The 767 calibrated reference from Metrohm allows a quick and easy assessment of a measuring instrument.
It may occasionally happen that an instrument used in the lab appears to be faulty, not functioning correctly, or the measured values displayed untrustworthy.
In most cases it turns out that there were no faults in the electronic and mechanical parts of the instrument and that the causes were external ones, for example, a problem concerning the electrode or the chemistry involved.
The 767 calibrated reference is simply connected to the measuring instrument to be checked instead of the usual sensor.
In this way the functioning and basic accuracy of almost all Metrohm instruments can be checked in a short time.
The 767 can also be used to check the high impedance inputs of instruments such as pH meters or titrators.
The calibrated reference informs about the basic precision of instruments and is a suitable troubleshooter if there are any doubts about the functionality of sensors or instruments.
For example, if using titrators and pH meters, the 767 gives a defined mV or pH signal, while for conductometers, the 767 has the correct conductivity value.
The size of the instrument is 125x85x45mm and the weight is 350g.
This device needs no external power supply; the built-in solar cells supply the energy required.
If there is not enough light the instrument's smart electronics produce a defined error value.
Metrohm calibrates each individual 767.
The actual values are printed on a label fixed to the hinged metal plate.
It is recommended to recalibrate the 767 every five years, which Metrohm will carry out.
