIG for zone 2 and Ex IID for zone 21 Declaration of Conformity English
RTN - EU Declaration of Conformity Declaration of Conformity English
RTN capacity 470t - CAD CAD Step Files
RTN capacity 33t - CAD CAD Step Files
RTN capacity 15t-22t - CAD CAD Step Files
RTN capacity 10t - CAD CAD Step Files
RTN capacity 1t-4.7t - CAD CAD Step Files
RTN capacity 68t - CAD CAD Step Files
RTN capacity 150t - CAD CAD Step Files
RTN capacity 220t - CAD CAD Step Files
RTN capacity 330t - CAD CAD Step Files
RTN capacity 47t - CAD CAD Step Files
RTN capacity 100t - CAD CAD Step Files
RTN
Type Compression, Ring torsion
Application Silo/Tank weighing
Maximum capacity 10 t, 15 t, 100 t, 150 t, 2.2 t, 22 t, 1 t, 220 t, 33 t, 470 t, 330 t, 4.7 t, 47 t, 68 t
Maximum capacity 22040 lb, 33060 lb, 220400 lb, 330600 lb, 4848 lb, 8 lb, 48488 lb, 2204 lb, 484880 lb, 72732 lb, 1035880 lb, 727320 lb, 10358 lb, 103588 lb, 149872 lb
Accuracy class 0.05, C3, C5
Degree of protection IP68
Material Stainless steel with protective coating, Stainless steel, hermetically sealed
Maximum platform size n/a
Output signal Passive (mV/V)
Special feature None
Minimum verification interval (Vmin) 7500 g, 5000 g, 500 g, 50 g, 11000 g, 750 g, 110 g, 16500 g, 235 g, 1100 g, 1650 g, 23500 g, 2350 g, 3400 g, 0.5 kg, 0.75 kg, 1 kg, 1.65 kg, 2.35 kg, 3.4 kg
Certification OIML

개선된 성능의 RTN:

수십 년 동안 검증된 RTN 시리즈의 중량 로드 셀은 최신 개정으로 더욱 개선되었으며 새로운 옵션이 추가되었습니다. 예를 들어, 이제 0.05 정확도 등급의 변형을 위한 커넥터 시스템으로도 제공됩니다. 액세서리로 제공되는 연결 케이블(KAB175)과 함께 사용하면 로드 셀은 나사로 고정할 때 자동으로 IP68/69K 보호 등급을 달성합니다. 또한, 6선 회로의 견고한 케이블은 할로겐이 없습니다.

새로운 점:

  • 개선된 내식성
  • 커넥터가 있는 버전(M12, 0.05 정확도 등급 전용, 상업적 거래에 적합하지 않음)
  • 플러그 버전용으로 새로 배선된 연결 케이블이 액세서리로 제공됩니다.
  • 조정된 케이블 길이

관련 중량 터미널

RTN 사례 연구