Digital 4-in-1 Water Quality Tester Pen

Multi-Parameter Testing
– Simultaneously measures
TEMP, pH, TDS, and EC
with high-precision sensors for comprehensive water analysis.
Premium Build & Accuracy
– Features
durable ABS housing
, reinforced electrodes, and
auto-calibration
for reliable, long-term performance.
Instant Readout
– Large
backlit LCD
displays real-time results in
0.5 seconds
, ideal for
aquariums, hydroponics, pools, and drinking water
.
Portable & User-Friendly
– Compact
pen-style design
with
one-touch operation
and
auto-off
to conserve battery.
Global Compliance
– Meets
CE/FCC/RoHS
standards, backed by
wholesale pricing
and bulk discounts for commercial buyers.
Ideal for Professionals
– Essential for
aquaculture farms, labs, horticulture, and water treatment
—ensuring optimal conditions with lab-grade precision.