Description
Model F1224 Compression force transducer with strain gauges
Miniature design for rated forces from 250 lb [1.112 kN]
The model F1224 compression force transducer in miniature design with strain gauges is suitable for both static and dynamic force measurement in the direct force flow.
The spherical cap with spherical surface, also known as load introduction button, serves to absorb compression forces and ensures axial, perpendicular and centred force introduction. The force is thus transmitted centrally and evenly into the instrument.
This enables precise measurement of the actual compression forces in a wide variety of applications.
The measuring spring is elastically deformed by a compression force introduced in the force direction. The resulting mechanical tensions are measured by the strain gauges, converted into an electrical output signal and output as an mV/V signal.
Thanks to its very compact miniature design, the instrument is particularly suitable for use in confined installation situations. It can be mounted both horizontally and vertically.
The tightly hermetically sealed instrument made of stainless steel is splash-proof and guarantees reliable operation even under harsh operating conditions.
Specifications
| Basic information |
| Standard |
In accordance with directive VDI/VDE/DKD 2638 |
| Material of the measuring body |
Stainless steel |
| Ingress protection (per DIN IEC/EN 60529) |
IP65 |
| Weight |
Approx. 0.168 lb [approx. 76 g] |
| Measuring element |
| Type of measuring element |
Strain gauges |
| Range of use |
For static and dynamic measurement |
| Input resistance Re |
350 Ω |
| Output resistance Ra |
350 Ω |
| Rated displacement snom |
< 0.002 in [< 0.05 mm] |
| Force introduction |
Compression force on spherical cap |
| Accuracy specifications |
| Relative linearity error dlin |
±1 % Fnom |
| Relative reversibility error v |
±0.25 % Fnom |
| Relative repeatability error in unchanged mounting position brg |
±0.1 % Fnom |
| Relative deviation of zero signal dS, 0 |
±2 % Fnom |
| Temperature effect on zero signal TC0 |
≤ ±0.1 % / 10 K |
| Temperature effect on characteristic value TCC |
≤ ±0.1 % / 10 K |
Measuring ranges, rated force Fnom
| lb |
| 250 |
| 500 |
| 1,000 |
| 2,000 |
| 3,000 |
| 4,000 |
| 5,000 |
| 7,500 |
| 10,000 |
| 50,000 |
| 100,000 |
| kN |
| 1.112 |
| 2.224 |
| 4.448 |
| 8.896 |
| 13.34 |
| 17.79 |
| 22.24 |
| 33.36 |
| 44.48 |
| 222.41 |
| 444.82 |
| kg |
| 113.4 |
| 226.8 |
| 453.6 |
| 907 |
| 1,361 |
| 1,814 |
| 2,268 |
| 3,402 |
| 4,536 |
| 22,680 |
| 45,359 |
| Further details on the rated force |
| Force limit FL |
150 % Fnom |
| Breaking force FB |
> 300 % Fnom |
| Vibration stress Frb per DIN 50100 |
70 % Fnom |
| Output signal |
| Rated characteristic value Cnom |
1.5 mV/V |
| Voltage supply |
DC 5 V (max. DC 5 V) for mV/V output |
| Electrical connection |
| Connection type |
Cable outlet, shielded |
| → Customer-specific cable outlet on request |
| Cable diameter |
0.114 in / 0.098 in [2.9 mm / 2.5 mm] |
| Cable length |
59.06 in [1.5 m] |
| → Other cable lengths on request |
| Insulation resistance Ris |
> 5 GΩ for 50 V |
| Material |
PTFE |
| Cable outlet, shielded, 4-wire |
| |
4-wire |
 |
Exc+ |
Red (RD) |
| Exc- |
Black (BK) |
| Sig+ |
White (WH) |
| Sig- |
Green (GN) |
| Shield |
Green-yellow (GNYE) |
Cable colours are only valid when using the standard WIKA cables. Legend Exc+ Positive excitation voltage Sig+ Positive signal output Exc- Negative excitation voltage Sig- Negative signal output
| Operating conditions |
| Rated temperature range BT, nom |
-65 … +250 °F [-54 … +121 °C] |
| High-temperature version up to 482 °F [250 °C] |
| Compensated rated temperature range |
59 … 159,8 °F [15 … 71 °C] |
| Operating temperature range BT, G |
-65 … +250 °F [-54 … +121 °C] |
| Reference temperature Tref |
73 °F [23 °C] |
| Storage temperature range |
-65 … +250 °F [-54 … +121 °C] |
| Humidity |
35 … 85 % relative humidity |
| Condensation |
Non-condensing |
| Operating altitude |
≤ 8,202 ft [2,500 m] above sea level |
| Packaging and instrument labelling |
| Packaging |
Individual packaging |
| Instrument labelling (product label) |
→ See operating instructions 14505085 |
Dimensions in Inch [mm]
| Rated load/force Fnom |
Dimensions in Inch |
| lb |
kg |
kN |
ØA |
B |
C |
ØD |
| 250 |
113.4 |
1.112 |
0.27 |
0.37 |
0.13 |
0.5 |
| 500 |
226.8 |
2.224 |
0.28 |
0.37 |
0.13 |
0.5 |
| 1,000 |
453.6 |
4.448 |
0.31 |
0.37 |
0.13 |
0.5 |
| 2,000 |
907 |
8.896 |
0.41 |
0.37 |
0.13 |
0.5 |
| 3,000 |
1,361 |
13.35 |
0.49 |
0.6 |
0.23 |
0.62 |
| 4,000 |
1,814 |
17.79 |
0.53 |
0.6 |
0.23 |
0.62 |
| 5,000 |
2,268 |
22.24 |
0.53 |
0.6 |
0.23 |
0.62 |
| 7,500 |
3,402 |
33.36 |
0.75 |
0.63 |
0.54 |
0.88 |
| 10,000 |
4,536 |
44.48 |
1.25 |
1.38 |
1.25 |
1.75 |
| 50,000 |
22,680 |
222.41 |
1.25 |
1.38 |
1.25 |
1.75 |
| 100,000 |
45,359 |
444.48 |
1.5 |
1.63 |
1.5 |
2 |
| Rated load/force Fnom |
Dimensions in mm |
| lb |
kg |
kN |
ØA |
B |
C |
ØD |
| 250 |
113.4 |
1.112 |
6.9 |
9.65 |
3.3 |
12.7 |
| 500 |
226.8 |
2.224 |
7.1 |
9.65 |
3.3 |
12.7 |
| 1,000 |
453.6 |
4.448 |
7.9 |
9.65 |
3.3 |
12.7 |
| 2,000 |
907 |
8.896 |
10.4 |
9.65 |
3.3 |
12.7 |
| 3,000 |
1,361 |
13.35 |
12.4 |
15.24 |
5.8 |
16.0 |
| 4,000 |
1,814 |
17.79 |
13.5 |
15.24 |
5.8 |
16.0 |
| 5,000 |
2,268 |
22.24 |
13.5 |
15.24 |
5.8 |
16.0 |
| 7,500 |
3,402 |
33.36 |
19.3 |
16.0 |
13.7 |
22.35 |
| 10,000 |
4,536 |
44.48 |
31.75 |
35.1 |
31.75 |
44.45 |
| 50,000 |
22,680 |
222.41 |
31.75 |
35.1 |
31.75 |
44.45 |
| 100,000 |
45,359 |
444.82 |
38.1 |
41.4 |
38.1 |
50.8 |
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