
Features and uses:
Ex ia IIC T4 Ga; Ex iaD 20 T135
Suitable for stainless steel waterproof scales and process weighing in chemical, food and pharmaceutical industries
Naming rule: load cell LWA (a) -b-c-d-e-f-g-h-i
|
Product Type a |
Model b |
Elastomer Class c |
Capacity (kg) d |
Certification/Area e |
Temperature f |
Load Cell Accuracy g |
Load Cell Cable Length h |
Backup i |
|
LW-Load cell A-Analog Load cell |
WB702 |
SH: Stainless steel 17-4PH |
10, 20, 30 |
N: Standard X: Explosion-proof
|
S: Normal temperature
|
C3
|
2m |
A: Standard, output sensitivity 2.0 mV/V F: Customization |
|
Specifications |
|||
|
Model |
WB702SH |
||
|
Rated capacity |
|
10, 20, 30 |
|
|
Sensitivity |
mV/V |
2±0.2 |
|
|
Accuracy class |
|
C3 |
|
|
Repeatability error |
% R.C. |
≤0.01 |
|
|
Lag |
% R.C. |
≤0.02 |
|
|
Non-linearity |
% R.C. |
≤0.02 |
|
|
Creep (30 minutes) |
% R.C. |
≤0.02 |
|
|
Zero output |
% R.C. |
≤10 |
|
|
Temperature compensation range |
°C |
-10~+40 |
|
|
Opeclassification temperature range |
°C |
-40~+65 |
|
|
Temperature coefficient of sensitivity |
% R.C./℃ |
≤0.0009 |
|
|
Zero temperature coefficient |
%R.C/℃ |
≤0.0023 |
|
|
Input impedance |
Ω |
380±15 |
|
|
Output impedance |
Ω |
350±10 |
|
|
Insulation resistance |
MΩ |
≥5000 (100V DC) |
|
|
Recommended excitation voltage |
V (DC/AC) |
5-15 |
|
|
Maximum excitation voltage |
V (DC/AC) |
20 |
|
|
Safety overload |
% R.C. |
150 |
|
|
Extreme overload |
% R.C. |
300 |
|
|
IP Class |
|
IP68/IP69K |
|
|
Cable length |
m |
2 |
|
|
Maximum table size |
mm |
350X350 |
|
|
Recommended Bolts |
Bolt size |
|
M6 |
|
Strength class |
|
A2 -70 or above |
|
|
Tightening torque |
Nm |
20 |
|
Overall dimension (mm)
WB702SH 10, 20, 30kg