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Greentest 3 Vegetable Fruit Meat Nitrate Residue Food Environmental Safety Tester

$100.63
Specifications: Brand Name: Generic Model Number: Greentest 3 Power: Electronic Usage time: Up to 20 hours ( fully charged) TDS
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Greentest ECO4 Vegetables, Fruits, Meat, Radiation Nitrate Residue Food Environmental Safety Tester

$114.43
Specifications: Brand Name: Generic Model Number: Greentest ECO4 Power: Electronic, 720 mah lithium battery Function: Food Environmental Safety Tester Operating
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Greentest ECO5 with Water Function and Test Fish, Fruit, Vegetable and Meat Food Environmental Safety Tester

$125.93
Specifications: Brand Name: Generic Model Number: Greentest ECO5 Power: Electronic Nitrate measurement range: 0 – 9999 mg/kg Measurement time: ~3
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Greentest ECO5F Vegetables Fruits, Meat, Fish and Water Quality Radiation Nitrate Residue Food Environmental Safety Tester

$127.65
Specifications: Brand Name: Generic Model Number: Greentest ECO5F Power: Electronic Operating temperature: 0 – 60 ° Use time: 20 hours ( fully charged ) Supply
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High Accuracy Digital TDS Meter Tester Pen Type Tap Bottled Water Quality Filter Purity Monitor

$8.00
Features: Automatic shutdown: automatically shut down after 10 minutes Reasonable design: the pen electrode can be directly inserted into in
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High Accuracy Pocket-sized 3 in 1 Digital LCD TDS / EC / PH / TEMP Water Quality Meter Tester

$23.00
Features: Use to measure the PH & TDS & TEMP of solution. Electrode probe can be replaced, ATC function. Easy
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HT-225 Concrete Test Hammer Resiliometer Rebound Tester Metal Shell

$80.27
HT-225 Concrete Test Hammer generally applied to building components, bridges and all kinds of concrete components (panels, beams, columns, bridges)
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HT116 9999 Counts Professional Smart Digital Multimeter Auto Range 1000V 10A Tester Ohm Hz Capacitance REL True RMS

$31.00
FEATURES: 【Full Function Multimeter】the professional multimeter has various useful functions for measuring DC/AC voltage, DC/AC current, resistance, capacitance, frequency/duty, temperature,
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HT116 Professional Smart Digital Multimeter Auto Range 1000V 10A Tester Ohm Hz Capacitance REL True RMS

$31.00
  FEATURES: Full Function Multimeter】the professional multimeter has various useful functions for measuring DC/AC voltage, DC/AC current, resistance, capacitance, frequency/duty,
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Intelligent HT100P Pen Type Voltage Tester LED Display Non Contact Volt Stick

$11.41
HT100P AC Voltage Phase DetectorDigital Pen Type Tester with LCD display NCV Safty with Sensitivity Adjustable The portable pen shaped
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Jewelry Tester Selector II LED Tool

$6.10
Place of Origin: Guangdong, China (Mainland) Brand Name: Generic Model Number: OT-XXX00001XXX-0000581, OT-XXX00001XXX-0000581 Product name: Jewelry Tester Selector II LED
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Meter Tester Water Quality Test LCD Backlight Portable Orp Redox Meter

$22.80
Oxidation reduction potential(ORP) is a process by which a molecule or ion loses or gains electrons. This occurs most readily
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