Lovibond MD 100 Mode D'emploi page 45

GB Checking the device
Zero
Test
On
Off
Zero
Test
MD1X0/200_1b 9b/2020
If the result falls outside of the tolerance, the shelf life of the standard
must be checked as well as whether the photometer is in the factory
calibration. If this applies, we recommend returning the device to the
manufacturer or distributor.
Referencestandards-Kitsfor MD 100, MD 110 and MD 200
The reference standards are only used to check the measurement
accuracyfor the photometerslisted in the test certificate. Thecalibration
of these devices is stable in the long term under normal working
conditions. The photometer cannot be calibrated with the reference
standard.
The reference standards are delivered in tightly sealed vials.
The target values for each standard are documented in the certificate.
The shelf life of the reference standard is two yearsfrom the date of
manufacture, provided it is used and stored correctly. The outside of
the vials must always be cleaned with a clean cloth before use.
Part- Material
Number
275650 Kit chlorine for devices with tablet/
liquid reagents
275655 Kit chlorine for devices with tablet/
liquid reagents
275656 Kit chlorine for devices with tablet/
liquid reagents
275660 Kit chlorine for deviceswith tablet /
powder reagents
275670 Kit pH for deviceswith tablet / liquid
reagents
* Standard value, exact value according to the analysiscertificate.
Use of a verification standard kit (see also verification standard
kit, page 44)
pressand and hold
press briefly, release
release
range
0,2* + 1,0* mg/l
0,5* + 2,0* mg/l
1,0* + 4,0* mg/l
0,2* + 1,0* mg/l
7,45* pH
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