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pH-meter - Cobra, inkl. væsker

pH-meter inkl. kalibrerings- og opbevaringsvæske
Product no.: 4755X, Weight: 350 g., In stock
Price for
1 item:
594,00 DKK

Picture of pH-meter - Cobra, inkl. væsker

Pakke med pH-meter - Cobra, kalibreringsvæsker og opbevaringsvæske.

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pH-meter - Cobra, inkl. væsker 594,00 DKK
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Cart - Total Inkl. moms   0,00 DKK

Discount NOTE
If you order goods for 700 DKK or more, we will send it free of charge within Denmark (Greenland and Faroe Island not included).
When buying goods for less, the cost of shipping will not exceed 49 DKK respectively 69 DKK when delivered to a post office respectively private address or company.
You are also welcome to pick up the goods in our store.


You can customize the contents of the package below

Composition of package:: pH-meter - Cobra, inkl. væsker
Products     Qty. Per Unit Price

pH-meter - Cobra


pH-meter

pH-meter - Cobra

Price for
1 item: 460,00 DKK

pH-meter - Cobra
1 460,00 DKK 460,00 DKK

Calibrating solution - pH 4.01

Calibrating solution - pH 4.01

Price for
1 item: 58,00 DKK

Calibrating solution - pH 4.01
1 58,00 DKK 58,00 DKK

Calibration solution - pH 7.01

Calibration solution - pH 7.01

Price for
1 item: 58,00 DKK

Calibration solution - pH 7.01
1 58,00 DKK 58,00 DKK

Storage solution for pH sensor, 50 ml

Storage solution for pH sensor, 50 ml

Price for
1 item: 85,00 DKK

Storage solution for pH sensor, 50 ml
1 85,00 DKK 85,00 DKK
Subtotal       661,00 DKK
Discount Kit, Standard ~10% - 67,00 DKK
Total Incl. VAT   594,00 DKK

Praktisk og vandtæt pH-meter med tydeligt display, inkl. kalibreringsvæsker (pH 4 og pH 7) og opbevaringsvæske.

• Praktisk beholder til beskyttelse af elektroden

• 2 punkts AUTO-kalibrering med trykknap

• ATC (Automatisk temperaturkorrektion) fra 0°C til 50°C, med angivelse af temperatur.

• pH-visning: pr 0,01 pH. Nøjagtighed: +/- 0,1 pH.

• Temperatur-visning: pr 0,1°C. Nøjagtighed: +/- 1°C.

• HOLD-funktion.

• Slukker automatisk efter 20 min.

• Anvender 2 x CR2032 batteri (medfølger).

• Dimensioner:
   - Probe Ø 12 mm, Længde 11,5 cm
   - Hus, Bredde 36 mm, Højde 20 mm, Længde 110 mm
   - Display 22 x 28 mm

• Opbevarings- og kalibreringsvæsker medfølger


Usage

Proper maintenance of your pH-meter.

Correctly maintaing your pH-meter ensures a long life span.

Here are some precautions:

  • When buying your pH-meter the electrode will be dehydrated.
    Prior to using it for the first time, leave the electrode to soak in storage solution 4 hours.

  • Use the cover (with a damp sponge soaked in storage liquid) on the electrode after each time. This will prolong its lifespand.

  • Calibrate the pH-meteret prior to using it for the first time.
    Normally with calibration solutions pH 4 og pH 7.

  • Make sure not to contaminate the calibration solution. 
    Never insert the electrode directly into the solution, take out a small portion and soak it from there.
    Throw away used calibration solution - do NOT pour it back into the container!

  • Do not touch the electrode, eps. not with your fingers. If you whish to clean it - use a soft cloth without rubbing the electrode.

Background

pH is a measure of the concentration of free hydrogen ions (H+) in a liquid.

The pH scale runs from 0 to 14.
pH of pure water is 7.

Liquids having a higher concentration of H+ compared to pure water is an acid and has a pH below 7.
Liquids having a lower concentration of H+ compared to pure water is a base and has a pH higher than 7.

The pH may be of importance to what can or will happen to a liquid.
The pH of a liquid can be changed by adding various chemical substances which then adds or binds H+.

The pH may also change with bacterial activity in a liquid with a content of sugar, like milk or water/tea with added sugar. Here, the bacteria convert the sugar and form lactic acid which increases the concentration of H+. Thus, the pH will drop during bacterial activity.

By measuring the pH during production of, for example, cheese, yogurt, kefir and kombucha you may optimize the result.

Facts

Shipment weight350g


Shipping (Denmark): 49,00 DKK - Select country:
You may add additional 150 g for the same shipment price. See more here.


pH-meter - Cobra, inkl. væsker
pH-meter inkl. kalibrerings- og opbevaringsvæske
Product no.: 4755X, Weight: 350 g., In stock
Price for
1 item:
594,00 DKK

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