Hydrotester TDS-EC-TEMP (HM Digital-COM-80S) All-IN-ONE
Hydrotester TDS-EC-TEMP (HM Digital-COM-80S) All-IN-ONE
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Description:
The Hydrotester (HM Digital-COM-80S), is an economically priced, reliable EC/TDS meter that is ideal for testing applications such as hydroponics & gardening, pools & spas, aquariums & reef tanks, water ionizers, drinking water, and more.
FEATURES:
- Measures electrical conductivity (EC) and Dissolved Solids (TDS).
- Excellent for nutrient testing.
- Four scales: EC: µS, mS;
- TDS: ppm, ppt
- Automatic Temperature Compensation (ATC)
- Water resistant
- Measurement Range: 0-9990 µS; 0-5000 ppm; 0-9.9 mS; 0-5.0 ppt
- Digital Calibration (push button) to any point within the meter's range
- Auto-off function, data-hold function and low-battery indicator
- Display: large and easy-to-read LCD screen includes simultaneous temperature reading.
- Factory Calibrated: The COM-80 meter is calibrated with a 1413 µS solution.
- The meter can be recalibrated with digital calibration using the push buttons.
- Includes a protective cap and batteries.
SPECIFICATIONS:
EC Range: 0–9990 µS; 0–9.9 mS
TDS Range: 0–5000 ppm (mg/L); 0–5.0 ppt
Temperature Range: 1-80 °C; 33-176 °F
Resolution: 1 µS/ppm; 0.1 mS/ppt.
Temp. resolution: 0.1 °C/F
Accuracy: +/- 2%
EC-to-TDS Conversion Factor: NaCl (avg. of 0.5).
Calibration: Digital calibration by push button.
Probe: Fixed
Housing: Water-resistant
Power source: 3 x 1.5V button cell batteries (included) (model LR44 or equivalent)
Dimensions: 15.3 x 3.2 x 1.8 cm (6.0 x 1.3 x 0.7 inches)
Frequently Asked Questions
Find answers to common questions about our products
In many cases, yes. But compatibility depends on the product combination. Always do a small jar test before tank-mixing. If unsure, contact our expert.
Sometimes it is possible, but avoid strongly alkaline products. Follow label instructions or confirm with our technical team.
Fill the tank with water first, then add soluble fertilizers/PGRs, and add stickers/spreaders at the end. Ensure each product dissolves fully before adding the next.
Do not use that mixture. It may indicate incompatibility. Clean the tank and consult our expert before trying again.
Many micronutrients are compatible, but not all. Perform a jar test and avoid mixing with alkaline formulations.
It is best to use the solution immediately after preparation for maximum effectiveness.
Early morning or late evening, when temperatures are cooler and there is no strong sunlight.
The interval depends on the crop and growth stage. Follow the dosage guide or consult our expert.
Avoid spraying in very hot conditions, strong wind, or just before rain. These reduce effectiveness and can stress the crop.
Use only as per the recommended schedule. Overuse is not advised and may harm the crop.
Yes. Avoid spraying just before irrigation or heavy rain. Allow enough time for the spray to be absorbed.
It is safe only for recommended crops and stages when used at the recommended dose. Do not use on unlisted crops without expert advice.
Overdosing can cause leaf burn, growth problems, or yield loss. Always follow the recommended dosage.
Be cautious. Young or stressed crops are more sensitive. Use only at recommended stages or consult our expert first.
Follow the recommended pre-harvest interval if mentioned. When in doubt, ask our technical team.
When used as recommended, it is generally safe. Avoid misuse and over-application.
Results usually start appearing within 7 to 15 days, depending on crop, stage, and conditions.
When used correctly at the right stage and dose, it can improve growth, flowering, fruit set, or quality, which may increase yield.
Yes, but only as per the recommended schedule and interval. Avoid overuse.
Check dosage, timing, crop stage, and application method. If everything is correct, contact our expert for guidance.
Yes. Use clean, neutral pH water. Very hard or muddy water can reduce effectiveness.
Store in a cool, dry place, away from direct sunlight and out of reach of children.
If stored properly and tightly closed, it can be used until the expiry date mentioned on the pack.
Yes. Use gloves, mask, and protective clothing while handling and spraying.
Wash immediately with plenty of clean water. If irritation continues, seek medical advice.
Still confused? Talk to our expert.
Contact Expert