Technical specifications | |
Mode of operation | |
Measuring principle | Strain gauge load cells measuring load on belt conveyor idlers |
Typical application | Mobile crusher systems |
Measurement accuracy | |
Accuracy1) | - ± 0.5 … 1 % of totalization over 25 … 100 % operating range, application dependent
- ± 2 % of totalization over 25 … 100 % operating range on mobile crusher applications
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Repeatability | ± 0.1 % |
Belt design | |
Belt width | - Up to 1 600 mm (60 inch CEMA) width
- Refer to the outline dimension section
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Belt speed | Up to 4 m/s (800 fpm)2) |
Capacity | Up to 2 400 t/h (2 640 STPH) at maximum belt speed |
Conveyor incline | - ± 20° from horizontal, fixed incline
- Up to ± 30° with reduced accuracy3)
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Idlers | |
Idler profile | - Flat to 35°
- To 45° with reduced accuracy3)
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Idler diameter | 100 … 150 mm (4 … 6 inch) |
Idler spacing | 0.6 … 1.2 m (2.0 … 4.0 ft) |
Load cell | |
Construction | 17-4 PH (1.4568) stainless steel construction with 304 (1.4301) stainless steel cover |
Degree of protection | IP67, IP65 on hazardous approved models |
Cable length | 3 m (10 ft) |
Excitation | 10 V DC nominal, 15 V maximum |
Output | 2 mV/V excitation at rated load cell capacity |
Non-linearity and hysteresis | 0.02 % of rated output |
Non-repeatability | 0.01 % of rated output |
Capacity | 25, 50, 100, 250, 500 lb stainless steel |
Overload | 150 % of rated capacity, ultimate 300 % of rated capacity |
Temperature | - -50 … +75 °C (-58 … +167 °F) operating range
- -40 … +65 °C (-40 … +150 °F) compensated
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Weight | Up to 20 kg (44 lb), 10 kg (22 lb) per side |
Interconnection wiring
(to integrator) | - < 150 m (500 ft) 18 AWG (0.75 mm?) 6 conductor shielded cable
- > 150 m (500 ft) to 300 m (1 000 ft) 18 … 22 AWG (0.75 … 0.34 mm?), 8 conductor shielded cable
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Approvals | - CSA/FM Class II, Div. 1, Groups E,F,G and Class III
- ATEX II 2D, Ex tD A21 IP65 T90 ?C
- EAC Ex
- IEC Ex, Ex tD A21 IP65 T90 ?C
- CE, RCM, EAC, RTN
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