Digital Pocket Meters & Pocket Photometers

Digital Pocket Testers

Digital dip testing pens allow a quick and extremely accurate water param. Press the test button and wait a few seconds for a digital read out showing the exact water parameter test results.

Once you have taken the plunge and moved to digital water testing you will wonder why on earth you didn’t take the leap years sooner.

Using digital water testing meters makes testing your water simple, quick and accurate.

  • Koi Medic Salt Meter

    £79.95

    The Koi Medic salinity meter has been specially designed to allow the accurate testing of the level of salt in your pond. The result is displayed as a percentage making at far easier to use than a TDS meter.

    Simply turn the Koi Medic Salt meter on. Dip the in the water to be tested and wait a few seconds and the salt content will be displayed on the digital screen as a percentage. It really is that easy and we have used the Koi medic pen at Utopia Koi for many years with great success.

    Technical Summary:

    • Units Of Measurement : %
    • Range : 0.00 / 1.00%
    • Accuracy : +- 0.03%
    • Battery Type : 4 x 1.5v Alkaline A76
    • Automatic shut off :15 minutes

    £79.95

  • Senz pH Meter

    £89.95

    One of the most important parameters to monitor on your pond to ensure your fish or aquatic life thrive. Being able to test the water quickly and accurately means your more likely to test the water more frequently allowing the water to be corrected before any pH fluctuation becomes a real issue.

    The Senz pH meter is splash proof, reliable and accurate. Simply dip the meter into the water to be tested. Press the test button and wait a few seconds for the pH reading to be displayed digitally on the screen. No more guessing the colour agains the colour chart trying to decide if the water is 7pH or 7.5Ph.

    Switching to a digital pH meter will allow an accurate insight into your waters chemistry for one of the most important pond parameters you need to monitor.

    At Utopia Koi we have used the Senz pH meters for years with great success and highly recommend them.

    Technical Summary:

    • Operating range :0.0 pH – 14.0 pH
    • Accuracy :+0.02 pH
    • Auto Shut Off :15 minutes
    • Battery : 4 x 1.5v Alkaline A76

    £89.95

  • pH Pal Plus Digital pH Meter

    £49.95

    The pH PAL Plus tester is a user-friendly and simple to use pH meter that incorporates an automatic calibration feature. At the touch of a button, the instrument will automatically recalibrate itself when used in conjunction with a 7.00 pH buffer solution.

    The pH Pal Plus tester will power off automatically after ten minutes, maximising battery life. This pH Pal is ideal for measuring the pH in water applications such as a Koi pond.

    The unit is powered by four LR44 button cell batteries (supplied) and includes a protective cap.

    Designed to meet the needs of the discerning pond enthusiast

    Technical Summary:

    • Operating range : 0.0 pH – 14.0 pH
    • Accuracy : +0.02 pH
    • Battery Life : Approximately 150 hrs
    • Battery : 4 x 1.5v Alkaline LR44

    £49.95

  • HM 4 TDS Meter

    £22.95

    The HM 4 digital TDS meter is ideal for all water purification applications, aquaculture, hydroponics, suitable for both domestic or commercial use. This unit will allow you test your water and know the total dissolved solids quickly and easily.

    The HM 4 pocket TDS meter is the smallest and lighter TDS meter on the market incorporating advanced microprocessor technology with auto power off functionality after ten minutes to conserver battery life.

    Technical Summary Features:

    • Operating Range: 0 – 9990 ppm (mg/L)
    • Display: large and easy-to-read LCD screen.
    • Factory Calibrated: our meters are calibrated with a 342 ppm NaCl solution.
    • Meters can be recalibrated with a mini-screwdriver & correct calibration solution
    • Battery: 2 x 1.5v Alkaline 357A
    • Battery Life: approximately 1000 Hrs

    £22.95

  • Milwaukee MW11 TOTAL Chlorine Photometer

    £54.95

    The Milwaukee total chlorine pocket photometer is manufactured as an umbrella brand by Hanna offering the same accuracy and reliability for the discerning Koi keeper with a significant cost saving.

    Designed to provide a simple reliable LED display of the total chlorine levels in your water.

    If you have a private water supply, koi pond, aquarium, pool or spa and worried about the effect of chlorine this will tell you the level of total chlorine in your water. Please note this is different to free chlorine.

    Using technology from professional laboratory equipment, you can remove the doubt of holding your water test against a colour chart to determine the amount of total chlorine in your water. The colorimeter is factory calibrated and comes with a starter reagent kit which allows you to start testing immediately. Remove the doubt and go by the big clear LCD display.

    Technical Summary:

    • Factory programmed
    • No manual calibration required
    • Easy to use
    • Large digits on a clear LCD
    • All models include 2 curvets, reagent starter pack and battery
    • Range: 0.00 to 2.50 ppm
    • Resolution: 0.01 ppm
    • Accuracy: ±0.03 ppm ±3% of reading @ 25 °c
    • Method: adaptation of usepa method 330.5. The reaction between free chlorine and the dpd
    • Reagent causes a pink tint in the sample.
    • Light detector: silicon photocell
    • Environment: 0 to 50°c (32 to 122 °f) max. 95% RH non-condensing
    • Battery type: 1 x 1.5v aaa
    • Auto off: after 3 minutes of non-use and 2 minutes after reading
    • Dimensions: 81.5 x 61 x 37.5 mm (3.2″ x 2.4″ x 1.5”)
    • Weight: 64g

    Milwaukee MW11 Instruction Manual

    £54.95

  • Milwaukee MW12 Phosphate Photometer

    £54.95

    The Milwaukee total phosphate pocket photometer is manufactured as an umbrella brand by Hanna offering the same accuracy and reliability for the discerning Koi keeper with a significant cost saving.

    The MW12 low range phosphate colorimeter is designed to provide a simple reliable LED display of the phosphate levels in your water.

    The MW12 is used for measuring low range phosphate.

    Using technology from professional laboratory equipment, you can remove the doubt of holding your water test against a colour chart to determine the levels of phosphate in your water. The colorimeter is factory calibrated and comes with a starter reagent kit which allows you to start testing immediately.
    Remove the doubt and go by the big clear LCD display.

    Designed to provide a simple reliable LED display of the phosphate levels in your water.

    Technical Summary:

    • Factory programmed
    • No manual calibration required
    • Easy to use
    • Large digits on a clear LCD
    • All models include 2 curvets, reagent starter pack and battery
    • Range: 0.00 to 2.50 ppm
    • Resolution: 0.01 ppm
    • Accuracy: ±0.04 ppm ±2% of reading @ 25 °
    • Method: adaptation of the EPA phenantroline method 315b, for natural and treated waters.
    • Reagent causes an orange tint in the sample.
    • Light detector: silicon photocell
    • Environment: 0 to 50°c (32 to 122 °f) max. 95% RH non-condensing
    • Battery type: 1 x 1.5v aaa
    • Auto off: after 3 minutes of non-use and 2 minutes after reading
    • Dimensions: 81.5 x 61 x 37.5 mm (3.2″ x 2.4″ x 1.5”)
    • Weight: 64g

    Milwaukee MW11 Instruction Manual

    £54.95

  • Milwaukee Total Chlorine Reagents

    £19.95

    25 sachets of Milwaukee’s total chlorine photometer reagent. Each test will use up a single sachet.

    £19.95

  • Milwaukee phosphate Reagents

    £19.95

    25 sachets of Milwaukee’s phosphate photometer reagent. Each test will use up a single sachet.

    £19.95

  • TDS 342 Calibration Solution

    £9.95

    TDS 342 Calibration solution can be used on all the TDS meters sold by Utopia Koi to keep your meter accurate .

    342 Calibration fluid, ensures you recalibrate your meters periodically to ensure optimum performance. Recalibration is also critical when measuring a wide range of TDS and Conductivity levels.

    Supplied in a 3oz bottle

    £9.95

  • Milwaukee pH electrode cleaning solution

    £2.95£7.49

    Milwaukee ph electrode cleaning solution sachets can be used with all pH meters to clean the electrodes. Periodic electron cleaning is required to keep the meter accurate.

    The sachets hold 20ml of pH electrode cleaning solution.

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  • Milwaukee pH 7.01 pH Calibration Solution

    £2.95£7.49

    Milwaukee Instruments buffer calibration sachets can be used with all pH meters.

    In general it is best practice to calibrate the pH meter to the pH closest to that you will be testing. In general aquaculture applications this would be a 7pH.

    The sachets hold 20ml of calibration solution

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Pond liner calculator

Use our simple Pond Liner Calculator to estimate the liner and/or underlay size required for your pond.

The result allows for an overlay either side of 30cms. You may wnat to increase or decrease this value depending on your pnd installation.

If you're not sure on what size you need then contact us and we can help.

Measurements are entered in meters. As an example if your pond is 254cm deep at its deepest enter 2.54.

The liner dimensions for your pond including a 30cm over lap are:

Liner length:

Liner width:

An interesting fact for you. The water volume of your pond will be:

Litres:

UK gallons:

Rectangle Pond Volume calculator

Pond Diagram

Measure the length of your pond, the width of your pond and the depth of your pond in meters and enter the measurements into the Utopia Koi easy to use pond volume calculator. This will give the volume in litres.

If you're not sure on what size you need then contact us and we can help.

Measurements are to be entered in meters, for example: 543cm would be entered as 5.43.

The water volume of your pond will be:

Volume in Litres:

Volume in UK gallons:

Circular Pond Volume calculator

Radius Diagram

Measure the diameter of your pond (the distance across the pond at its centre) then divide the diameter in two to get the radius of your pond.

Now measure the depth of your pond and enter the measurements into the Utopia Koi easy to use circular pond volume calculator.

If you're not sure on what size you need then contact us and we can help.

Measurements are to be entered in meters, for example: 543cm would be entered as 5.43.

The water volume of your pond will be:

Volume in Litres:

Volume in UK gallons:

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