설명
ZC Series – Load Cells
Product Description
Note: Not available in the US.
The load cells of the ZC series have been designed for application in platform scales in the classes C1 to C3 according to OIML-RI 60 for platform sizes up to 600The load cells of the ZC series have been designed for application in platform scales in the classes C1 to C3 according to OIML-RI 60 for platform sizes up to 600 mm × 600 mm. They are made entirely of high strength low-hysteresis aluminum alloy with its outstanding measuring properties. The sensing element itself is a well-proven configuration of parallel benders. Metal-foil strain gauges transform the elastic deformation of the sensing element into a truly proportional electrical signal, which can be processed by an electronic weighing unit. The strain gauges are under a heavy-duty cover plate to protect them against climatic influences. As a standard, the load cells are equipped with a 1.5 m connection cable (different lengths or 6-wire connection are optional). In addition to the nominal loads given in the specification, intermediate load values can be delivered. It is a matter of course that these load cells, after calibration in N, can also be supplied as high-precision force transducers up to the accuracy class 0.05%. Due to their single-point configuration, these cells are largely insensitive to the off-center introduction of force. The load cells may also be supplied with an integrated amplifier (model ZC-E). Their electrical output can be chosen as either (0 to 10) V or (4 to 20) mA.
Features
- 5 kg to 1000 kg (50 N to 10 kN)
- Single-point-load-cells
- High-accuracy (classification according to OIML-RI 60)
- Very easy assembly
- Made of high-strength aluminum alloy
- Enclosure protection IP 42
Specifications
| ACCURACY CLASS | 0.1 | 0.05 | C1 | C2 | C3 | |
|---|---|---|---|---|---|---|
| Nominal force (=F,N) | kN | 0.05/0.1/0.2/0.5 1/2/5/10 | ||||
| Nominal load (=FN) | kg | 5/10/20/50 1000 100/200/500 | ||||
| Max. permissible force/load | %FN | 150 | ||||
| Ultimate overload | %FN | >300 | ||||
| Max. transverse force/load | %FN | 100 | ||||
| Minimum application range | %FN | 25 | ||||
| Reference temperature | °C | +23 | ||||
| Nominal temperature range | °C | -20 to +60 | -10 to +40 | |||
| Operating temperature range | °C | -30 to +70 | ||||
| Storage temperature range | °C | -40 to +70 | ||||
| Enclosure protection (DIN 40050) | IP 42 | |||||
| Nominal sensitivity (=S) | mV/V | 2.000 ±0.002 | 2.0 ±0.2 | |||
| Zero tolerance band | %S | ≤1 | ||||
| Max. supply voltage | V | 12 | ||||
| Input resistance | Ω | 410 ±30 | ||||
| Output resistance | Ω | 352 ±1.5 | ||||
| Insulation resistance | Ω | >5 × 109 | ||||
| Combined error a) | %S | ≤0.030 | ≤0.023 | ≤0.021 | ||
| Variability b) | %S | ≤0.030 | ≤0.010 | ≤0.010 | ||
| Linearity error b) | %S | ≤0.1 | ≤0.05 | |||
| Width of backlash | %S | ≤0.1 | ≤0.05 | |||
| TC of zero per 10 K | %S | ≤0.05 | ≤0.025 | ≤0.025 | ≤0.012 | ≤0.008 |
| TC of sensitivity per 10 K | %S | ≤0.1 | ≤0.05 | ≤0.017 | ≤0.010 | ≤0.008 |
| Zero recovery error (30 min) | %S | ≤0.1 | ≤0.05 | ≤0.050 | ≤0.025 | ≤0.017 |
| Creepage error (30 min) | %S | ≤0.1 | ≤0.05 | ≤0.049 | ≤0.024 | ≤0.024 |
| Off-centre load error according to OIML R76 | %S | ≤0.06 | ≤0.03 | ≤0.02 | ||
| Platform size | mm | 400×400 Configuration 1 600×600 Configuration 2 |
||||
a) According to VDE / VDI 2637
b) According to VDE / VDI 2638
Option : The transducers can be delivered with an internal amplifier delivering an output signal of 0(4) – 20 mA or 0 – 10 V within precision classes 0.2 and 0.5.
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