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E300 Pro Substrate EC/Temp

EC and Temp
Article number AMT1035
EAN-number 8785268023849
$169,59 $140,16excl. VAT
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EC: 0.0 ~ 19.9 mS/cm

Temp.: 0°C ~ 50°C (32°F ~ 122°F)


EC: 0.1 mS/cm

Temp.: 0.1 ºC (1.0 ºF)


EC: ± 2% F.S. (0.0 ~ 4 mS/cm)
Temp.: ±0.5°C (32°F)
Temp. compensation: 0°C - 50°C (32°F - 122°F)

Calibration EC: 1 point auto 1.4 EC
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 171 grams


E300 Pro- How to use

E300 Pro- Calibration 

E300 Pro- Troubleshooting 

E300 Pro- Replace the electrode 

3561_2023011095640_AMT_Manual_E300 Pro.pdf User manual Substrate EC/Temp meter E300 Pro (Dutch, German, Dutch, French, Italian, Spanish)


  1. This device is warranted against defects in materials and workmanship for a period of one year. The electrode is warranted for six months.
  2. The warranty will be effective from the purchase date by the consumer. This warranty rule doesn’t apply to distributors, please contact your sales agent for more warranty details applied to distributors.
  3. Provide a proof of purchase (via receipt) when applying for the warranty.
  4. For warranty service, contact your purchase point.
  5. During the warranty period, the product will be repaired or replaced, if the defect is due to the state of materials and workmanship. during the time of purchase. 
  6. After the repair of your product, the warranty will not be prolonged. 
  7. If the same product isn’t available anymore, we will replace your product with a similar product. 

Not covered

  1. For each product we have a troubleshooting warranty video available. In this video we provide more details on what isn’t covered by warranty for your purchased item. 
  2. The product is obviously used and full of dirt and damage. 
  3. Broken glassware and water damage outside of warranty.
  4. Damage and faults by inaccurate use of product and maintenance care. 
  5. Damage by weather.
  6. Damage by use of parts from other brands than Aqua Master Tools.
  7. Damage by repairs done by other than Aqua Master Tools authorized dealers.
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How-to video's