All categories
Featured selections
Trade Assurance
Buyer Central
Help Center
Get the app
Become a supplier
Alibaba
Testing Instrument & Equipment
Test Instruments
PH Meters
Popular in your industry
Testing Instruments for Chemical Laboratory
Hunting
Meat Processing
Laboratory Utensils
Mining
Rehabilitation Therapy
Previous slide
Next slide
Automatic ph controller
(2414 products available)
Previous slide
Next slide
Ph
Controller
Multi-parameter
PH
TDS EC Conductivity Meter Conductivity
Controller
For Water
$
90
.00 - $
180
.00
Min. Order: 1 set
9 yrs
CN
Supplier
4.9/5.0
·
60 reviews
·
"fast shipping"
Contact supplier
Chat now
Previous slide
Next slide
RS485
PH
ORP TEMPERATURE 3 IN 1 WATER QUALITY SENSOR
CONTROLLER
WITH MONITORING AND DOSING IN WATER
$
20
.00 - $
150
.00
Min. Order: 1 piece
5 yrs
CN
Supplier
4.7/5.0
·
50 reviews
·
"fast service"
Contact supplier
Chat now
Previous slide
Next slide
Factory Supply Dosing System RS485 Digital Water Quality
Ph
/tss/ec/tds/do Meter Digital
Ph
Meter For Aquaculture
$
60
.00 - $
145
.00
Min. Order: 1 piece
Shipping per piece: $48.75
5 yrs
CN
Supplier
0.0/5.0
·
0 reviews
·
"professional service"
Contact supplier
Chat now
Previous slide
Next slide
Online Industrial
Automatic
Digital ORP
PH
Tester Measure Medidor Control Monitors Analyzer
Controller
PH
Meter Industry
$
58
.92 - $
420
.87
Min. Order: 1 piece
3 yrs
CN
Supplier
4.9/5.0
·
12 reviews
·
"Reliable supplier"
Contact supplier
Chat now
Previous slide
Next slide
Ph
Controller
Cheap
Ph
Controller
Hydroponic
PH
EC
Controller
With Dosing Pump
$
186
.00 - $
210
.00
Min. Order: 1 piece
Shipping per piece: $39.39
5 yrs
CN
Supplier
0.0/5.0
·
0 reviews
·
"professional service"
Contact supplier
Chat now
Previous slide
Next slide
Industrial
Ph
Probe
Ph
Glass Electrode
Ph
Meter
PH
Controller
1 High Alarm 1 Low Alarm 3a/250v/ac Regular On OEM
$
60
.00 - $
135
.00
Min. Order: 1 piece
10 yrs
CN
Supplier
4.6/5.0
·
12 reviews
·
"Fast shipping"
Contact supplier
Chat now
Previous slide
Next slide
Online
Automatic
aquarium pool hydroponic digital
ph
orp
controller
meter for water treatment
$
99
.00 - $
165
.00
Min. Order: 2 sets
7 yrs
CN
Supplier
5.0/5.0
·
11 reviews
·
"Excellent service"
Contact supplier
Chat now
Previous slide
Next slide
Automatic
pH
ORP
controller
Online Tank
pH
Controller
dosing pump hydroponic
pH
Controller
$
46
.00 - $
69
.23
Min. Order: 5 pieces
12 yrs
CN
Supplier
4.8/5.0
·
30 reviews
·
"fast delivery"
Contact supplier
Chat now
1
2
3
4
5
More pages
61
1
/
61