Non-intrinsically-safe circuits

Load cell powering

Rated voltage U_n1

10 V DC

Permissible error voltage

250 V AC

Internal resistance of the load cells

? 8.7 ?/V

? 18 ?/V

Total

< 4 010 ?

Sensor line

Rated voltage U_n2

10 V DC

Permissible error voltage

250 V AC

Measuring signal line

Rated voltage U_n3

10 ... 40 mV DC

Permissible error voltage

250 V AC

Intrinsically safe circuits

Load cell powering

No-load voltage U₀₁

? 13.1 V DC

Voltage against equipotential bonding cond.

? 6.6 V DC

Short-circuit current I_K1

? 120 mA

? 58 mA

Sensor line

No-load voltage U₀₂

? 14.4 V DC

Voltage against equipotential bonding cond.

? 7.2 V DC

Short-circuit current I_K2

? 25 mA

Measuring signal line

No-load voltage U₀₃

? 12.8 V DC

Voltage against equipotential bonding cond.

? 6.4 V DC

Short-circuit current I_K3

? 54 mA

Total connection load

(when circuits are connected together)

No-load voltage U₀

? 14.4 V DC

Short-circuit current I_K

? 199 mA

? 137 mA

Power P_O

? 1.835 W

? 1.025 W

For gas group II C

Max. permissible external capacitance C_a3

500 nF

450 nF

Max. permissible external inductance L_a

0.15 mH

0.5 mH

For gas group II B

Max. permissible external capacitance C_a3

2 000 nF

Max. permissible external inductance L_a

1 mH

2 mH

General data

Housing dimensions

See dimensional drawings

Weight, approx.

500 g

Permissible ambient temperature

• During operation

-10 ... +60 °C (14 ... 140 °F)
(for vertical mounting)

• During operation for legal-for-trade medium accuracy weighing machines

-10 ... +40 °C (14 ... 104 °F)
(for vertical mounting)

• During transportation and storage

-40 ... +85 °C (-40 ... +185 °F)

Permissible relative humidity

? 95 %

Degree of protection

IP20

Approvals

EC type test certificates No.

TUV 01 ATEX 1722 X

Type of explosion protection

Intrinsic safety "i"

II (2) G [Ex ibGb] IIC

or

II (2) D [EX ib Db] IIIC

IEC certification

IECEx TUN 06.0002 X

[Ex ib Gb] IIC

or

[EX ib Db] IIIC

Calibration approval (German Testing Laboratory test certificate) according to

EN 45501, OIML R76-1, 90/384/EEC