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Dissolved Oxygen Meter, Professional Digital Pen Type Dissolved Oxygen Test, 0.0-40.0mg/L Dissolved Oxygen Detector for for Aquarium, Aquaculture

• 【Accurate And Stable】With automatic temperature compensation function, the temperature of the solution can be automatically compensated for 0-40℃, and the reading is accurate and stable.
• 【Pen Type Dissolved Oxygen Meter】Small pen-shaped design, light and easy to move, you can test water anywhere to get the purest water.

Fishawk Dissolved Oxygen Meter, Professional Digital Dissolved Oxygen Do Meter, Portable Water Quality Tester for Aquaculture Fish Pond, Handheld Smart Meter, 0-20mg/L, ±0.3 Mg/L

• Dissolved oxygen detector, adopts a plastic shell, which is durable and corrosion‑resistant.
• Equipped with dots type backlit LCD display, easy to measure and use.

Dissolved Oxygen Meter, 0.0‑40.0mg/L Resolution Portable Professional Digital Manual Water Quality Tester Economy Pocket DO Temperature Tester Pen with Backlight Screen for Labs, Marine Aquaculture

DO9100 Portable Dissolved Oxygen Meter, 0.0-40.0mg/L, Support Single Point or 2 Point Automatic Calibration, Digital Display DO Meter Water Quality Monitor with Temperature Detector(Standard)

• [ACCURACY INSTRUMENT] DO9100 is an accuracy instrument for measuring dissolved oxygen and temperature. With built in microcomputer processor to calculate and compensate all measurement data related to dissolved oxygen and temperature.
• [PROBE] A membrane with a polarographic sensor and a thermistor for temperature measurement and temperature compensation. The permeable membrane separates the measured solution from the sensing electrode and allows oxygen to pass through the membrane to react.

Extech RE300 ExStik ORP Meter

• Measures ORP/Redox from -999 to 999mV
• Automatic electronic self calibration

Extech RE305 ORP ExStik Electrode Module

• Easy to clean, rugged flat surface pH electrode
• Interchangeable with ExStik Chlorine or ORP meters

YINMIK Dissolved Oxygen Test Kit Accessories 1 * 50ml Zero Oxygen Calibration Reagent 2 * 30ml Electrolyte Filling Solution and 6 pcs Membrane Groups for DO Meter Tester

• {Professional Accessories Suitable for Dissolved Oxygen Meter}: YINMIK dissolved oxygen test kit includes 6 pcs dissolved oxygen membranes, 2 bottles of 30ml electrolyte filling solution, and 1 bottle of 50ml zero oxygen water calibration solution. There is no need to worry about your DO testers can't work properly because the missing accessories. It is simple to use, even if you are a beginner, you can operate it easily.
• {Polarographic Dissolved Oxygen Electrolyte Solution}:Regular replacement of the electrolyte will extend the service life of dissolved oxygen meter. The electrolyte filling solution is equipped for the polarographic dissolved oxygen probe of the handheld DO meter. Have the correct electrolyte solution is crucial to the performance of the dissolved oxygen probe. YINMIK dissolved oxygen test kit includes 2*30ml electrolyte, which can be used right out of the box, saving you the trouble and time .

Multicolor Acrylic LZQ-4 0.5-5LPM Oxygen Air Gas Flowmeter with Control Valve for Oxygen Adjustable

• Material: Acrylic + plastic + metal
• .It can be used in industrial situations, oxygen bar and hospitals need to calculate the gas flow

Sealey S0639 Extra Long Hex Key Set, 10 Pieces

• Jumbo keys suitable for industrial and agricultural applications
• Contents: 3, 4, 5, 5.5, 7, 8, 10, 12, 14, 17mm

Extech Instruments CL205 ExStik Chlorine Electrode Module for Extech CL200 Meter

• Easy to clean, rugged flat surface chlorine electrode
• Measures chlorine and temperature

NHNKB Silk Lubricating Oil Shiny Large Open Slip-On Jumpsuit Tights Sexy Lingerie Plus Size, 0516b-grey, L

• Ize & : ????? We strongly recommend that you have your body measurements first and then refer to our size chart before ordering. ? Work trousers for women have a 30-day full guarantee and can be returned without any further questions. Please do not hesitate to contact us at any time: )
• Garment Care - Hand Wash Wash separately or with similar colours in cold water. The loose fit makes you very comfortable to wear as high-waisted trousers.

Men's T-Shirts Casual French Three Point Striped Printed Bikini Low Rise Swimsuit Watch Unisex Black, d, S

• Focus on creating affordable and durable everyday clothing for women. Our design is natural, not blind according to the popular, but always fashionable.
• Please choose your right size according to the size chart below

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Mundo das Cores: Mundo Colorido (Portuguese Edition)

How to Calculate Grade Point Average and Cumulative Grade Point Average: GPA and CGPA Calculations

PERFECT WAYS TO HELP A CHILD BECOME THE BEST IN CLASS: ENHANCING YOUR CHILD'S ACADEMIC PERFORMANCE

VENICE TRAVEL GUIDE FOR KIDS: Creating Memories for Children in Venice, An Adventure for Kids in Venice

2023 music theory for beginners: Harmonizing the Soul: The Art and Science of Music Theory

KATSU Canvas Pliers 12cm Wide Jaws Metal Canvas Stretching Pliers for Art Supply Stretching Oil Painting Framing Tool 406180

• Properly stretch a canvas on a frame.
• Work well for someone with larger hands .

Golden Artist Colors, GRIPR Tube Opener, Tool for Paint Cap Removal (T15-T)

• Gripper Paint tube opener
• Made of flexible ABS plastic

Canvas Pliers for Stretching Canvas SPEEDWOX with Widen Serrated Jaw Spring Return Draw Painting Tool Stretcher with Hammer for Clamping Art Oil Painting Canvas

• 【USAGE】 Used to hold a canvas in place and to stretch over a frame. Also used as a hammer to fixed the painting board.
• 【DESIGN】 It features wide serrated jaw for a secure grip, ensuring uniform stretching over stretcher strips or bars.

Art Advantage Canvas Wedges 8pc, Natural

• Wedges for stretching canvas
• Pack contains 8 wedges

Canvas Pliers Clamp Metal Width 2.3in for Stretching Oil Painting Canvas Framing Tool

• Canvas paint framing pliers for homemade oil painting frame before painting wall mount
• Made of high grade zinc alloy, sturdy and durable

Ascot Canvas THIN EDGE STRETCHER BARS 100% KNOT FREE and quantities (2, 24" (60cm))

• STRONG AND DURABLE KNOT FREE STRETCHER BARS MADE FROM PINE WOOD
• We are a member of The Fine Art Trade Guild & understand Artists needs.

EXCEART Mesh Canvas DIY Cross Stitch Canvas Bag Making Fabric Knitting Canvas Sheets Cross-Stitch Supplies Bag Making Accessory for Embroidery DIY Crafts White

• Classic, timeless, elegant design looks perfect from all angles, very suitable for making unique bags.
• Made of plastic, sturdy and durable, easy use string, and can be used for a long time.

Logan Dual Drive Elite Refills 600-Rigid Point, Black, Each

• Suitable for paper craft projects
• Made in USA

Fabrications Canvas 6 x 6-inch Teresa Collins Designs Pad

• 8 by 8-inch high quality paper
• 24 sheets

Eleganza Deco Mesh 25cm x 9.1m Light Pink No.21, Synthetic Material, 25 cm x 9.1 m

• 25cm Wide
• 9.1m Per Roll