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Nutrient Meter Test, Hydroponics Nutrient EC Ppm CF Meter Soil Conductivity Tester

• Completely waterproof. The battery compartment is sealed against accidental splashing or brief submersion under one meter of water or plant food
• It measures EC (conductivity), CF (conductivity factor) and PPM (parts per million) scales for high conductivity measurements for a wide range of crops

EC/CF/PPM Nutritional Analysis Conductivity Nutrition Pen Nutrient Meter Test Conductivity Tester

• ​Completely waterproof. The battery compartment is sealed against accidental splashing or brief submersion under one meter of water or plant food.
• Measures EC (electrical conductivity), CF (conductivity factor) and PPM (parts per million) scales.

Bluelab TRUNCOMV2 Commercial Truncheon Nutrient Meter, Conductivity Measure in Solution, Increased Measurement Range

• Quickly monitor your nutrient level to maximize your grow and ensure plants get the balanced feed they need; INCREASED measurement range compared to standard Bluelab truncheon
• Measures (tds) EC, ppm 500, ppm 700 and CF with with automatic temperature adjustments; no calibration required (comes factory calibrated)

Apera Instruments EC60 Premium Conductivity Pocket Tester, ±1% Accuracy, Easy Switch of EC/TDS/Salinity, Replaceable BPB Sensor, ±0.5°C Temperature Sensor

• APERA's unique Replaceable BPB (Brush-resistant Platinum Black) probe ensures high accuracy and consistency in a wide-range conductivity measurement
• EASY Auto Calibration with auto buffer recognition; Auto Temp Compensation (ATC) ensures accuracy in variant temperatures (0-500˚C)

Apera Instruments Salt20 Value Salinity Meter, Pocket Tester, Waterproof, ±1% Accuracy, ±0.5˚C Temperature Sensor, Complete Kit

• APERA's unique BPB (Brush-resistant Platinum Black) probe ensures high accuracy and consistency in a wide-range salinity measurement
• EASY Auto Calibration with auto buffer recognition; Auto Temp. Compensation (ATC) ensures accuracy in variant temperatures (0-50.0˚C)

Salinity Meter, Digital Pen‑Type Salinity Tester for Seawater Salt Water Swimming Pool Automatic Calibration Apply to Swimming Pools Fisheries

• 【Wide Uses】The salinity meter has a wide range of compatibility in daily life and strong practicability. Widely used in swimming pools, fisheries, drinking water, laboratories, etc. It is an ideal tool for household and industrial use
• 【Multi-function】Professional manufacturing, multi-function use, not only can detect the salt content, salt water pool and fish pond, but also can detect the salinity of sea water and salt water pool. Suitable for conventional aqueous solution. Salinity meter requires 4 Button Battery (Battery Not Include).

Salinity Meter, Digital Pen‑Type Salinity Tester High-precision Salinity Measuring Tool Salinometer for Drinking Water

• ✔【Widely Applicable】Not only can it detect the salt content, salt water pool and fish pond, but also the salinity of sea water and salt water pool.
• ✔【Durable and Wear‑resistant】Made of high‑quality ABS material, durable and wear‑resistant, not easy to damage.

Pen Type Salinity & Temp Meter Measurement Units All-in-1 Checker Quality Tester ATC NaCl, 100 ppt / 9999 ppm / 10% / 0.95-1.08 SG for Pond Pool Saltwater Aquarium Cooking Seawater drinking water

• MEASURING RANGE: 0~9999ppm or 10.00~100.0ppt or 0.0%~10.0% or 0.950~1.080(S.G.) based on NaCl with ±%F.S ±1 digit / ±0.5°C Accuracy
• LCD DISPLAY : 2 in 1 Dual Temperature and Salinity in four measurement unit (ppm, ppt, %, S.G) 

Salinity Meter, Salinity Digital Pen‑Type Salinity Meter, Professional Automatic Temperature Compensation Antifreeze Refractometer, Salinity Refractometer for Marine Fishkeeping Aquarium

• 【ABS MATERIAL】：Rrefractometer made of high‑quality ABS material, durable and wear‑resistant, not easy to damageAbs Material：Rrefractometer made of high‑quality ABS material, durable and wear‑resistant, not easy to damage
• 【ACCURATE TEST】：Rrefractometer can accurately, quickly and reliably test most conventional aqueous solutions

Oakton EcoTestr CTS1 Pocket Conductivity, Salinity, and TDS Meter

• Display type: dual-line lcd
• Max salinity: 10.0 ppt

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

Shexton Waterproof ORP Meter, ORP-169F Redox Tester Waterproof ORP Meter with Replaceable Probe ORP Water Quality Detector

• 【Premiun Material】Made of high-quality ABS materials, more durable.
• 【Easy to Carry】Pocket-sized, lightweight and portable, with a large backlit LCD screen, easy to read, and does not affect the use in the dark.

Dissolved Oxygen Meter,Portable Dissolved Oxygen Meter with Detachable Probe,Dissolved Oxygen Test Kit with Digital Screen Display,Dissolved Oxygen Sensor for Experiment Research(Without backlight)

• DIGITAL SCREEN DISPLAY---This dissolved oxygen tester adopts digital screen display, which is clearer and more convenient to read the data. Support auto power off in 8 minutes if not using it.
• DETACHABLE PROBE---This dissolved oxygen sensor adopts detachable probe, easy to replace, equipped with 6 probe protective covers.

Dissolved Oxygen Meter, Digital Screen Display Dissolved Oxygen Test Kit with Detachable Probe Dissolved Oxygen Meter Multifunctional for Aquarium Experiment(No Backlit)

• Detachable Probe: The dissolved oxygen sensor features a detachable probe design for easy replacement. Dissolved oxygen test kit comes with six probe protective covers, ensuring longevity and ease of maintenance.
• Digital Screen Display: The digital screen display enhances visibility, making dissolved oxygen test kit clearer and more convenient to read measurement data. The meter supports automatic power-off after 8 minutes of inactivity, promoting energy efficiency.

Water Quality Tester -ORP-169E IP65 ORP Meter Analyzer Water Positive Negative Electronic Tester -1999-1999mV

• Water Quality Tester ,ORP test pen, the measuring range is ‑1999‑1999mV, with high accuracy and small error.
• ORP Tester ,A large backlit display with a 4‑digit counter, can display the measurement results intuitively.

Digital Dissolved Oxygen Meter with Detachable Probe for Aquarium Research and Experiments - LCD Display Dissolved Oxygen Sensor(Can Light)

• **Accurate Measurement**: This dissolved oxygen meter sensor provides precise readings for monitoring oxygen levels in aquariums and conducting research.
• **Detachable Probe**: The probe can be easily detached for convenient testing and maintenance.

Dissolved Oxygen Meter, Professional Digital LCD Dissolved Oxygen DO Meter Water Quality Tester Monitor, Detachable Probe Dissolved Oxygen Sensor for Freshwater, Pool(No Backlit)

• Oxygen and Temperature: This dissolved oxygen meter can be used to measure dissolved oxygen and temperature. Inbuilt microcomputer processor calculates and compensates all dissolved oxygen and temperature related measurement data.
• Detachable Probe: This dissolved oxygen sensor adopts detachable probe, easy to replace, equipped with 6 probe protective covers.

Accurate Dissolved Oxygen Meter Kit - Professional DO Sensor for Precise Water Oxygen Test Ideal for Aquatic Enthusiasts & Water Quality Monitoring(有背光)

• Accurate Dissolved Oxygen Measurement: This dissolved oxygen meter provides precise measurements of dissolved oxygen and temperature. The inbuilt microcomputer processor calculates and compensates all dissolved oxygen and temperature-related data.
• Convenient Detachable Probe: The dissolved oxygen sensor features a detachable probe design, making it easy to replace. It also comes with 6 protective covers for the probe.

Water Quality Tester, Digital ORP Tester ORP-169E IP65 ORP Meter Analyzer Water Positive Negative Electronic Tester Measurement Tools -1999-1999mV

• High Precision: ORP test pen, measuring range -1999-1999mV, high accuracy grade, small error, suitable for most conventional aqueous solution testing
• Digital Aisplay Function: ORP tester has a large backlit display with a 4-digit counter, which can visually display the measurement results, making the readings more accurate, and helping you to see the measurement results clearly under any circumstances

QWUVEDS Cord Baseball Cap for Men and Women, Sports Hats, Outdoor Travel, Gift, Tie-Dye Hat, Racing Cap, Baseball Caps, Hat, Outdoor Men's Summer Hat, Sun Hats, blue, One Size

• One size fits most men and women. The warm teddy fur baseball cap can be adjusted to your head size.
• Thermal lambswool fabric, extremely comfortable and fluffy, soft and skin-friendly.

ene Shoes Women's Pumps Women's Single Shoes Breathable Mesh Shoes Non-Slip Shoes Hallux Shoes Women, 2 Sky Blue, 9 UK

• 1. Material, comfortable and soft, reduces stress on the joints, strengthens and tightens, improves posture. Women's shoes summer shoes sandals high shoes women's 37 women's autumn shoes
• 3. Lace design, stylish, sight, personality. We have more sizes, colour design for you and your family, lovers or friends. High shoes women's 37 women's shoes elegant pumps silver compatible with motorcycle shoes women

JINKE Beach Flip Flops & Pool Slides Sandal Flat Sandals with Elasticated Sling Strap Anti-Skid Anti-slip Crafted Indoor lightweight Outdoor Soft Comfortable Warm (Beige,7)

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ene Shoes Women's Pumps Women's Single Shoes Breathable Mesh Shoes Non-Slip Shoes Hallux Shoes Women, 2 Hot Pink, 10 UK

• 1. Material, comfortable and soft, reduces stress on the joints, strengthens and tightens, improves posture. Women's shoes summer shoes sandals high shoes women's 37 women's autumn shoes
• 3. Lace design, stylish, sight, personality. We have more sizes, colour design for you and your family, lovers or friends. High shoes women's 37 women's shoes elegant pumps silver compatible with motorcycle shoes women

QWUVEDS Women's Viscose Trousers Short Polyester Elastane Waistband Outdoor Boys Women's Rehabilitation Trousers, red, XXL

• Material: elastane and polyester, very comfortable to wear
• Design style: these pants are smooth and quick-drying, solid color, perfect for summer

Bikini Women's Set Tankini Women's Swimsuit Women's T Shirt Men's Women's Bikini Set with One Shoulder Cut and High Waist, Cross and Cross, 2-Piece Swimsuit Swimsuit Black Tank Tops, White, L

• Material: 82% Nylon, 18% Spandex, Made of Polyester, Soft and Breathable, Stretchy, Smooth Fabric, Comfortable, Quick Dry Bikini Swimsuits For Women.
• Print and beach style, eye-catching, ensure an attractive and stunning look.

NHNKB Swimsuit Women's Bikini Set Swimsuit Digital Watch Women's Sexy Plain Linen Beach Holiday Personality Holiday Beach Swimsuit Bikini Tank Top Design, black, S

• With this women's swimsuit, you can highlight your graceful figure and charming curves. Makes you sexy and elegant
• The women's swimsuit is very suitable for summer, sunbathing, beach, pool party, tropical holiday, cruise, Hawaii, honeymoon etc.

NHNKB Swimsuit Women's Bikini Set Swimsuit Digital Watch Women's Sexy Plain Linen Beach Holiday Personality Holiday Beach Swimsuit Bikini Tank Top Design, black, M

• With this women's swimsuit, you can highlight your graceful figure and charming curves. Makes you sexy and elegant
• The women's swimsuit is very suitable for summer, sunbathing, beach, pool party, tropical holiday, cruise, Hawaii, honeymoon etc.

Bikini women's summer dress women's swimsuit women's shirt suit women's cup sexy set with bikini waist in high V-neck swimsuit for women terry cloth V-neck for women tummy control bikini, black, S

• You Will Get: 1 swimsuit + 1 swim trunks
• Material: quick-drying fabric

JINKE Girls Slippers Summer Summer Sandals for Girl Open Toe Breathable Beach Sandals Slip-On Casual Solid Color Wedges Shoes Girls Sandals Size 9 (Yellow,6)

• ✿hiking sandals Girl sandals for Girl thong Girl's bohemia bling rhinestone pearl flat sandals flat gladiator sandals open toe dress shoes sandals for Girl wedge Girls summer casual platform sandals with high heel beach sandals espadrille platform Girls wedge sandals Girls 2023 summer open toe breathable beach sandals slip-on straw casual wedges shoes boho sandals Girls sandals low wedges peep toe wrapped sexy cute diamond casual summer dressy platform sandals for Girl
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Optocoupler Isolating PLC Relay,6.2mm DIN rail Ultra-thin PLC relay,Plug-in bridging type Photoelectrical Coupling relay,PLC Relay Module Input 3.3VDC Output 3-48VDC

• YELLOW LED INDICATION:Yellow LED indication, clear port mark
• PRODUCT CHARACTERISTICS:The width is only 6.2mm,which saves 60% of installation space

Risegun GRT8-B1 Mini Power Off Delay Time Relay DIN Rail Type AC/DC 12V~240V Delay Timer Switch with LED Indicators for Industrial Electronics Projects

Fyearfly GRT8-M1 Time Delay Relay Timer Relay, On/Off Repeat Delay Time Relay 35mm Din Rail Install with Delay off Cycle Delay 10 Functions, AC 220V

• ★ 0.1s - 10 Days Wide Delay Time Range - Mini asymmetric cycle timer has super wide delay time range, 0.1 second - 10 days settable (10time ranges). And relay working status is indicated by LED indicators.
• ★ Versatile Time Delay Relay - This is a multifunctional time relay and time delay can be set by panel knob. With 10 kinds of delay functions including delay on, delay off, cycle delay and so on.

Jadeshay Power Off Delay GRT8-B1Time Relay Timer Relay DIN Rail Type AC 220V

• Single-function power-off delay relay, the delay time can be set by the panel knob.
• Stable performance and long service life.

Candeon AC 230V Time Delay Relay, 10 Functions Timer Relay Multifunctional Time Relay Delay On/Off Time Relay Timer Delay Relay on Off Timer Relay Din Rail Mount Type Time Delay Relay

• This is a multifunctional time relay and time delay can be set by panel knob.
• Time Delay Relay With 10 kinds of delay functions including delay on, delay off, cycle delay and so on.

Liquid Level Control Relay, AC/DC 24V-240V 10A Water Level Controller Liquid Timer Control Relay Electronic Liquid Level Controller Water Level Control Relay for Pool Well Water Tower Tanks, GRL8-01

• Designed for monitoring liquid level in pool, well, water tower, reservoirs, tanks, etc.
• Adjustable sensitivity by a knob (5-100kΩ).

Heschen Power Relay, JQX-14FC, DC24V Coil, SPDT, 10A/220VAC, PCB Mount, 5 Pin

• Contact Configuration: SPDT
• Coil Voltage: 24 VDC

Mri-3.3d48 3.3v Optocoupler Relay Single Chip Microcomputer Optocoupler Isolation Protection Relay Module, -20℃~60℃

• 【DESIGN】The width is only 6.2mm, which saves 60% of installation space
• 【SPECIFICATIONS】Operational frequency can reach to 300Hz.No-abrasion switch output :3-48V DC/100mA

Shipenophy solid state relay din rail optocoupler MRI 3.3D48 DC Photoelectrical Coupler Isolating PLC Relay Module Input 3.3VDC Output 3 48VDC 15x10x1

• Operational frequency can reach to 300Hz.No abrasion switch output :3 48V DC 100mA . Application areas: automation control, power distribution cabinets, railways, ships, robots, inrial controls, etc...
• The width is only 6.2 mm, solid state relay, 3.3v din relay, which saves 60 of the installation space

Off Delay Time Relay GRT8-B1 Mini Power Off Delay Time Relay Timer Relay DIN Rail Type for Electrical Appliance AC 220V

• This is a single function power-off delay relay and time delay can be set by panel knob.
• With small volume, this relay can be mounted on 35mm DIN rail.