Reviews Bio Signal Measurement Systems

ELIVING Bio Balls for Aquarium Filter Media - Includes 5 Mesh Bio Media Bags & .6 Inch Bio Ball 500 Ct Fish Tank Pond Filter Media - Ideal for Koi Pond Canister Filter Freshwater & Saltwater Sump

  • MORE SURFACE area, more beneficial bacteria growth. These bio filter balls help promote gas exchange, increase dissolved oxygen levels and more.
  • 500 BIO FILTERS, for all different setups. Use as small bio balls for pond filter systems, aquarium bio media balls and fish tank media in saltwater....
  • PERFECT SHAPE and size. Each bio ball filter is .6 Inch (16 mm) in diameter. Filled with bio-sponge. Ultra porous bio filter media aquarium. Perfect....
  • EASY TO CLEAN out debris and organic waste. Rinse the biofilter balls using dechlorinated water. Includes 6 x 7 inch free biological filter media mesh....
  • MADE TO LAST and can offer better biological filtration than lava rock. Perfect as canister filter bio media or HOB. To build a nitrate factory ADD TO....
Check Stock

AUGOCOM RY S110 CATV Cable TV Handle Signal Level Meter DB Best Tester 47-870MHz

  • 【Multi-Function TV Signal Meter】RY S110 CATV Cable TV Handle Signal Level Meter is an instrument used for the construction and maintenance of analog TV / digital TV, and the measurement of TV signal level and power level. It is widely applied in the routine maintenance of the CATV system.
  • slope measurement,voltage measurement,measurement of C/N ratio..
  • 【How to switch the meters Channel to US Channel?】Enter VOLT and then press ./Z button, and the right corner please switch to 2ch, then you entered US channel..
  • 【Customized Barrel】We have received customer's feebdack before that the barrel come with original package is not compatible, so we have customize the barrel. And now purchase our S110 TV Signal Meter can get the customized barrel for free..
  • 【Wide Test Range】U.S. Standard Channel USA STD-CATV/U.S. digital standard channels USA STD-CATV ,Range of frequency: S110 47MHz ~ 870MHz ..
  • 【Worth to Own】S110 employs high brightness back-light operating modes, with clear LCD screens, dual-channel measurement display, so it is convenient and pragmatic.
  • besides, numeric keypad input allows it easy to operate..
Check Stock

Green Vista Jumbo 1.5 Inch BIO Balls/BIOBALLS 4000 Count Filter Media with Free Beneficial Bacteria Jump Start - Cleans Water in Ponds and Large Aquariums - Increases Dissolved Oxygen

  • ...er waterscapes. It also cleans or filters the water as the Bioballs combine with organic waste..
  • WORK IN MULTIPLE WATERSCAPES: Lightweight, superior filtration media, Bioballs are effective in various water features. They are used in ponds, including koi ponds, aquariums, hatcheries, tropical fish farms, waste water systems, cooling towers and additional commercial and industrial systems..
  • NEVER NEED REPLACEMENTS: Long lasting, Green Vista Bioballs do not have to be replaced! This package contains about 4,000 pieces of 1.5 inch diameter Bioballs, roughly 5.4 cubic feet..
  • BETTER THAN LAVA ROCK: Bioballs are a far better option for bio media than lava rock. They also weigh much less than lava rock, making them easier to handle..
  • INCLUDE FREE HELPFUL BACTERIA: These Bioballs come with Hydro-Bugs Beneficial Bacteria jump start for bio filters. The beneficial bacteria work with the Bioballs to filter and clean water features. PLEASE NOTE: Bio Balls shipments are based on weight. Counts are estimates that may vary up to 5 percent. Color may vary between shades of black and gray. Bioballs measure approximately 1.5″ x 1.25″ in size.
Check Stock

Green Vista Jumbo 1.5 Inch BIO Balls/BIOBALLS 1000 Count Filter Media with Free Beneficial Bacteria Jump Start - Cleans Water in Ponds and Large Aquariums - Increases Dissolved Oxygen

  • ...er waterscapes. It also cleans or filters the water as the Bioballs combine with organic waste..
  • WORK IN MULTIPLE WATERSCAPES: Lightweight, superior filtration media, Bioballs are effective in various water features. They are used in ponds, including koi ponds, aquariums, hatcheries, tropical fish farms, waste water systems, cooling towers and additional commercial and industrial systems..
  • NEVER NEED REPLACEMENTS: Long lasting, Green Vista Bioballs do not have to be replaced! This package contains about 1,000 pieces of 1.5 inch diameter Bioballs, roughly 1.35 cubic feet..
  • BETTER THAN LAVA ROCK: Bioballs are a far better option for bio media than lava rock. They also weigh much less than lava rock, making them easier to handle..
  • INCLUDE FREE HELPFUL BACTERIA: These Bioballs come with Hydro-Bugs Beneficial Bacteria jump start for bio filters. The beneficial bacteria work with the Bioballs to filter and clean water features. PLEASE NOTE: Bio Balls shipments are based on weight. Counts are estimates that may vary up to 5 percent. Color may vary between shades of black and gray. Bioballs measure approximately 1.5″ x 1.25″ in size.
Check Stock

CoraLife Bio Ball Aquarium Filter 5-Gallon

  • Bio-Balls provide a large surface area for beneficial bacteria to grow due to the unique construction and geometric design of the one inch round balls.
  • Typically used in sump filtration systems.
  • Bio-Balls are a good choice for adding biological filtration to your aquatic system.
Check Stock

Electric Meter, KWh Meter, Single Phase 4P LED din Rail Electricity Power Consumption Wattmeter Energy Meter, 10-40A

  • ... 【Easy to Contact】The standard configuration pulse output is passive (polar) and the remote pulse output can be selected as passive (non-polar). KWH meter is easy to contact with various AMR systems and conforms to the standards IEC 62053-31 and DIN43864..
  • 【One-way measurement】One-way measurement of single-phase two - wire active energy consumption. This has nothing to do with the direction of the load current. Comply with IEC 62053-21..
  • 【Two Wiring Methods】The din rail energy meter has direct connection operation, two wiring methods. Standard configuration S type wiring, U type wiring can be selected. Extend the terminal cover to protect the use of the security..
Check Stock

EC Buying AD620 High Accuracy Low Power Programmable Instrumentation Amplifier Module Voltage Amplifier Module Differential Amplifier Single-Ended/Differential Small Signal/Small Amplifiers Module

  • ♥ Other Features: ✭Module gain: When there is no solder slip, the AD620 will zoom by 10 times by default, and the AD623 will zoom by 20 times by default. During welding slip, AD620: G=1+50K/Rg, AD623: G=1+100K/Rg ✭Maximum magnification of the module: more than 2000 times (actual measurement), due to the large gain of the waveform frequency band, it is recommended to use multi-stage amplification with high gain ✭Fixed output voltage: 5V-10V (default delivery 5V).
  • ♥ Other parameters: ✭Common mode rejection ratio: AD620: 100dB (minimum, G=10).
  • AD623: 90dB (minimum, G=10) ✭Input bias current: AD620: 1.0nA (max).
  • AD623: 23nA (max) ✭Input offset voltage: AD620: 50μV (max).
  • AD623: 200μV (max) ✭Input offset offset: AD620: 0.6μV/°C (max).
  • AD623: 2μV/°C (max) ✭Input voltage noise: AD620: 9nV/√HZ (1KHZ).
  • ♥Precautions: 1. The power supply of the module is a single power supply, and the voltage cannot exceed 26V 2. Since the module is a high-precision device, to avoid unnecessary interference, it is recommended to use a linear power supply for power supply 3. It is recommended to use SMA to BNC line input and output signal for the output signal. Compared with the observation effe....
Check Stock

Organic Cal-Mag OAC Plant Nutrient and Supplement, Plus Iron and Micronutrients by TPS Nutrients, 1 Quart (32 oz)

  • ORGANIC CALMAG FOR ALL PLANTS: Organic Calcium, magnesium, and micronutrients micro-chelated with Organic Acids for bio-availability..
  • PREVENTS COMMON GROWTH DEFICIENCES: Apply CalMag in every stage of growth for strong stalk and leaf health. Use at 1-2mL per gallon..
  • COMPATIBLE WITH OTHER NUTRIENTS: 100% Compatible with other nutrient systems, and can actually help make other minerals more Bio-Available..
  • HIGHEST QUALITY, MOST POTENT, BEST VALUE, BIGGEST YIELD: TPS’s ingredients are better for plants, better for you, and better for the planet. Simply the best choice for the conscientious grower..
  • FORMULATED AND MADE IN THE USA: Designed by sustainability conscious plant scientists and craft growing enthusiasts in Seattle, WA. TPS chooses only the highest quality ingredient sources and manufacturing methods to create the world’s best nutrient systems..
Check Stock

Organic Cal-Mag OAC Plant Nutrient and Supplement, Plus Iron and Micronutrients by TPS Nutrients, 1 Gallon (128 oz)

  • ORGANIC CALMAG FOR ALL PLANTS: Organic Calcium, magnesium, and micronutrients micro-chelated with Organic Acids for bio-availability..
  • PREVENTS COMMON GROWTH DEFICIENCES: Apply CalMag in every stage of growth for strong stalk and leaf health. Use at 1-2mL per gallon..
  • COMPATIBLE WITH OTHER NUTRIENTS: 100% Compatible with other nutrient systems, and can actually help make other minerals more Bio-Available..
  • HIGHEST QUALITY, MOST POTENT, BEST VALUE, BIGGEST YIELD: TPS’s ingredients are better for plants, better for you, and better for the planet. Simply the best choice for the conscientious grower..
  • FORMULATED AND MADE IN THE USA: Designed by sustainability conscious plant scientists and craft growing enthusiasts in Seattle, WA. TPS chooses only the highest quality ingredient sources and manufacturing methods to create the world’s best nutrient systems..
Check Stock

Ground Resistance Meter,HT2302 Digital Ground Earth Resistance Tester with LCD Backlight for Electric Power Communication Laboratory

  • Intelligent Chip: Ground resistance tester, controlled by intelligent microcontroller chip, with high reliability and high accuracy, multiple measurement methods, to achieve fast and accurate measurement results..
  • Digital Backlight LCD Display: It is equipped with a large screen LCD digital display with backlight, which is convenient for users to read the information on the LCD screen..
  • 100 Sets Of Data Storage: It has a data storage function, which can store 100 sets of measurement data, and the data will not be lost when power off, which can facilitate users to query historical data..
  • Applicable Occasion: Suitable for measuring the grounding resistance of various power systems, electrical equipment, anti thunder protection equipment and other grounding systems, and also for grounding voltage measurement..
  • Safety Measurement: Double insulation or reinforced insulation safety structure can be used for precise three wire measurement or simple two wire measurement..
Check Stock