Description
Single Point load cell PR 55
Precise measuring results for scale construction and a wide range of industrial applications.
With the Single Point load cell PR 55, you can rely on the tried-and-tested quality
of a leading manufacturer of industrial weighing technology. The stainless steel
Single Point load cell PR 55 is suitable for loads ranging from 11 kg to 200 kg and
a platform size of 500 mm x 400 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.
- The PR 55 covers a load spectrum from 11 kg to 200 kg. Stainless steel ensures a long product lifetime.
- Comprehensive expertise in scale production ensures high-quality advice for individual projects.
| Single Point load cell PR 55 | ||||
| Parameter | Description | Abbr. | PR 55 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 | 11, 22, 50, 100, 200 | 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 | 22,000 (11 kg and 22 kg) 25,000 (from 50 kg) | |
| 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 | < 0.0063 (11 kg and 22 kg) < 0.0056 (from 50 kg) | %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 | 1100 ± 50 | Ω |
| Output impedance | Between measuring terminals | RO | 960 ± 50 | Ω |
| Insulation impedance | Between measuring circuit and housing at 100 VDC | RIS | >5000 × 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 | -30 … +70 | °C |
| Storage temperature range | Without electrical and mechanical stress | BTi | -50 … +80 | °C |
| Barometric pressure influence | Influence of barometric pressure on output | < 0.004 | %Cn/kPa | |
| Nominal deflection | Max. elastic deformation under maximum capacity | Snom | < 0.25 | mm |
| Cable length | 3.5 | m | ||
| Material | Stainless steel | |||
| Max. platform size | In compliance with the technical data according to OIML R76 | 500 x 400 | mm × mm | |
| IP protection class | According to EN 60529 | IP66/IP68/IP69 | ||
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 | 11 kg | 22 kg | 50 kg | 100 kg | 200 kg | Unit | |
| OIML | 3000 | 0.5 | 1.00 | 2.00 | 4.00 | 8.00 | g |
| NTEP Class III Multiple | 5000 | 0.5 | 1.00 | 2.00 | 4.00 | 8.00 | g |
Single Point load cell PR 55
rd, (+) supply/LC in wh, (+) sense gy, (-) meas./LC out bu, (-) supply/LC in bk, (-) sense gn, (+) meas./LC out screen
Circuit diagram All dimensions in mm Scope of validity: Single Point load cell LC stainless steel
| Single Point load cell PR 55 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 55 | |
| Model | Order number |
| PR 55/11 kg C3MR | 9409 255 07011 |
| PR 55/22 kg C3MR | 9409 255 07022 |
| PR 55/50 kg C3MR | 9409 255 07050 |
| PR 55/100 kg C3MR | 9409 255 07110 |
| PR 55/200 kg C3MR | 9409 255 07120 |
| PR 55/11 kg C3MRE | 9409 655 07011 |
| PR 55/22 kg C3MRE | 9409 655 07022 |
| PR 55/50 kg C3MRE | 9409 655 07050 |
| PR 55/100 kg C3MRE | 9409 655 07110 |
| PR 55/200 kg C3MRE | 9409 655 07120 |
| PR 55/11 kg III 5000 S | 9409 255 0C011 |
| PR 55/22 kg III 5000 S | 9409 255 0C022 |
| PR 55/50 kg III 5000 S | 9409 255 0C050 |
| PR 55/100 kg III 5000 S | 9409 255 0C110 |
| PR 55/200 kg III 5000 S | 9409 255 0C120 |
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