3 in 1 Digital TDS EC Temp Meter for Water Purity Testing
Reliable Water Quality Testing for Home and Professional Use in Bangladesh
Water quality directly impacts daily health, agricultural output, and industrial production. Across Bangladesh, tap water, tube well water, and supply water can contain varying levels of dissolved minerals, salts, and heavy metals. The 3 in 1 Digital TDS EC Temp Meter provides a quick, low-cost way to analyze water purity without sending samples to a laboratory.
Key Features and Specifications
1. Three Essential Measurements in One Device
Instead of purchasing separate meters for conductivity, total dissolved solids, and liquid temperature, this 3-in-1 device combines all three functions into a lightweight, pen-style design.
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TDS Measurement: Ranges from 0 to 9999 ppm (parts per million). It calculates total dissolved solids to determine if your drinking water is pure or overly mineralized.
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EC Measurement: Ranges from 0 to 9999 µS/cm (microSiemens per centimeter). Crucial for checking nutrient density in hydroponic farming and aquaculture.
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Temperature Reading: Measures liquid temperatures between 0.1°C to 80.0°C (32.0°F to 176.0°F) with seamless unit switching.
3 in 1 Digital TDS EC Temp Meter
2. Advanced Automatic Temperature Compensation (ATC)
Liquid temperature directly alters conductivity readings. Equipped with an integrated ATC sensor, this meter automatically adjusts readings to account for temperature variations, delivering precise results regardless of seasonal water temp changes in Bangladesh.
3. Backlit LCD Display & Automatic Hold Function
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Clear Screen: Features an easy-to-read LCD screen, making it visible even in low-light environments.
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Data Hold Button: Press the “Hold” button to lock the reading on screen, allowing you to remove the meter from the liquid and record the value conveniently.
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Auto-Off Function: To conserve battery life, the meter automatically powers off after 5 minutes of inactivity.
3 in 1 Digital TDS EC Temp Conductivity Meter
Common Applications in Bangladesh
| Application | How It Helps | Ideal Range |
| Home Drinking Water & RO Filters | Checks filter efficiency and confirms whether drinking water meets safety limits. | 50 – 150 ppm (ideal for pure drinking water) |
| Aquariums & Aquaculture | Maintains stable mineral balance for freshwater fish, shrimp, and biofloc systems. | Varies by species (typically 150 – 400 ppm) |
| Hydroponics & Rooftop Gardening | Measures EC levels to optimize fertilizer and nutrient uptake for plants. | 1.2 – 2.4 mS/cm EC (depends on crop) |
| Swimming Pools & Spas | Prevents chemical imbalance, scaling, or corrosion in water circulation systems. | 1000 – 2000 ppm |
3 in 1 Digital TDS EC Temp Meter
Why Every BD Household Needs a Water Quality Tester
In Bangladesh, municipal supply lines and groundwater sources frequently fluctuate in mineral content. Using a 3 in 1 Digital TDS EC Temp Meter helps you:
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Monitor RO Water Filter Lifespan: Know exactly when your reverse osmosis membranes or filter cartridges need replacement instead of guessing based on time.
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Prevent Health Hazards: High TDS levels may indicate excessive iron, hard minerals, or chemical contaminants in tube well water.
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Boost Farm Yields: For modern agricultural practices like hydroponics and aquaponics in Dhaka, Chittagong, and rural farms, exact EC/TDS monitoring directly impacts plant growth and fish survival rates.
3 in 1 Digital TDS EC Temp Meter
How to Use the 3 in 1 Digital TDS EC Temp Meter
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Remove the Protective Cap: Turn on the power switch by pressing the ON/OFF button.
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Immerse in Solution: Submerge the titanium alloy probe into the water sample (do not submerge past the maximum immersion line).
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Stir Gently: Stir briefly and wait a few seconds for the numbers to stabilize on the screen.
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Switch Modes: Press the SHIFT button to toggle between TDS (ppm), EC (µS/cm), and Temperature (°C/°F).
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Lock & Read: Press the HOLD button to save the reading, take the meter out, and note down the results.
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Clean & Store: Wipe the probe dry with a clean cloth, replace the protective cap, and turn off the device.
3 in 1 Digital TDS EC Temp Meter
Technical Specifications Summary
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TDS Range:
0 - 9999 ppm -
EC Range:
0 - 9999 µS/cm -
Temperature Range:
0.1°C - 80.0°C / 32.0°F - 176.0°F -
Accuracy:
±2% Full Scale -
Probe Material: Titanium Alloy Probe
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Power Source: 1 x 3V CR2032 Button Cell Battery (Included)
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Dimensions: 154 x 30 x 14 mm
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Weight: Approx. 55g
3 in 1 Digital TDS EC Temp Meter
7. Frequently Asked Questions (FAQ)
Q1: What is the ideal TDS level for drinking water in Bangladesh?
A: According to WHO standards, a TDS level under 300 ppm is considered excellent for drinking water. Readings between 50 to 150 ppm are typical for purified RO water. Readings above 500 ppm indicate overly hard water or potential contamination.
Q2: What is the price of a 3 in 1 Digital TDS EC Temp Meter in Bangladesh?
A: Prices typically range between BDT 350 to BDT 850 depending on the brand, seller warranty, and build quality.
Q3: How do I switch between TDS and EC modes on this meter?
A: Simply press the SHIFT button on the front panel. It will cycle through TDS (ppm), EC (µS/cm), Celsius (°C), and Fahrenheit (°F).
Q4: Can this meter test water bacteria or viruses?
A: No. A TDS/EC meter measures dissolved solids (salts, minerals, metals). It does not measure organic contamination, bacteria, or chlorine levels.
Q5: Is the whole meter waterproof?
A: No. Only the titanium probe at the bottom is water-resistant. Do not submerge the entire device or the LCD screen underwater.






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