설명
Weighdisc WDI 25 … 200 t – 0.07
Application
-
Ladle turret scales
-
Ladle ferries
-
Scrap bucket, roller table, weighing and tundish scales
-
Train scales
-
Silo-, hopper and furnace scales
Construction
-
Rotationally symmetrical design
-
Two fastening flanges
-
Rugged measuring body without diaphragm
-
Very low headroom and installation space
-
Optional: Connection of cable and Weighdisc through a connector
Function
-
Simple and economical installation through direct screwing to the connecting structure without movable parts
-
Virtually impervious to shock loads and side forces
-
Minimal measurement value reaction on high interferential forces and moments
-
Suitable to the construction of service-free scales in severe environments
-
High overload capability
-
High degree of repeatability
Operating principle
| WDI 25 – 0.07 | WDI 50 – 0.07 | WDI 100 – 0.07 | WDI 200 – 0.07 | Reference | ||
| Rated capacity | Emax | 25 t | 50 t | 100 t | 200 t | |
| Limit load (with L q=0,15xL n)
Limit load = Maximum admissible load |
LI | 75 t | 150 t | 300 t | 600 t | |
| Rupture load (with L q=0,15xL n) | Ld | 125 t | 250 t | 500 t | 1000 t | |
| Max. admissible side load | Lqmax | 12 t | 25 t | 50 t | 100 t | |
| Sensitivity | Cn | 0.9 mV/V | Emax | |||
| Combined Error | Fcomb | + 0.07 % | Cn | |||
| Creeping under load (30 min) | Fcr | 0.05 % | Cn | |||
| Input resistance | Re | 756 Ohm + 6 Ohm | Tr | |||
| Output resistance | Ra | 700 Ohm + 4 Ohm | Tr | |||
| Reference supply voltage | Usref | 10V | ||||
| Max. supply voltage | Usmax | 36V | ||||
| Nominal temperature range | Btn | – 10°C to + 80°C | ||||
| Service temperature range | Btu | – 15°C to + 125 °C | ||||
| Reference temperature | Tr | + 22°C | ||||
| Storage temperature range | Bts | – 50°C to + 130°C | ||||
| Temperature effect on zero signal | TKo | + 0.05% / 10K | Cn in Btu | |||
| Temperature effect on sensitivity | TKc | + 0.03% / 10K | ||||
| Dead weight | me | 10 kg | 10 kg | 20 kg | 47 kg | |
| Corrosion protection | hot dip galvanized | |||||
| Protection class | IP 67 | |||||
|
Cable specification |
Standard: silicon cable (Æ 6,5 mm x 15 m), hardwired, screened; Bending radius: > 40 mm; Temperature range: -30 …+150 °C
Optional: same silicon cable (Æ 6,5 mm x 15 m) with plug (Æ 30 mm x 160 mm) 200 mm distance from Weighdisc |
|||||
| Colour code | black: input + / blue: input – red: output + / white: output – green-yellow : screening | |||||
Mounting Dimensions
| Variant | A
mm |
B
mm |
C
mm |
D
mm |
E
mm |
F
mm |
G
mm |
H
mm |
I
mm |
K
mm |
L | M
mm |
| WDI 25t / 50t | 192 | 136 | 70 | 65 | 28 | 5 | 16 | 168 | 115 | 17,5 | M16 | 26 |
| WDI 100t | 265 | 195 | 100 | 88 | 36 | 8 | 23 | 234 | 164 | 22 | M20 | 32 |
| WDI 200t | 350 | 263 | 140 | 120 | 54 | 8 | 25 | 310 | 220 | 26 | M24 | 38 |
Connecting surface quality requirements
- Material quality „A“: Usually construction steel of a minimum quality S235 is used
- Plate thickness „B“: Depends on stiffness of total construction. Plate thickness of connecting surface must be such high, that maximum deflection is less than 0.05 mm.
- Surface quality „C“: Requisite mean roughness of the connecting surfaces is 6.3 μm
- Planeness „D“: Maximum admissible planeness tolerance within every connecting surface is 0.03 mm
- Plane parallelism „F“: Upper and lower connecting surfaces to the Weighdisc have to be plane parallel to minimum 0.1 mm
| Variant | Order No. |
| Weighdisc with hardwired cable (15 m) | |
| WDI 25 t – 0.07 | V039000.B05 |
| WDI 50 t – 0.07 | V039000.B06 |
| WDI 100 t – 0.07 | V039000.B07 |
| WDI 200 t – 0.07 | V039000.B08 |
| Weighdisc with plug and cable (15m) | |
| WDI 25 t – 0.07 K | V039000.B01 |
| WDI 50 t – 0.07 K | V039000.B02 |
| WDI 100 t – 0.07 K | V039000.B03 |
| WDI 200 t – 0.07 K | V039000.B04 |
| Spare Part: | |
| 15 m connecting cable with plug | V023643.B01 |
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