All categories
Featured selections
Trade Assurance
Buyer Central
Help Center
Get the app
Become a supplier
Alibaba
Testing Instrument & Equipment
Test Instruments
PH Meters
4 in 1 ph
(18887 products available)
Previous slide
Next slide
cheap multiple
4
in
1
parameter
PH
/ORP/conductivity/temperature combination electrode RS485 optional probe sensor
$80.00-$115.00
Min. Order: 1 piece
Previous slide
Next slide
FineTest Human AQP-
4
ELISA Kit Scientific Research High Sensitive Aquaporin-
4
ELISA Kit Chemical Reagent
Ready to Ship
$160.00-$268.00
Min. Order: 1 box
Previous slide
Next slide
4
-20mA RS485 Online Total Water Hardness Analyzer Total Hardness Meter Total Alkalinity Analyzer
$1,800.00-$2,050.00
Min. Order: 1 set
Previous slide
Next slide
PH
DO EC CL TSS Tap Water Quality Multi Parameter Water Quality Detector
Ready to Ship
$3,150.00
Shipping per piece: $387.05
Min. Order: 1 box
Previous slide
Next slide
5
in
1
Portable Pen Type Temperature Salt
ph
Ec And Tds Ppm Meter For Water Quality Test
Ready to Ship
$10.00-$11.35
Min. Order: 2 pieces
Previous slide
Next slide
BOQU
PHS
-1701 Digital Portable Economic
PH
Meter For Food And Milk Digital
ph
Meter
ph
Meter Portable
Ready to Ship
$99.00-$140.00
Min. Order: 1 set
Previous slide
Next slide
Soil
PH
Meter
4
IN
1
PH
/Temperature/Moisture/Sunlight Tester Garden Plant Flower Digital Soil
PH
Meter
$2.95-$3.20
Shipping per piece: $2.65
Min. Order: 50 pieces
Previous slide
Next slide
With Backlight Digital Water Tester
4
in
1
Test EC/TDS/
PH
/TEMP Water Quality Monitor Tester Kit for Pools Drinking Water
Ready to Ship
$7.20-$8.36
$8.00-$9.29
-10%
Shipping per piece: $7.94
Min. Order: 2 pieces
1
2
3
4
5
More pages
100
1
/
100