TDS 2 in 1 Pen

TDS 2 in 1 Pen

The TDS 2 in 1 Pen is a handheld water tester that measures total dissolved solids and water temperature in one device. It suits aquarium keepers, hydroponic growers and anyone checking the output of a water filtration system.

Key Benefits

• Two readings in one pen: TDS and temperature, so you don't need a separate thermometer for a quick check.
• Wide TDS range of 0-9990 ppm/mg/L, covering aquarium maintenance, water filtration systems, hydroponics and more.
• Automatic temperature compensation adjusts the reading to the temperature of the water, for more dependable results.
• Accuracy with a margin of error of just ±2%, so you can make informed decisions about your water quality.
• Automatic shut-off after 10 minutes of non-use helps preserve battery life, so the pen is ready when you need it.
• Batteries are included, so you can start testing straight out of the box.

Suitable For

• Aquarium maintenance, including checking the water you use for your tank.
• Water filtration systems, to keep an eye on water quality.
• Hydroponics set-ups.
• General water testing where a quick TDS and temperature reading is useful.

Specifications

• TDS range: 0-9990 ppm/mg/L
• Temperature range: 0-99ºC / 32-212ºF
• Accuracy: ±2% margin of error
• Temperature compensation: automatic
• Auto shut-off: after 10 minutes of non-use
• Power: two LR44 1.5V cell batteries

What's Included

• 1 x TDS 2 in 1 Pen
• 2 x LR44 1.5V cell batteries

Frequently Asked Questions

What does the TDS 2 in 1 Pen measure?
It measures total dissolved solids across a range of 0-9990 ppm/mg/L, and water temperature from 0-99ºC (32-212ºF).

How accurate is it?
The margin of error is ±2%. Automatic temperature compensation adjusts readings based on the temperature of the water.

Which batteries does it use, and are they included?
It runs on two LR44 1.5V cell batteries, which are included so you can test right away.

Does the pen switch itself off?
Yes. The automatic shut-off activates after 10 minutes of non-use to help save battery life.

Can I use it for hydroponics and filtration systems as well as aquariums?
Yes. It is designed for aquarium maintenance, water filtration systems, hydroponics and other water testing applications.

When can I expect delivery?

• Gauteng (Jhb/Pta) - 1-3 working days
• Nationwide (Cpt/Dbn+) - 2-5 working days
• Outlying Areas - 3-7 working days

All orders are sent via Economy Road, typically through Fastway or Internet Express Couriers*. Estimated timeframes are not guaranteed. Once the order is collected by the courier, we have no control over third-party logistics and cannot make any time promises.

If you prefer a faster 🚀 shipping option, we also offer The Courier Guy during checkout in the dropdown selection. Please note that this option is not free, and you must choose it to use it. Please pay careful attention to the cutoff times and delivery timeframe for these options during checkout.

Enjoy the convenience of collection points and lockers! 📦

No more waiting at home or at work for your delivery. Simply choose a collection locker or pickup point and collect your order when it suits you.

Delivery times to lockers and pickup locations typically range from 2–7 working days, depending on your location.*

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Collection timeframes:

• Bob Box: Collect within 2 days of receiving your collection notification.
• PUDO Lockers: Collect within 36 hours of receiving your collection PIN or SMS notification.

If a PUDO parcel is not collected within 36 hours, it will automatically be transferred to the nearest PUDO Kiosk or Depot at no additional cost. The parcel will then be held there for approximately 2 days before being returned.

Please ensure you collect your parcel within the applicable collection period. Uncollected parcels will be returned to the sender, and additional shipping charges may apply should the order need to be resent.