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Wholesale Instrument Tester
385
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Video
Water Testing
Instruments
Ppm Water Quality Auto Measuring TDS
Tester
Pocket
US$ 0.78-1.2
/ Piece
1 Piece
(Min. Order)
Start Order
Suzhou Holi Smart Technology Co., Ltd.
Video
Multifunction Portable TDS Meter Water Analysis Pen Type Hardness
Tester
TDS
US$ 1.7-1.95
/ Piece
1 Piece
(Min. Order)
Start Order
Suzhou Holi Smart Technology Co., Ltd.
Video
pH/TDS/Ec/ORP/Salinity/S. G/Temperature Meter Water Quality Monitor
Tester
Aquariums New 7 in 1 pH Meter
US$ 10.5-12.8
/ Piece
1 Piece
(Min. Order)
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Suzhou Holi Smart Technology Co., Ltd.
Video
Water Quality Meter Pocket pH
Tester
Pen for Fish Tank
US$ 1.75-2.2
/ Piece
1 Piece
(Min. Order)
Start Order
Suzhou Holi Smart Technology Co., Ltd.
Video
TDS Meter 0-9999 Ppm Portable Digital TDS
Tester
for Pool Drinking
US$ 1.6-1.9
/ Piece
1 Piece
(Min. Order)
Start Order
Suzhou Holi Smart Technology Co., Ltd.
Video
High Quality Portable Waterproof Water Quality
Tester
5 in 1 Digital TDS Ec pH Salinity Temperature Meter pH Meter
Tester
for Pools Aquariums
US$ 9.5-11.3
/ Piece
1 Piece
(Min. Order)
Start Order
Suzhou Holi Smart Technology Co., Ltd.
Resistance to Complex Chemical Environment ORP Sensor Electrode
Tester
US$ 176-203
/ Piece
1 Piece
(Min. Order)
Start Order
Suzhou Holi Smart Technology Co., Ltd.
Video
Drinking Water 3 In1 TDS Ec Meter Water Quality
Tester
with Backlight
US$ 1.3-1.65
/ Piece
1 Piece
(Min. Order)
Start Order
Suzhou Holi Smart Technology Co., Ltd.
Video
General Chemical Industrial Application Water Quality Sensor Online ORP
Tester
Probe
US$ 120-129
/ Piece
2 Pieces
(Min. Order)
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Suzhou Holi Smart Technology Co., Ltd.
Video
Water Plant Secondary Water Supply Water Quality Monitoring System Low Turbidity
Tester
Meter
US$ 782-867
/ Piece
1 Piece
(Min. Order)
Start Order
Suzhou Holi Smart Technology Co., Ltd.
Video
Metal Temperature Probe TDS Meter Water Quality Portable Digital TDS
Tester
Pen
US$ 1.9-2.4
/ Piece
1 Piece
(Min. Order)
Start Order
Suzhou Holi Smart Technology Co., Ltd.
Video
High Quality TDS Meter Probe Portable Digital TDS
Tester
for Drinking Water
US$ 1.95-2.45
/ Piece
1 Piece
(Min. Order)
Start Order
Suzhou Holi Smart Technology Co., Ltd.
Video
Backlight Accuracy Pen Type TDS Ec Temperature Meter Waterproof Ec TDS
Testers
US$ 1.95-2.7
/ Piece
1 Piece
(Min. Order)
Start Order
Suzhou Holi Smart Technology Co., Ltd.
Video
High Accuracy 3-in-1 Temperature TDS Ec Meter Combo Water Quality
Tester
US$ 0.98-1.25
/ Piece
1 Piece
(Min. Order)
Start Order
Suzhou Holi Smart Technology Co., Ltd.
Video
BLE-C600 Digital Handheld Smart Blue Tooth 7 in 1 Water
Tester
Pen
US$ 19.3-21.5
/ Piece
1 Piece
(Min. Order)
Start Order
Suzhou Holi Smart Technology Co., Ltd.
Swimming Pool Controller Water Quality
Tester
pH Monitoring for Aquarium, Swimming Pool and Hydroponics and Water Treatment
US$ 76.2-89.7
/ Piece
100 Pieces
(Min. Order)
Start Order
Kunshan Ast Optoelectronics Co., Ltd
Video
Multi Function 3 in 1 TDS Testing
Instrument
Drinking Water TDS Meter
US$ 1.3-1.6
/ Piece
1 Piece
(Min. Order)
Start Order
Suzhou Holi Smart Technology Co., Ltd.
Video
Alkaline and Acidic pH Testing
Instrument
Portable Pen pH Meter
US$ 3.1-3.75
/ Piece
1 Piece
(Min. Order)
Start Order
Suzhou Holi Smart Technology Co., Ltd.
Video
Testing Water Cheap Aquarium Mini Handheld pH Meter
US$ 1.75-2.2
/ Piece
1 Piece
(Min. Order)
Start Order
Suzhou Holi Smart Technology Co., Ltd.
Video
Industrial Online pH/ORP Controller Water Quality Analyzer pH Meter
US$ 112-125
/ Set
1 Set
(Min. Order)
Start Order
Suzhou Holi Smart Technology Co., Ltd.
Video
Digital pH Meter Pen Analysis Cosmetics Laboratory Portable pH Meter
US$ 1.85-2.15
/ Piece
1 Piece
(Min. Order)
Start Order
Suzhou Holi Smart Technology Co., Ltd.
Video
Water Quality Monitor Accuracy Pen Type Temperature TDS Ec Meter with Backlight
US$ 1.35-1.65
/ Piece
1 Piece
(Min. Order)
Start Order
Suzhou Holi Smart Technology Co., Ltd.
Video
Mini pH Analyser Water Quality Testing Pocket pH Meter
US$ 3-3.75
/ Piece
1 Piece
(Min. Order)
Start Order
Suzhou Holi Smart Technology Co., Ltd.
Video
Pocket pH Testing Drinking Water Household Portable pH Meter
US$ 2.18-2.55
/ Piece
1 Piece
(Min. Order)
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Suzhou Holi Smart Technology Co., Ltd.
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