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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.

Dissolved Oxygen Meter, Oxygen Analyzer, Water Quality Monitor, Freshwater Aquarium Test Kit, Digital Dissolved Meter, DO Range: 0.0‑40.0mg/L Oxygen Concentration

• AUTOMATIC TEMPERATURE COMPENSATION-----This dissolved oxygen meter with automatic temperature compensation, our product ensures precise and consistent readings regardless of the solution temperature (0-40 ℃).
• HIGH ACCURACY AND FAST RESPONSE----Experience fast and accurate testing results. This dissolved oxygen test kit can test liquids ranging from 0.0-40.0mg/L, providing you with reliable data in no time.

Fyearfly Digital Pen Type Dissolved Oxygen Analyzer, Dissolved Oxygen Meter Digital Dissolved Oxygen Analyzer 0.0-40.0mg/L Concentration Tester for Swimming Pools, Dolc Water Aquaculture

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

Dissolved Oxygen and Temperature Meter, Portable Digital Dissolved Oxygen Meter, 0.0-40.0mg/L, 0.1 mg/L Resolution, Dissolved Oxygen DO Meter for Aquarium Lab Swimming Pool(Back Light)

• [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.

SRFDD Pinless Wood Moisture Meter，Digital Moisture Meter with 10 File Wood Density Selection for Wood Building Material Firewood Walls Paper Floor

• Using high frequency electromagnetic wave induction measurement.
• Digital large screen LCD monitor.

SANON Water Quality Tester, ORP-969 Redox Meter ORP Tester Portable Digital Water Quality Tester Pen for Drinking Water, Aquarium, etc

Dissolved Oxygen Accessory,DO9100 Dissolved Oxygen Meter with Temperature Detector, Portable Digital Smart Meter for Aquarium Swimming Pool(Standard (Without Backlight))

• [Accuracy Instrument] Dissolved oxygen meter is a instrument for measuring dissolved oxygen and temperature. The dissolved oxygen probe is a thin film with a polarographic sensor and a thermistor for temperature measurement and temperature compensation. The permeable membrane separates the measured solution from the sensing electrode but allows oxygen to pass through the membrane to , and the concentration can be measured.
• [Probe] Dissolved oxygen refers to the concentration of molecular oxygen dissolved in water, generally expressed in mg/L (ppm) and saturation percentage (%), which is the percentage of dissolved oxygen in 1L of water. The oxygen concentration of our dissolved oxygen meter is 0.0-40.0mg/L, most of the range of dissolved oxygen meters on the market is 0.0-20mg/L. When measuring and calibrating, needn't open the protective cover of the electrode, just put the electrode in the solution for

Fyearfly PLC Controller Module, WSLED4 PLC Controller Digital Parameter Display Tube Industrial Control DC3.5‑5V, for Electronic Circuit DIY

• SIMPLE OPERATION: PLC controller module come with simple operation, no programming required, plug and display
• DIRECT PLC POWER SUPPLY: No need for separate power supply, direct PLC power supply, support convenient and fast operation

USB PIC Programmer, SCM / 24/93 EEPROM Series Memory Chips Programmers SP200SE/SP200S Enhanced Version with USB Cable(53cm) 10 PIN Cable (50cm)

• Support USB1.1 or USB2.0 communication;
• Support for bWIN98, WINME, WIN2000, WINXP, VISTA, WIN7 and other 32‑bit and 64‑bit operating systems;

EZP2019 USB Programmer High Speed Flash Programmer for 24 25 93 Bios with Offline Copy Function (#1)

• Automatic identification of the chip model and whether the model is well placed. Automatic offline copying.
• Suitable for device repair industry to write color chips, DVDs, computer motherboards, memory chips on hard drive.

Serial Peripheral Interface Programmer, Excellent Quality for Outdoor (Programmer + 3 burning sockets + test burning clip)

• The reading and writing speed is super fast. It takes only 3 seconds to read EN25T80 and 9 seconds to write EN25T80. It is the fastest BIOS chip programmer on the market.
• Suitable for the appliance repair industry to write color chips, DVDs, computer motherboards, memory chips on the hard disk.

Cryfokt High Speed USB Programmer Kit, Wide Applicability Automatic Identification High Speed USB SPI Programmer for Hard Disk

Flash USB Programmer, 12 MBps High Speed ​​Easy to Carry Offline Copy BIOS Chip USB Programming Kit PC Software Upgrade with 12 Adapters for DVD for 24 93 25 EEPROM

• Support Memory Chips: The programming kit supports 25 FLASH, 24 EEPROM, 25 EEPROM, 93 EEPROM and other series of memory chips.
• Application: Suitable for household appliances maintenance industry flash color TV, DVD, computer motherboards, hard disk memory chips.

USB SPI Programmer, EZP2019 High Speed Programmer with 4 Tested Base Support for 24/25/26/93 Series, USB 2.0 Interface, Speeds up to 12 Mbps, Support for Firmware Updates for Programming Devices

• 【High Speed】USB 2.0 interface, speeds up to 12 Mbps. Full support for Block 24 EEPROM, for 25 flash 93 EEPROM and etc. It is the fastest for BIOS chip programmer on the market. The reading and writing speed is extremely fast, the for Lee EN25T80 is less than 3 seconds long and writes EN25T80 in only 9 seconds.
• 【Basic Application】The appearance is small, easy to carry, and the caliper is normal. Suitable for the appliance repair industry to write color chips, DVD, computer motherboards, memory chips on the hard disk

CHICIRIS BIOS Chip USB Programming Kit, PC Software Upgrade Easy Carry Safe Offline Copy Flash USB Programmer USB 2.0 Interface 12 MBps High Speed for DVD

• Automatic Identification: The programmer can automatically identify the chip model, automatically detect whether the chip is put in place, automatically select the chip power supply voltage, and automatically copy offline.
• Support Memory Chips: The programming kit supports 25 FLASH, 24 EEPROM, 25 EEPROM, 93 EEPROM and other series of memory chips.

High Speed Programmer Kit High Speed SPI Flash EEPROM for 24 25 93 BIOS 25T80 Burn Offline Copy + EZP2023 Electronic Component

• [FOR HOME APPLIANCE REPAIR]: Suitable for home appliance repair industry to flash memory chips on color TVs, DVDs, computer motherboards, and hard disks.
• [FULLY AUTOMATIC OFFLINE COPY]: The fully automatic offline copy function is especially suitable for batch programming of memory chips in the factory.

Pitxsgsia EZP2019 USB High-Speed SPI Programmer USB SPI FLASH Programmer Support 24 25 93 EEPROM 25 Flash Bios Chip 25T80 Burning

• 1. USB 2.0 interface, to 12Mbps.
• 2. The reading and writing speed is super fast. It only takes 3 seconds to read EN25T80, and only 9 seconds to write EN25T80. It is currently the fastest BIOS chip programmer on the market.

Boston Gear 18528 Bushing, Soft Steel, Inch, 0.313" Bore, 0.5" OD, 1" Length

• Multipurpose bushing for use as a standoff or spacer
• Unhardened steel for machinability

Boston Gear 18512 Bushing, Soft Steel, Inch, 0.188" Bore, 0.313" OD, 0.625" Length

• Multipurpose bushing for use as a standoff or spacer
• Unhardened steel for machinability

Boston Gear 18526 Bushing, Soft Steel, Inch, 0.313" Bore, 0.5" OD, 0.750" Length

• Multipurpose bushing for use as a standoff or spacer
• Unhardened steel for machinability

Boston Gear 18516 Bushing, Soft Steel, Inch, 0.188" Bore, 0.375" OD, 0.625" Length

• Multipurpose bushing for use as a standoff or spacer
• Unhardened steel for machinability

Fyearfly Gas Stove Safety Switch, Inflatable Valve Adapter Flat Cylinder Control Switch Adapter

• 【High Quality Material】Made of premium metal, sturdy and durable.
• 【Widely Use】Universal interface valve for flat gas tank burner.

Gas Stove Safety Switch, 78mm Inflatable Valve Inflatable Valve Adapter Flat Cylinder Control Switch Adapter

• ✔ Made of Premium Metal, sturdy and durable , Universal interface valve for flat gas tank burner
• ✔ Easy to Use : Lightweight and portable, easy to use and store

Boston Gear BostBronz B323814 Plain Cylindrical Sleeve Bearing, Oil Impregnated Sintered Bronze, Inch, 2.003" Bore, 2.379" OD, 1.750" Length

• Plain sleeve bearing for supporting radial loads
• SAE 841 sintered powdered bronze for strength, durability, and corrosion resistance

PartyKindom Essentials Motor Gear Miniature Worm Metal Motor Accessories

• Motor pinion gear parts: it is a good substitute for motor gears, an essential product to meet the needs of car enthusiasts.
• Brushless motor pinion gears: good metal material enables the excellent performance of the pinion gear .

Motor Gear Low-end Round Group Metal

• Brushless motor pinion gears: at last, you can control faster speeds while avoiding potential risks such as motor damage or malfunction caused by overheat.
• Durable motor gear module: hard anodized on the gear surface. rust-proof treatment on the surface of gears.

Boston Gear BOSTonE FP10146 Flanged Bearing, PTFE, Inch, 0.630" Bore, 0.876" OD, 0.750" Length

• Flanged plain sleeve bearing for supporting radial and axial loads
• Glass-filled Teflon for resistance to wear and corrosion

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.