
Features and uses:
Ex ia IIC T4 Ga;Ex iaD 20 T135
Suitable for bagging scales, belt scales, hopper scales and process weighing applications in chemical, pharmaceutical, food and other industries
Naming rule: load cell LWA (a) -b-c-d-e-f-g-h-i
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Product Type |
Type |
Elastomer Class |
Capacity (kg) |
Certification/Area |
Temperature |
Load Cell Accuracy |
Load Cell Cable Length |
Backup |
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a |
b |
c |
d |
e |
f |
g |
h |
i |
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LW-Load cell A-Analog Load cell |
WB702 |
(Empty): stainless steel 17-4PH |
110, 220, 550, 110, 0, 220, 0, 300, 0, 440, 50, 100, 200, 300 |
N: Standard X: Explosion-proof |
S: Normal temperature |
C3, C6 |
3.5m, 6m |
A: Standard, Threadless, Output Sensitivity 1.94 mV/V C: Full thread, output sensitivity 1.94 mV/V D: Half thread, output sensitivity 1.94 mV/V F: Customization |
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Specifications |
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Model |
WB702 |
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Rated capacity |
|
110 |
220 |
550 |
1100 |
2200 |
3000 |
400 |
110 |
220 |
550 |
1100 |
2200 |
3000 |
400 |
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Sensitivity |
mV/V |
0.97 ±0.002 |
1.94 ±0.002 |
0.97 ±0.002 |
1.94 ±0.002 |
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Accuracy class |
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C3 |
C6 |
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Repeatability error |
%R.C. |
≤0.012 |
≤0.01 |
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Lag |
%R.C. |
≤0.02 |
≤0.01 |
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Non-linearity |
%R.C. |
≤0.018 |
≤0.01 |
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Creep (30 minutes) |
%R.C. |
≤0.0167 |
≤0.01 |
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Zero output |
%R.C. |
≤1.0 |
≤1.0 |
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Temperature compensation range |
°C |
-10~+40 |
-10~+40 |
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Opeclassification temperature range |
°C |
-40~+65 |
-40~+65 |
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Temperature coefficient of sensitivity |
%R.C./°C |
≤0.0009 |
≤0.0005 |
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Zero temperature coefficient |
%R.C./°C |
≤0.002 |
≤0.0013 |
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Input impedance |
Ω |
385±10 |
385 ±10 |
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Output impedance |
Ω |
350 ±1 |
350 ±1 |
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Insulation resistance |
MΩ |
≥5000 (100V DC) |
≥5000 (100V DC) |
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Recommended excitation voltage |
V (DC/AC) |
5~15 |
5~15 |
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Maximum excitation voltage |
V (DC/AC) |
20 |
20 |
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Safety overload |
%R.C. |
150 |
150 |
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Extreme overload |
%R.C. |
300 |
300 |
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IP Class |
|
IP68/69k |
IP68/69k |
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Cable length |
m |
3.5 |
6 |
3.5 |
6 |
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Recommended Bolts |
Bolt size |
|
M12 |
M14 |
M18 |
M12 |
M14 |
M18 |
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Strength class |
|
A2-70/Class 8.8 or above |
A2-70/Class 8.8 or above |
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Tightening torque |
Nm |
120 |
196 |
300 |
120 |
196 |
300 |
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Overall dimension (mm)
WB702-A 0.11, 0.22, 0.55, 1.1, 2.2, 3, 4.4t