eutech-instruments bromide epoxy User Manual

Instruction Manual

Bromide Electrode

TROUBLESHOOTING HINTS

Symptom Possible Causes

Next Step

Out of Range

defective meter

check meter with shorting

Reading

strap (see meter

instruction manual)

defective electrode

check electrode operation

electrodes not

unplug electrodes and reset

plugged in properly

reference electrode

be sure reference electrode

not filled

is filled

air bubble on membrane

remove bubble by replacing

electrode

electrodes not in solution

put electrodes in solution

Noisy or Unstable defective meter

check meter with

Readings (readings

shorting strap

continuously or
rapidly changing) air bubble on membrane

remove bubble by

re-dipping electrode

electrode exposed

soak electrode in

to interferences

bromide standard

defective electrode

replace electrode

ISA not used

use recommended ISA

meter or stirrer

ground meter or stirrer

not grounded

Drift (reading

samples and standards

allow solutions to come

slowly changing at different temperatures

to room temperature

one direction)

before measurement

electrode exposed

check section entitled

to complexing agents

Complexation

incorrect reference

use recommended

filling solution