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C138N UNIVERSAL DIGITAL TESTER WITH MICROPROCESSOR FOR LOAD CELLS

Category:

CYBER PLUS 8 EVOLUTION TOUCH-SCREEN
STANDARDS: EN ISO 376 | EN 10002-3
UNI 6326 | DIN 51220 | NF P18-411
ASTM E74 | BS 1610

MAIN FEATURES
Up to 5 decimal points visualization.
LCD display 320×240 pixel.
Large internal memory for load cell calibrations.
Lan and RS232 connections.
Language selection.

This user friendly menu driven digital display, connected to load
cells (mod. C140 to C140-10 and mod. C142 to C142-08) allows
to perform an accurate verification of the loads measured from
machines under control and it allows to produce the corresponding
certificate.
The instrument foresees three memorized cycle verification program
composed of ten measurements each.
At the end of the test the unit automatically elaborates the stored
value and displays:
Effective applied load;
Measured load (over three verification cycles);
Average measured load;
Accuracy in %;
Repeatability;
Relative readability;
Max error.
The tester’s accuracy is ± 0.5% of the indicated load.
TECHNICAL SPECIFICATIONS
HARDWARE:
– High resolution converter up to 24 bit.
– Excitation at 5Vcc
– Standard signals: feed + feed – (0V) signal + signal – and shield
– Remote push button to facilitate the readings’ confirmation during
the calibration and the execution of the cycle of verification.

FIRMWARE:
– Software administration up to ten load cells. It can be used one
cell at a time, selectable among with the ones correctly configured
and installed
– Load measuring range: kN, kg, lb
– Date of test and/or calibration
– Linearization steps or polynomial
– Digital filter of the first programmable order that is able to filter
and settle the value acquired by the electrical cell.
FUNCTIONS:
– Unlimited execution of verification tests
– Code of the device under verification
– Execution of the verification cycles according to the European EN
Standards
– Calculation of all the fundamental parameters required: repeatability
and accuracy percentage error, residual error on the 0
point, maximum relative resolution and class of the device under
verification
– Sending all the data tests to PC, importable in excel
– Direct USB printer connection (PCL compatible printers)
– Administration of tests by Matcal software (accessory).
MAIN PAGE:
– Visualization of all the device data of the selected cell
– Date and time
– Available languages: Italian, English, French, German and Spanish,
Polish (other languages on request).
SOFTWARE:
To download to PC the results (accessory C155-10N).
Hardware technical details: see p. 18
The apparatus, and all the accessories, is contained in a strong and
practical suitcase, immersion resistant with a depressurisation valve.
Power supply: 230V 1ph 50-60 Hz
Dimensions: 360x300x200 mm
Weight: 5 kg approx.

C138-05 FORCE CALIBRATION PROCESS of one load cell to the
digital tester, complete with Matest calibration certificate.
EN ISO 376 | EN 10002-3 Class 2
ACCESSORY (recommended)
C155-10N SOFTWARE
To download to PC the results with possibility of
certificate printout.
STANDARD LOAD CELLS
TO BE USED WITH THE C138N DIGITAL INDICATOR FOR CALIBRATION
OF TESTING MACHINES
STANDARDS: EN ISO 376 | EN 10002-3 Class 2 | ASTM E74 Class A
These load cells are suitable for the calibration of compression
testing machines. They consist of a high quality steel block, named
sensitive element, where some strains have been fitted: the whole
is housed in a stainless steel sheathing. While the load is applied,
strains are transmitted to an amplifier (mod C138N) which gives a
load digital reading. Further advantages is the possibility to equip
different load cells on the same measuring tester and therefore to
check all load capacities.

STRAIN LOAD CELLS HIGH PERFORMANCE
TO BE USED WITH THE C138N DIGITAL INDICATOR FOR CALIBRATION
OF TESTING MACHINES
STANDARDS: EN ISO 376 | EN 10002-3, Class 1 | ASTM E74 Class AA
These electrical strain gauge load cells of high accuracy and stability,
are proposed as an alternative to the standard load cells, for
verification and calibrations of high precision, repeatability, and are
recommended for a professional use, Metrologic Laboratories, SIT
centres. To be used with the Digital Indicator mod. C138N.

TECHNICAL SPECIFICATIONS
Full Scale nominal output: 2 mV/V
Linearity + Hysteresis: ± 0.3% of full scale
Repeatability: ± 0.03% of full scale
CLASS: A

TECHNICAL SPECIFICATIONS
Full Scale nominal output: 2 mV/V
Linearity + Hysteresis: ± 0.1% of full scale
Repeatability: ± 0.03% of full scale
CLASS: AA
C138-11 to C138-14
CALIBRATION CERTIFICATE, issued by an Official Calibration Institute
(ACCREDIA) for one load cell connected to the digital tester
mod. C138N

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