설명
Single Point load cells PR 57 & PR 58
Weighing solution with high precision
Ideal for integration in floor scales: with the Single Point load cells PR 57 and PR 58, you can rely on the tried-and-tested quality of a leading manufacturer of industrial weighing technology. Suitable for load ranges of 100 kg to 500 kg and a platform size of up to 600 mm × 600 mm.
Verifiable load cells for a variety of industrial applications
- These load cells, developed in Germany, guarantee the most accurate weighing results. All load cells are verifiable according to OIML and NTEP.
- A comprehensive optional portfolio of transmitters, indicators and controllers ensures reliable continuous processing of the measurement signals as desired.
- pecifically for floor platform scales. Loads from 100 kg to 500 kg. Stainless steel
ensures a long product lifetime. - Comprehensive expertise in scale production ensures high-quality advice for individual projects.
| Single Point load cells PR 57 and PR 58 | |||||
| Parameter | Description | Abbr. | PR 57 C3MR | PR 58 C3MR | Unit |
| Accuracy class | 0.02 | % Emax | |||
| Minimum dead load | Lowest limit of specified measuring range | Emin | 0 | % Emax | |
| Maximum capacity | Highest limit of specified measuring range | Emax | 300, 500 | 100, 250, 500 | kg |
| Maximum usable load | Upper limit for measurements | Elim | 150 | % Emax | |
| Destructive load | Danger of mechanical destruction | Ed | 300 | % Emax | |
| Minimum LC verification | Minimum load cell scale interval, vmin = Emax/Y | Y | 15000 | ||
| Deadload output return | Factor for deadload output return after load (DR = 1/2*Emax /Z) | Z | 3000 | ||
| Rated output | Relative output at maximum capacity | Cn | 2 | mV/V | |
| Tolerance on rated output | Permissible deviation from rated output | dc | < 10 | %Cn | |
| Zero output signal | Load cell output signal under unloaded condition | Smin | 0 ± 5 | %Cn | |
| Repeatability error | Max. change in load cell output for repeated loading | R | < 0.01 | %Cn | |
| Creep | Max. change of output signal at Emax during 30 min. | dcr | < 0.0166 | %Cn | |
| Non-linearity1) | Deviation from best straight line through zero | dLin | < 0.0166 | %Cn | |
| Hysteresis1) | Max. difference in LC output between loading and unloading | dhy | < 0.0166 | %Cn | |
| Temperature effect (TK) on Smin | Max. change related to Cn of Smin per 10K in BT | TKSmin | < 0.0093 | %Cn/10 K | |
| TK on parameter1) | Max. change related to Cn of C per 10K in BT | TKC | < 0.0117 | %Cn/10 K | |
| Off-centre load error | In compliance with the technical data according to OIML R76 | 0.0233 | %Cn | ||
| Input impedance | Between supply terminals | RLC | 380 ± 38 | Ω | |
| Output impedance | Between measuring terminals | RO | 350 ± 25 | Ω | |
| Insulation impedance | Between measuring circuit and housing at 100 VDC | RIS | >5,000 × 106 | Ω | |
| Nominal supply voltage range | To hold the specified performance | Bu | ≤ 12 | VDC | |
| Max. supply voltage | Continuous operation without damage | Umax | 15 | VDC | |
| Nominal ambient temp. range | To hold the specified performance | BT | -10 … +40 | °C | |
| Usable ambient temp. range | Continuous operation without damage | BTu | -20 … +65 | -30 … +70 | °C |
| Storage temperature range | Without electrical and mechanical stress | BTi | -25 … +70 | -50 … +80 | °C |
| Barometric pressure influence | Influence of barometric pressure on output | < 0.007 | %Cn/kPa | ||
| Nominal deflection | Max. elastic deformation under maximum capacity | Snom | < 0.7 | < 0.2 | mm |
| Cable length | 3 | m | |||
| Material | Stainless steel | ||||
| Max. platform size | In compliance with the technical data according to OIML R76 | 600 × 600 | mm × mm | ||
| IP protection class | According to EN 60529 | IP66/IP67 | IP66/IP68 | ||
1) Non-linearity (dLin), hysteresis (dhy) and parameter temperature effect (TKC) are typical values. For OIML R60- and NTEP-approved load cells, the total of these values is within the permitted cumulative error limits.
| Accuracy classes and minimum scale interval, vmin | |||||||
| Maximum number of scale intervals, nmax | PR 57/ 300 kg | PR 57/ 500 kg | PR 58/ 100 kg | PR 58/ 250 kg | PR 58/ 500 kg | Unit | |
| OIML | 3000 | 0.020 | 0.033 | 0.007 | 0.017 | 0.033 | kg |
| NTEP Class III Multiple | 5000 | 0.020 | 0.033 | 0.007 | 0.017 | 0.033 | kg |
19 ±0.1 7 122 19 ±0.1 (7) Load direction 174 43 43 (16) 8x M8x1.25
Single Point load cell PR 57
36.5 60 65 73 (67) 30 ±0.1 26 12 26 6 7 Technical diagrams
rd, (+) supply/LC in wh, (+) sense gy, (-) meas./LC out bu, (-) supply/LC in bk, (-) sense gn, (+) meas./LC out screen
loading direction 38.1 25.4 ±0.1 6.35 86.5 ±0.2 25.4 ±0.1 11 111.9 (38.1) 150 (16) 38.1 8x M8x1.25
Single Point load cell PR 58
6 25.4 ±0.1 12 Circuit diagram All dimensions in mm Ex approval Scope of validity: Single Point load cell LC stainless steel
| Single Point load cells PR 57 and PR 58 certificates | |||
| Zone | Marking | Certificate number | For |
| 0 | II 1G Ex ia IIC T6/T4 Ga | BVS 21 ATEX E 023 X IECEx BVS 21.0024X | Only PR 5x/xx E |
| 20 | II 1D Ex ia IIIC T₂₀₀ 165°C Da | ||
| 2 | II 3G Ex ec IIC T6/T4 Gc | All PR 5x without E | |
| 21 | II 2D Ex tb IIIC T110°C Db | ||
Ordering information
| Single Point load cell PR 57 | |
| Model | Order number |
| PR 57/300 kg C3MR | 9409 257 07130 |
| PR 57/500 kg C3MR | 9409 257 07150 |
| PR 57/300 kg C3MRE | 9409 657 07130 |
| PR 57/500 kg C3MRE | 9409 657 07150 |
| PR 57/300 kg III 5000 S | 9409 257 0C130 |
| PR 57/500 kg III 5000 S | 9409 257 0C150 |
| Single Point load cell PR 58 | |
| Model | Order number |
| PR 58/100 kg C3MR | 9409 258 07110 |
| PR 58/250 kg C3MR | 9409 258 07125 |
| PR 58/500 kg C3MR | 9409 258 07150 |
| PR 58/100 kg C3MRE | 9409 658 07110 |
| PR 58/250 kg C3MRE | 9409 658 07125 |
| PR 58/500 kg C3MRE | 9409 658 07150 |
| PR 58/100 kg III 5000 S | 9409 258 0C110 |
| PR 58/250 kg III 5000 S | 9409 258 0C125 |
| PR 58/500 kg III 5000 S | 9409 258 0C150 |
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