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Combo Pen P100 Pro

pH, EC, Temp
Article number AMT1011

Aqua master tools P100 pH EC Temp meter

The updated Combo Pen P100 Pro features a modern and robust housing. The improved software now ensures quicker readings of accurate measurements. You can easily replace the electrode should it be worn or damaged.

The Combo Pen P100 Pro is ideal for measuring the EC, pH and temperature of liquid plant nutrition and water in swimming pools, Jacuzzis and ponds. The user-friendly buttons can be used to effortlessly switch between the parameters. The meter is delivered fully calibrated and includes batteries.

How does the meter work?

  1. Remove the protective cover.
  2. Gently clean the electrode with distilled water and dry it off.
  3. Press the On/off button to start the meter.
  4. Insert the meter upright into the solution up to the edge and stir gently. Wait a few seconds for the correct value to appear on the display.
  5. Press the C/F button, to switch between Celsius and Fahrenheit.
  6. Press the MODE button to switch between PH and EC.
  7. Rinse the electrode with water after use and press the On/off button to turn off the meter.

We recommend storing the meter in an upright position with KCI storage solution in the protective cover.

This package contains:

  • 1 x Combo Pen P100 Pro
  • 1 x User manual (NL - EN - DE)
  • 3 × 1,5 Volt AG-13 button cell



pH: 0.1 ~ 14.0 pH
EC: 0,0 ~ 19,9 μS/cm
Temp: 0 C ~ 60 C


pH: 0.1 pH
EC: 0.1 μS/cm
Temp: 0 .1 C


pH: 0.1 pH
EC: 0.1 μS/cm
Temp: ±0.1 C


pH: 7.0 pH
pH: 4.0 pH
EC: 1.4 EC

Temp. compensation

0 ~ 60 C


3 x 1.5 Volt (button cell)

Auto. power-off

5 minutes


0 C ~ 60 C (32 F ~ 140 F)


183 × 37 × 37 mm


90 grams

Waranty Meter: 1 year
Electrode: 6 Months


Here, you will find any attachments to this item. Please click on the icon for an attachment to download it.

3537_20190704155722_handleiding-p100-pro-totaal-ngk-a7-v2.pdf User manual Combo Pen P100 Pro (Dutch, English, German)

-P100 pH calibration.

-P100 EC calibration.

-P100 Replace the electrode

-P100 Troubleshooting


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