Caractéristiques principales

Miniature diaphragm loadcell
Measurement range: 10kg, 20kg, 40kg, 80kg, 160kg, 320kg, 640kg
Tension, compression and bi-directional
Non-lin./hysteresis: 0.5/0.5% RL
Dimensions (mm): ø30 x 25
Easy installation
Sealed to IP65

About the ALF255 Miniature Diaphragm Load Cell

The ALF255 is ideally suited to force measurements in confined spaces in both tension and compression for control of critical parameters in all kinds of industrial processes. Their versatility is such that they are also applied in a great number of important fields of scientific and engineering test work, mobile as well as workshop, static and dynamic.

Geometry: Very small loadbutton cell for force measurement in confined spaces. Used in compression and/or tension on a wide range of OEM or end-user applications.

With bi-directional versions there is a small difference between the output signal for compression and tension. All standard bi-directional loadcells are calibrated in both modes and the output for each direction is stated on the test / calibration certificate.

Application area

Industrial process
Scientific and engineering test work

Other features ALF255

Tension / compression / bi-directional calibration
Hardened stainless steel body
Traceable calibration with certificate
Included in the standard price
Standard 2 year warranty

All standard ranges are manufactured in stainless steel.
When this loadcell is rationalised the resistors are housed in a capsule located in the loadcell cable 100mm from the free end. Capsule dimensions are Ø10mm by 57mm.

Notes
1. AL = Applied load. 3. Temperature coefficients apply over the compensated range.
2. RL = Rated load. 4. The load must be applied directly through the central loading axis.

Connections

The loadcell is fitted with 2 metres of PVC insulated 4 core screened cable type 7-1-4C.
Excitation + = Red Signal + = Yellow Screen = Orange
Excitation - = Blue Signal - = Green
Reverse the signal connections to obtain a positive signal in tension mode. The screen is not connected to the loadcell body.

We are happy to design variants of this loadcell to meet your specific requirements. Versions can be manufactured for operation up to +250°C. Please consult our engineering department.

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Spécifications techniques

Spécifications	Valeur
Bridge resistance	350 Ω
Creep - 20 minutes	±0.1, % AL
Excitation voltage - maximum	10V
Excitation voltage - recommended	10V
Hysteresis	±0.5, % RL
Insulation resistance - minimum at 50vdc	500 MΩ
Load direction	Tension, compression, bi-directional
Measurement range	10kg, 20kg, 40kg, 80kg, 160kg, 320kg, 640kg
Non-linearity - terminal	±0.5, % RL
Overload - safe	50% RL
Overload - ultimate	100 % RL
Rated output - nominal	1.6, mV/V
Rated output - rationalised	1.0, mV/V
Rationalisation tolerance	±0.5, % RL
Repeatability	±0.1, % RL
Sealing	IP65
Temperature effect on rated output per °c	±0.005% AL
Temperature effect on zero load output per °c	±0.03% RL
Temperature range - compensated	-10 to +50°C
Temperature range - safe	-10 to +80°C
Zero load output	±4, % RL

ALF255 Miniature Load Cell