KERN & SOHN KFN-TM - Manual (Page 68)

Annex page 4 of 7
Annex to Test Certificate No. DK0199-R76-11.04
Issued by DELTA
6. Location of seals and inscriptions
Seals shall bear the verification mark of a notified body or alternative mark of the manufacturer ac-
cording to ANNEX II, section 2.3 of the Directive 2009/23/EC. The seals shall be placed so that the
enclosure can not be opened.
Location of CE mark of conformity:
The CE mark of conformity is placed on the overlay on the rear side of the device.
Inscription on the overlay:
Type, accuracy class, Temp. -10 °C / +40 °C, Certificate No. DK0199-R76-11.04.
Other inscriptions on the overlay:
Manufacturer’s name and/or logo, Part No, Supply voltage.
7. Tests
The indicator has been tested according to EN 45501 and WELMEC 2.1 Guide for testing
of indicators.
Examination / tests
Temperature tests: 20 / 40 / -10 / 5 / 20 (tested at minimum input-voltage sensitivity)
Temperature effect on no-load indication (tested at minimum input-voltage sensitivity)
Stability of equilibrium
Repeatability
Warm-up time
Voltage variations
Short time power reductions
Electrical bursts
Electrostatic discharges
Immunity to radiated electromagnetic fields
Damp heat, steady state
Span stability
Checklist
Maximum load cell cable length and impedance of cable to load cell
Load cell interface measurements with interruptions of the sense circuit
The test item fulfilled the maximum permissible errors at all tests.