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Substrate pH/Temp S300 Pro 2

pH and Temp
Article number AMT1030

Substrate pH/Temp S300 Pro 2

The S300 Pro 2 is the ideal meter to measure the pH and temperature of coconut soil and other moist, soft substrates and liquids. The meter features a modern and robust housing with easy to operate buttons. The S300 Pro 2 includes a pH electrode of unprecedented quality. The meter is delivered fully calibrated and includes batteries.

How does the meter work?

  1. Connect the BNC connector of the electrode to the pH meter and remove the protective cap containing storage solution from the electrode.
  2. Rinse the electrode with running water and dry it using clean kitchen paper.
  3. Press the on/off button to turn on the meter.
  4. Place the electrode in the (soft) substrate (make sure the substrate is well wet/damp, otherwise the meter will not work properly) or liquid to be measured. 
  5. Wait for the value to stabilise. The measurement is now complete.
  6. Press the HOLD button to save the measurement. Do not forget to press the HOLD button again when the meter is used once more.
  7. Rinse the electrode with clean water after use, so that no residue is left on the electrode. Replace the electrode in the protective cap containing the storage solution.
  8. Press the on/off button to turn off the meter.

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

This package contains:

  • 1 x Digital Substrate pH/Temp  meter S300 Pro 2

  • 1 x User Manual (NL + EN + DE)


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

3559_20220419182212_AMT_S300 Pro 2 Manual.pdf User manual Substrate pH/Temp S300 Pro 2 (Dutch, English, German)


pH: 0.0 ~ 14.0 pH

Temp.: 0°C ~ 50°C (32°F ~ 122°F)


pH: ± 0.1 pH

Temp.: 0.1 ºC (1.0 ºF)


pH: ± 0.1 pH
Temp.: ±0.5°C (32°F)
Temp. compensation: 0°C - 50°C (32°F - 122°F)

Calibration pH: 2 point auto 4.0 - 7.0 pH
Features Battery indicator & automatic temp. compensation
Power supply 3 × 1.5 Volt AG-13 button cell battery (included)
Auto. power-off After 8 minutes
Calibration indicator With correct calibration
Waterproof IP65 (electrodes are IP67 waterproof)
Dimensions 220 x 40 x 40 mm
Weight 158 grams

S300 Pro 2 pH electrode
S300 Pro 2 pH electrode
Article numberAMT1031

S300 Pro 2 pH electrode

Replaceable pH electrode for Substrate pH/Temp S300 Pro 2
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