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MSD202 7-45X Industrial Inspection Binocular Zoom Stereo Zoom Microscope for Mobile Repair
$116-139
Min. order 1 piece
40-5000X Trinocular Biological Outdoor Educational Student Lab Microscope
$140-150
Min. order 1 set
Stereo Zoom Microscope ST-20 Robust Construction Superior Depth Perception Intuitive Operation Microscope for Lab
$25-45
Min. order 1 unit
Professional Binocular Compound Microscope Lab Monocular Compound Microscopio 40X-2000X Binocular Electronic Microscope
$339-380
Min. order 1 unit
PH Meters
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Testing Equipment& Instrument
PH Meters
Soil ph Sensor Wireless Wifi Zigbee 3.0 Smart Temperature Humidity Sensor Soil Moisture Sensor NPK Detector Meter Tester
$13.50-25
Min. Order: 5 pieces
China Factory Water pH Tester Pen Orp Meter 7 in 1 Tds/ec/salinity/orp Meter Temperature Tester
$11.50-13.80
Min. Order: 5 pieces
Digital PH EC TDS SALT S.G. Temp Meter Blue-tooth Control Water Quality Tester 7-in-1 Multifunction Smart Monitor for Aquarium
$30-39.13
Min. Order: 5 pieces
New YY-400 PH / ORP / H2 & TEM Hydrogen Ion Concentration Water Quality Test Pen 4 in 1 PH Meter
$10.40-10.80
Min. Order: 5 pieces
AZ86031 Portable Fish Pond Water Quality Analyzer DO COND SALT PH TEMP TDS Multi-Parameter Water Quality Meter for Aquaponic
$210-310
Min. Order: 5 pieces
Lohand Multi Parameters Water Quality Analyzer Customized Chlorine Photometer Water Quality Analyzer in Low MOQ
$225-555
Min. Order: 2 sets
l Shape Steel Combination Adjustable Try Measuring Speed square Tools Try square Ruler Angle square
$6.09-6.70
Min. Order: 5 pieces
WIFI Function with Tuya App Online Digital PH Tester PH.EC.ORP.TDS.RH%.CF.Temperature Multi Function ph Meter
$41.36
Min. Order: 5 pieces
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Portable PH/Dissolved Oxygen Meter DO Meter for Water Treatment/Pond Water and Aquarium DO-9100
$30-60
Min. Order: 100 pieces
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PHT-027 Multi-function 6-in-1 ORP mV PH CF EC TDS Ppm Meter Tester Water Quality Monitor
$100
Min. Order: 5 pieces
Digital pH and Temperature Controller PH&ORP Controller Swining Pool Value Tester pH Controller
$1
Min. Order: 1 set
New Discount AZ86031 Water Quality Measuring Instrument 86031 Handheld IP67 Combo PH/COND./D.O
$310-324.09
Min. Order: 5 pieces
HAIJU LAB Digital pH and TDS Meter Combo High Accuracy pH Meter TDS EC Tester
$3.50-6
Min. Order: 2 sets
Portable Digital PH Meter PH Pen Water ph Meter for Swimming Pool Water Aquarium Hydroponics
$1.80-2.10
Min. Order: 5 pieces
Digital Pen-size pH Meter 0-14pH Range W/ ATC, IP65 Waterproof Big LCD Screen Automatic Calibration
$19.46-21.96
Min. Order: 1 piece
High Grade Accuracy Heavy Duty Measuring Tools Spirit Level Strong Aluminium Level Measuring Instruments
$2.20-5
Min. Order: 1000 pieces