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Revere Transducers / RLC Ring Torsion Load Cell

Revere Transducers / RLC Ring Torsion Load Cell

The load cell model RLC is a stainless steel, low profile, high performance ring torsion load cell. The RLC is available in the capacities 250 kg to 60 tons. The fully welded construction and glass-to-metal cable entry ensures that this product can be used successfully in harsh environments found in the food-, chemical- and allied process industries. The RLC is well suited for high capacity weighing applications, including, tanks, silos, as well as hoppers and process weighing. Hermetically sealed, IP66 IP68 and IP69K. Certified to OIML R-60 and NTEP. The load cell is available in an ATEX approved version for use in hazardous environments.

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Description

RLC Ring Torsion Load Cell

FEATURES
• Capacity range: 250 kg to 60 t
• Low proile, stainless steel construction
• Hermetically sealed, IP66 and IP68; for 250 kg, 5 t and
10 t IP69K is available
• Meets OIML R-60 and NTEP 6000d
• Outputs are matched to ensure easy and accurate
parallel connection of multiple load cells
• Optional
❍ ATEX certiied versions are available for use in
potentially explosive atmospheres
❍ Multi-interval and multiple-range versions are available

APPLICATIONS
• Platform scales
• Belt scales
• Silo hopper weighing

SPECIFICATIONS
PARAMETER VALUE UNIT
Standard capacities (Emax) 0.25, 0.5, 1, 2, 3.5, 5, 10, 28, 60 t
Accuracy class according to OIML NTEP IIIL D3 C3(3) C6(2)  
Maximum no. of verfication intervals (nlc) 10000   3000 6000  
Minimum verification interval     Emax/10000 Emax/15000  
Minimum verification interval type MR     Emax/20000(1) Emax/28000  
Rated output (=S) 2 (1.75 for 0.25 t, 2.05 for 10 t) mV/V
Output accuracy for multiple LC systems 0.01 ±% mV/V
Zero balance 1.0 ±% FSO
Combined error 0.0200 0.0300 0.0230 0.0115 ±% FSO
Creep error (30 minutes)     0.0245 0.0123 ±% FSO
Temperature effect on zero (0.0010) (0.0010) 0.0070 0.0045 ±% FSO/5°C (/°F)
Temperature effect on sensitivity (output) (0.0008) (0.0008) 0.0050 0.0025 ±% FSO/5°C (/°F)
Minimum dead load 0 % Emax
Maximum safe overload 150 % Emax
Ultimate overload 300 % Emax
Maximum safe side load 100% up to 10 t 50% for 28 & 60 t % Emax
Deflection at Emax 0.12–0.20 mm
Excitation voltage 5 to 15 V
Maximum excitation voltage 30 V
Input resistance 1110±50 (1100±50 for 0.25 t and 10 t) 1075±100 for 28 t 1350±100 for 60 t Ω
Output resistance 1025±25 (1025±50 for 0.25 t and 10 t) 930±0.5 for 28 t 1175±0.5 for 60 t Ω
Insulation resistance ≥5000 (20 for 28 and 60 t) MΩ
Compensated temperature range -10 to +40 °C
Operating temperature range -30 to +70 °C
Storage temperature range -50 to +80 °C
Element material (DIN) Stainless steel 1.4542  
Sealing (DIN 40.050 / EN60.529) IP66 and IP68; IP69K available for 250 kg, 5 t and 10 t  
Recommended torque on fixation bolts 12 to 14 N*m
ATEX opt. for potent. explosive atmo- spheres II2G EEx ib IIC T4/T6, II2D, IIID T70 II3G nA II T4/T6  

(1) Capacities of 28 and 60 ton Emax/15,000 approved to OIML C3 only

(2) 250 kg and 10 t capacities are approved to OIML C3 only. Maximum application range for 0.5 t is 0.75*Emax.

(3) The following accuracy classes are available (from 0.5 t to 10 t): C3MI6 and C3MI7.5. Minimum dead load output return is

½ Emax/6000 and ½ Emax /7500 respectively FSO—Full Scale Output

All speciications subject to change without notice.

 

 

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