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F9304, F93C4 1
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WIKA · Force measurement · Family F93

Wire rope force transducer

With integrated amplifier up to 30 t
Range
0…30 t
Output
4 ... 20 mA
Accuracy
≤ ±1.0 % Fnom
Protection
IP67
ATEXIECExULCSAEx II 2G Ex ib IIC T4 GbEx II 2G Ex ib IIC T3 GbEx I M2 Ex ib I Mb
Price
On request
Depends on configuration
Request a quote
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Description

The wire rope force transducer with integrated amplifier is designed for measuring ranges up to 30 t and wire rope diameters of 8 ... 44 mm. An Ex version is also available.

For the retrofitting of overload protection in existing hoist or crane systems, this force transducer is the first choice. Design changes to the machinery and also static calculations are therefore not needed.

Wire rope force transducer, models F9304, F93C4

The task of this wire rope force transducer is to monitor rope forces - robustly and precisely. The prerequisite for this is a rope anchor point, as the measurement takes place on the stationary rope. For this purpose, the transducer is clamped with a few simple steps onto the rope, once it is fully installed.

Overload electronics as a system solution are also possible.

Special features

  • Measuring ranges 0 ... 1 t to 0 ... 30 t
  • Relative linearity error up to ≤ ±1.0 % F nom
  • Wire rope diameter 8 ... 44 mm, suitable for retrofitting
  • Material: Stainless steel, IP67
  • Optional: Redundant output signal, ATEX version
Identification
ModelF9304, F93C4
Product familyF93
SubcategoryWire rope force transducer
Measuring range
Force ranges0…30 t
Accuracy
Accuracy class≤ ±1.0 % Fnom
Process conditions
Process temperature−20…+80 °C
Mounting typeWire rope clamp
Electrical characteristics
Output signal4 ... 20 mA
Materials
Cell material1.4542, stainless steel
Operating environment
Ambient temperature−40…+85 °C
IP ratingIP67
Certifications and approvals
Certifications
ATEXIECExULCSA
Explosion protection
Ex II 2G Ex ib IIC T4 GbEx II 2G Ex ib IIC T3 GbEx I M2 Ex ib I Mb
Additional details
Overload protection150 %
Datasheet languagesEN
Tables from datasheet
ModelsF9304F93C4
Rated force F nom t1 ... 30
Relative linearity error d lin≤ ±1.0%F nom
Temperature effect on ■ the zero signalTK 0 ■ the characteristic valueTK0.2%F nom /10 K 0.2%F /10 K
Wire rope diameter8 ...44mm
Limit force F L150%F nom
Breaking force F B> 300%F nom
Material of the measuring bodycorrosion-resistant stainless steel, 1.4542, ultrasound-tested 3.1 material
Rated temperature range B T, nom-20 …+80 °C
Service temperature range B T, G-40 …+80 °CEx II 2G Ex ib IIC T4 Gb -25 °C <Tamb < +85 °C Ex II 2G Ex ib IIC T3 Gb -25 °C <Tamb < +100 °C Ex I M2 Ex ib I Mb -25 °C <Tamb < +85 °C Ex II 2G Ex ib IIC T4 Gb -40 °C <Tamb < +85 °C Ex I M2 Ex ib I Mb (only available with cable connection)
Insulation resistance R is> 50 GΩ/50V-
Output signal (rated characteristic value)
C nom ■ Standard ■ Optional4 ...20mA 2 x 4 ...20mA4 ... 20 mA, 2-wire -
Current/power consumptionCurrent output 4 ...20mACurrent output 4 …20mA:Signal current
Supply voltageDC 10 ...30VDC 10 ...30V for current output
Load-≤ (UB - 10 V)/0.024 A for current output
Electrical connectionCircular connector M12 x 1Circular connector M12 x 1
Ingress protection (per IEC/EN 60529)IP67
Vibration resistance20 g, 100 h, 50 ... 150 Hz per DIN EN 60068-2-6
Interference emissionDIN EN 55011
Immunityin accordance with DIN EN 61326-1/DIN EN 61326-2-3 (optional EMC-strengthened versions)
Wiring protectionReverse polarity and overvoltage protection and short-circuit resistance
AccessoriesSafety chain1m
CertificatesATEX: per EN 60079-0:2012 and EN 60079-11:2012 (Ex ib) IECEx: per IEC 60079-0:2011 (Ed. 6) and IEC 60079-11:2011 (Ed. 6) (Ex ib)
OptionCertificates, strength verifications, 3D CAD files (STEP, IGES) on request
4 ...20mA 2-wireDC 0 …10V 3-wire
Supply UB+11
Supply 0V/UB-33
Signal S+14
Signal S-33
ShieldM12 x 1 threadM12 x 1 thread
Circular connector M12 x 1, 4-pin
ATEX Ex ib 4 ... 20 mA 2-wire
Supply UB+1
Supply 0V/UB-3
Signal S+1
Signal S-3
ShieldCase
Cable assignment
Cable colour2-wire3-wire
BrownUB+/S+UB+
White--
Blue0V/S-0V/S-
Black-S+
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Cable assignment
Cable colour2-wire
BrownUB+/S+
White-
Blue0V/S-
Black-