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Conducting Measurements - VOLTCRAFT WM-500 Bedienungsanleitung

Flüssigkeitsmessgerät 5 in 1
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ORP
It is not necessary to calibrate ORP measuring electrodes (not included). But we recommend using a special solution
to check the ORP measuring electrode for its condition.
d) Conducting measurements
pH / COND, TDS, Salt / ORP
1. Remove the protective cap and the moisturizing cap, and then turn on the device using the
2. Press the Mode button (5) and switch to the desired measuring mode.
3. Immerse the measuring electrode 2-3 cm into the solution to be measured. Carry out some stirring movements
and wait for the value in the LCD to stabilize. That can take up to 60 seconds.
4. Briefly.press.the.LOCK / MAX/MIN button (2) to freeze the currently displayed reading.
5. Press the STORE / RECALL button (6), to save the currently displayed reading. "STORE" appears in the
display.
6. Press and hold the LOCK / MAX/MIN.button.for.3.seconds,.until."MAX".and."MIN".start.flashing.in.the.display..
Briefly.press.the.LOCK / MAX/MIN.button,.to.recall.the.MAX.and.MIN.readings..Briefly.press.the.LOCK / MAX/MIN
button to switch between MAX and MIN reading. Press and hold the LOCK / MAX/MIN button again for 3 seconds,
to return to measuring mode.
7. Press and hold the STORE / RECALL button for 3 seconds to recall stored readings in measuring mode. Use
the ▲ (1) and ▼ (7) buttons to scroll through the memory. Press and hold the STORE / RECALL button again
for 3 seconds to exit the search mode.
8. Turn off the device using the
9. Clean the measuring electrode after each measurement and then attach the moisturizing cap dampened with
preservation liquid. Then install the protective cap.
Never touch the surfaces of the inner black conductivity electrode.
The measuring electrode is intended for measuring liquids. It is normal for the pH value to vary while the
measuring electrode is located in open air.
The automatic temperature compensation ("ATC") allows for stable measuring readings even in case of
fluctuating.temperatures.
The display will show "----" if a measured reading is beyond the measuring range of the device.
The.device.automatically.measures.the.range.of.μS/cm,.mS/cm,.ppm.or.ppt.
/ CAL button.
/ CAL button.
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