• water quality monitoring 4 in 1 PH ORP H2 Temperature Meter ORP-1000 mV to+1000 mV Yieryi
  • water quality monitoring 4 in 1 PH ORP H2 Temperature Meter ORP-1000 mV to+1000 mV Yieryi
  • water quality monitoring 4 in 1 PH ORP H2 Temperature Meter ORP-1000 mV to+1000 mV Yieryi
  • water quality monitoring 4 in 1 PH ORP H2 Temperature Meter ORP-1000 mV to+1000 mV Yieryi
  • water quality monitoring 4 in 1 PH ORP H2 Temperature Meter ORP-1000 mV to+1000 mV Yieryi
  • water quality monitoring 4 in 1 PH ORP H2 Temperature Meter ORP-1000 mV to+1000 mV Yieryi
  • water quality monitoring 4 in 1 PH ORP H2 Temperature Meter ORP-1000 mV to+1000 mV Yieryi
  • water quality monitoring 4 in 1 PH ORP H2 Temperature Meter ORP-1000 mV to+1000 mV Yieryi
  • water quality monitoring 4 in 1 PH ORP H2 Temperature Meter ORP-1000 mV to+1000 mV Yieryi
  • water quality monitoring 4 in 1 PH ORP H2 Temperature Meter ORP-1000 mV to+1000 mV Yieryi
  • water quality monitoring 4 in 1 PH ORP H2 Temperature Meter ORP-1000 mV to+1000 mV Yieryi
  • water quality monitoring 4 in 1 PH ORP H2 Temperature Meter ORP-1000 mV to+1000 mV Yieryi
  • water quality monitoring 4 in 1 PH ORP H2 Temperature Meter ORP-1000 mV to+1000 mV Yieryi
  • water quality monitoring 4 in 1 PH ORP H2 Temperature Meter ORP-1000 mV to+1000 mV Yieryi
  • water quality monitoring 4 in 1 PH ORP H2 Temperature Meter ORP-1000 mV to+1000 mV Yieryi
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Water Quality Monitoring 4 in 1 PH ORP H2 Temperature Meter ORP-1000 mV to+1000 mV

Water Quality Monitoring 4 in 1 PH ORP H2 Temperature Meter ORP-1000 mV to+1000 mV

$45.00 USD
$65.00 USD $45.00 USD
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Professional digital pH/ORP/Hydrogen/Temperature tester for water quality monitoring

  • 4-in-1 Multi-Function: Accurately test pH, ORP (Oxidation-Reduction Potential), Hydrogen (H2: ppb/ppm), and Temperature (°C/°F).

  • Automatic Temperature Compensation (ATC): Ensures precise results in varying environments.

  • High Accuracy Probe: Reliable glass pH/reference electrode, ORP sensor, and temp sensor.

  • Easy Operation: Switch modes and calibrate with one button.

  • Clear LCD Backlit Display: Large digital screen, easy to read in any lighting.

  • Waterproof (IP67): Durable and safe for all water testing needs.

  • Pocket Size: Lightweight and portable, perfect for on-the-go testing.

Feature Description
Model YG-400
Measurement Modes pH / ORP / H₂ (ppb/ppm) / Temp
pH Range 0.00 – 14.00 pH
ORP Range -1000 mV – +1000 mV
H2 Range 0–1500 ppb / 0–1.5 ppm
Temp Range 0°C – 60°C / 32°F – 140°F
Resolution 0.01 pH, 1 mV, 1 ppb, 0.1°C/°F
Battery 3 × 1.5V (LR44) Button Cell
Waterproof Level IP67
Display LCD with backlight
Size Pocket-sized, easy to carry

 

Perfect For

  • Drinking water & hydrogen-rich water

  • Aquarium & fish farming

  • Hydroponics & gardening

  • Pools & spas

  • Laboratory & industrial water testing

Why Choose YG-400?

  • Versatile all-in-one water tester—save money and space

  • Professional accuracy, reliable performance

  • Easy to use for both beginners and experts

  • Free calibration solutions & batteries included

tag words

pH meter, ORP tester, hydrogen water tester, water quality pen, portable pH meter, digital pH tester, H2 meter, temperature meter, 4-in-1 water tester, IP67 waterproof meter, hydroponics, aquarium, drinking water tester, multi-parameter water meter