SIWAREX R load cells, BB series

Possible applications

Container, conveyor and platform scales

Model

Bending beam

Rated load/maximum load E_max

10/20/50/100/200/350 kg

Accuracy class according to OIML R60

C3

Max. load cell verification intervals n_lc

3000

Min. load cell verification intervalls V_min

E_max./15000

Minimum application range R_min(lc)

20 %

Combined error F_comb

≤ ± 0.02 % C_n

Repeatability F_v

≤ ± 0.01 % C_n

Return of zero signal

≤ ± 0.0167 % C_n¹⁾

Creep error F_cr

• 30 min

≤ ± 0.0245 % C_n¹⁾

• 20 ... 30 min

≤ ± 0.0053 % C_n¹⁾

Temperature effect

• Zero signal T_Ko

≤ ± 0.0045 % C_n/5K

• Characteristic value T_Kc

≤ ± 0.0045 % C_n/5K

Min. dead load E_min

≥ 0 % E_max.

Safe load limit L_u

150 % E_max.

Ultimate load L_d

300 % E_max.

Safe side load L_Iq

100 % E_max.

Rated measuring path h_n at E_max.

0.3 ± 0.03 mm

Supply voltage U_sr
(reference value)

10 V

Supply voltage (range)

5 ... 15 V

Rated characteristic value C_n

2 mV/V

Tolerance D_c of characteristic value

± 1 %

Tolerance D_o of zero signal

≤ ± 1.0 % C_n

Input resistance R_e

460 О© ± 50 О©

Output resistance R_a

350 О© ± 3.5 О©

Insulation resistance R_is

≥ 5000 MΩ

Rated temperature range B_tn

-10 ... + 40 °C

Operating temperature range B_tu

-40 ... + 80 °C

Storage temperature range B_ts

-40 ... + 90 °C

Sensor material (DIN)

Stainless steel, mat. no. 1.4542

Degree of protection according to EN 60529; IEC 60529

IP66/IP68

Max. tightening torque of the fixing screws

23 Nm

Current calibration²⁾

Standard

Ex protection to ATEX (optional)

II 2 G EEx ib IIC T6/T4
II 3 G EEx nA / nL IIC T6/T4
II 1D / 2D / 3D T 70 °C

Cable connection

Function

Color

• EXC + (supply +)

Green

• EXC - (supply -)

Black

• SIG + (measured signal +)

White

• SIG - (measured signal -)

Red

• Screening

Transparent