1/2 Pack Portable Digital EC TDS Water Quality Tester Pen For Water 0-9990ppm US

FEATURES:

✅ [3-in-1 multi-functional] Precise measurement of TDS (0-9999 PPM), EC (0-999μs/cm) and temperature (℃/℉), 3-second quick detection!
✅ Smart backlight warning: TDS<50 shows green (Safe water quality), TDS>50 shows red (Suggested filtration)
✅ Portable design: Only 45g, with a premium leather case for easy carrying
✅ Out of the box: Factory calibrated, no debugging required, switch 4 measurement modes with one click
✅ Long battery life: With CR2032 button battery, easy to replace

DESCRIPTION:

💧 Why choose our water quality test pen?
✔ Suitable for both household and commercial use: Applicable to drinking water, fish tanks, swimming pools, RO water purifiers, and Hydroponics cultivation
✔ Simple operation: One-click measurement, HOLD key to lock the value, and automatic shutdown to save power
✔ High-precision sensor: Stable reading with small error
✔ Waterproof electrode (but not soaked, only in contact with liquid on the electrode part)

SPECIFICATIONS:
  • Measurement range: conductivity: 0-9990 μ s / cm
  • TDS:0-9999ppm
  • Temperature range: 0.1-80.0℃(32.0-176.0℉)
  • Accuracy: ± 2%
  • Material: ABS
  • Size: 154 * 30 * 14mm/6.06*1.18*0.55"
PACKAGE INCLUDED:
📦 Optional package
🔹 Single pack: 1 test pen + 1 case + 1 instruction manual
🔹 Two pieces (better deal!) 2 test pens + 2 leather cases + 2 instruction manuals
⚡  How to use  (Simple 4 steps)
1️ Remove the battery insulation sheet
2️ After turning on, immerse in water (do not exceed the water level line)
3️ Press HOLD when the value stabilizes to lock
4️ Dry and store in leather case
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