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I am very pleased and believe this will make travel and camping so much easier and more enjoyable.” — Lea Curtis.Best Large-Capacity Backup Generator for Apartment – Jackery Solar Generator 2000 Plus Kit (4kWh)Those looking for a large backup generator for apartments can consider choosing Jackery Solar Generator 2000 Plus Kit (4kWh). The large-size backup power station can power 99% of your appliances efficiently. The multiple output ports available can help you power various apartment appliances efficiently. Note: Data for reference only. Actual performance may vary.Customer Review “I got the Solar Generator 200 Plus Kit (4KWh) at almost half off ($2599 instead of $4999). Oh man what a steal. And what a great machine. The worst thing about a power outage is not having the TV on so you know what's going. This monster powered my cable box and TV for hours and hours and that was just the generator. Bravo Jackery.” — Larry.Let us compare different Jackery Explorer Portable Power Stations suitable for apartments and condos.SeriesCapacityApartment Average Power Used DailyGenerator Running Time (Suppose you charge appliances of 1000 watts)Running Sound (dB)1 Meter awayJackery Explorer 1000 Plus Portable Power Station1264Wh10-30kWh1.0H30 dB level noise which is quieter than a library.Jackery Explorer 2000 v2 Portable Power Station2042Wh10-30kWh1.7H30 dB quiet solar energy, the same as that of a refrigerator.Jackery Explorer 2000 Plus Portable Power Station2042.8Wh10-30kWh1.7H30 dB level noise that resembles a whisper.Jackery Explorer 3000 Pro Portable Power Station3024Wh10-30kWh2.5H30 dB, which resembles a quiet rural area.Jackery Explorer 2000 Plus Portable Power Station Kit (4kWh)4085.6Wh10-30kWh3.4H30 dB noise level, which is less than the library level volume.These portable power stations can be easily recharged using Jackery SolarSaga Solar Panels. This will give you peace of mind that you have a consistent electricity supply during off-grid living and power outages for small and large apartments.How to Choose the Best Backup Generator for Apartment & Condo? When it comes to choosing the best backup generators for apartments and condos, it's essential to understand that you should not use traditional gas generators in an enclosed space. Even though they are common emergency power solutions, they require propane or other fuel types.With that in mind, solar-powered generators have become a suitable choice for general indoor use. These portable power stations act as emergency power sources for low and high-power-consuming appliances such as AC units, refrigerators, and even CPAP machines.However, there are different power stations and solar generators available, making it hard for you to choose the best backup solution. Below we will reveal essential factors one must consider while investing in a solar backup generator for apartments.Capacity While selecting the portable power station, you must ensure that the battery capacity exceeds your minimum power requirements.However, if you are looking to

Record accurate and reliable pH, mV, ORP, and temperature measurements with the Thermo Scientific Orion Star A221 Portable pH Meter. This meter is ideal for a wide range of applications and advanced pH analysis in the field. Perform up to a 5-point pH calibration, log up to 1000 data point sets with time/date stamp and easily transfer calibration and data logs via USB or RS232 to a printer or computer with free downloadable Orion Star™ Com software. Waterproof meter ensures durable, rugged performance in outdoor environments with IP67-rated housing.Specifications for Thermo Scientific Orion Star A221 Portable pH MeterspHmVTemperatureRange-2.000 to 20.000±2000.0 mV-5 to 105Resolution0.1, 0.01, 0.0010.10.1Relative Accuracy±0.002±0.2 mV or ±0.05% of reading, whichever is greater±0.1Calibration PointsUp to 5--Don’t leave your measurements to chance when analyzing samples outside the lab. Orion Star A221 Portable pH Meters are designed to offer the reliability you need in a user-friendly package for your dedicated pH testing needs. This waterproof, portable meter displays critical data with your measurements including temperature, date and time, read type, measurement stability, active calibration info and power source status.pH Portable Meter Kit Includes: Ross Triode gel-filled epoxy-body waterproof electrode (3808-76),pH 4.01 Buffer (475mL), pH 7.00 Buffer (475mL), pH 10.01 Buffer (475mL), pH electrode storage solution, pH electrode cleaning solution, pH electrode rinse solution, hard carrying caseKey FeaturesMeasure pH, mV, relative mV, or ORP with temperaturePerform up to 5-point pH calibration using automatic buffer recognition of NIST or DIN buffer groups with choice to manually enter custom buffer valuesInformative, easy-to-read backlit graphic display with clear onscreen instructions simplifies operationCapture critical readings with measurement stability indicator and selectable read modes – Auto-Read holds a stable reading and Continuous shows changing readings with hold optionData log collects and date/time stamps up 1000 measurement setsNon-volatile meter memory ensures data and settings are protected, even with loss of powerOrion Star Com software facilitates data transfer to a computer via USB or RS232 connectionsFlexible power options with AA batteries or optional universal power adapterIP67-rated housing is waterproof for rugged field operationMeter kits include hard-sided field case and protective meter armor with electrode holder, adjustable wrist/belt strap, and built-in meter standMeters offer CE, TUV 3-in-1 and FCC Class A certifications3-Year replacement warranty Item No. Alt. Part No. Mfr. Item No. Meter Model Unit of Measure Your Cost Purchase Star® A220 Series Portable pH Meter 3801-18 EF9438B StarA2210 A221 pH Portable Meter Only Each Buy 1 $703.73 Buy 2 $615.76 Add to Cart This item is not currently stocked. Allow 2-3 weeks. Please contact us if you'd like us to keep stock in the future. In Stock Star® A220 Series Portable pH Meter Kit 3801-19 EF9438BA StarA2215 A221 kit with ROSS Ultra Triode low maintenance gel pH/ATC electrode Each Buy 1 $1,382.82 Buy 2 $1,217.92 Add to Cart This item is not currently stocked. Allow 2-3 weeks. Please contact us if you'd like us to keep stock in the future. In Stock

This portable HF VHF UHF is a resonant and legal limit rigid dipole and vertical antenna that covers 2 to 40 meters plus 220MHz & 440MHz. Rated the #1 best portable Vertical and Horizontal Dipole antenna by eHam users for over 5 years.SpecificationsPower: Full legal limitRF Connection: SO-239Frequency: 2 – 40 Meters, plus 220MHz, & 440MHz80 ounces is the maximum weight when deployed as a dipolePackable at a size of 24 x 4 1/2 inchesEnvironmental operating parameters: -15 to 130 degrees Fahrenheit and winds up to 35 Mph when guyed, otherwise 15 Mph.We listen!Suggest a price without Options for marketing to review your expectations.Included2 – 5.41 meter (17′ 9″) telescopic stainless-steel whips (with “Alpha Antenna” laser engraved)1 – HexTenna hub2 – 30/40 meter wire clip-on 18′ elements (one set)1 – 31 foot counterpoise for use on 12-20 metersPlease note that Counterpoise are highly efficient tuned elements that are deployed at resonant lengths by rolling out the coil of wire.1 – HD Surveyor TripodDeploymentFor temporary outdoor use, deployment can be achieved using the included Top of Mast Mount, which can be affixed to any sized pipe between 1 to 1 1/4 inch outside diameter. It is recommended that you ALWAYS guy this system. For guying options see the Mast Guying Adapter to stabilizes deployments.NOTE – There is no upgrade path to the HexTenna Yagi, as it has a different design, and the hubs are physically mounted on the boom.AnalysisDownload the Scans for the AntScope application: Download Scans hereDIPOLE CONFIGURATIONVERTICAL CONFIGURATIONBandSWRBandSWR2 Meters1.01:1440