CJ4000 Digital Scale (4000g x 0.5g) | Precision Coffee & Kitchen Scale

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Meet the CJ4000 Digital Scale—one of the best-value mid-sized scales on the market and a workhorse that delivers precision, reliability, and versatility for coffee enthusiasts and home cooks alike. Whether you're dialing in the perfect pour-over brew, weighing espresso doses, or measuring ingredients for baking, this scale tackles everyday tasks with confidence and ease. With an impressive 4000g (4kg) maximum capacity and 0.5g accuracy, the CJ4000 offers the perfect balance between high-capacity weighing and the precision needed for detailed recipes and coffee brewing. The scale reads in grams, ounces, and pounds, making it versatile enough to handle everything from weighing whole bags of coffee beans to portioning individual espresso shots. The extra-large backlit LCD display ensures readings are clear and easy to read in any lighting condition, while the durable stainless steel weighing platform provides a professional look and easy cleaning. The tactile rubber keypad offers responsive button presses that feel solid and reliable, even with regular heavy use. One of the standout features that makes the CJ4000 perfect for coffee brewing is the ability to disable the auto-off function. Unlike many scales that shut off mid-brew (frustrating for longer pour-over sessions), you can set this scale to stay on throughout your entire brewing process, ensuring uninterrupted measurements from start to finish. The CJ4000 comes complete with everything you need: 3 AAA lithium batteries for portable use, an AC adapter for continuous power without battery drain, and a bonus bowl/cover that doubles as a protective lid and convenient weighing bowl with pour spout—perfect for liquids and loose ingredients. Additional features include tare and zero functions for easy multi-ingredient measurements, an advanced parts-counting mode for inventory and small item counting, and the convenience of dual power options (battery or AC) so you're never caught without power. Backed by a comprehensive 2-year manufacturer warranty that covers defects in materials and craftsmanship, the CJ4000 represents exceptional value for anyone seeking professional-grade accuracy without the premium price tag. It's trusted by home baristas, café owners, bakers, and kitchen enthusiasts who need a reliable scale that performs day in and day out. Key Features High Capacity with Precision4000g (8.8 lb) maximum capacity with 0.5g accuracy. Large enough to weigh bags of coffee beans or multiple ingredients, precise enough for single espresso doses or recipe measurements. Disable Auto-Off FeatureCritical for coffee brewing! Turn off the auto-shut-off function to ensure your scale stays on throughout pour-over brewing sessions, French press timing, or any task requiring continuous measurement. Extra-Large Backlit LCD DisplayBright, easy-to-read display makes numbers visible in any lighting condition. Large digits ensure you can read measurements from any angle without squinting. Multiple Weighing ModesSwitch between grams (0.5g increments), ounces (0.02oz increments), and pounds (0.001lb increments). Versatile for international recipes and different measurement preferences. Durable Stainless Steel PlatformProfessional-grade round weighing tray resists corrosion, cleans easily, and provides a stable surface for containers, bowls, or direct ingredient weighing. Tare & Zero FunctionsReset scale to zero with containers on the platform for accurate measurement of just the contents. Essential for multi-ingredient recipes and coffee brewing ratios. Advanced Parts-Counting ModeBeyond basic weighing—count small identical items by weight. Useful for inventory management, portioning, or organizing small parts. Tactile Rubber KeypadResponsive buttons with satisfying tactile feedback. Durable rubber construction stands up to regular use and provides precise control. Dual Power OptionsRun on included batteries for portability or plug into AC adapter for continuous use without battery drain. Perfect flexibility for any setup. Bowl/Cover IncludedRigid clear protective cover doubles as a weighing bowl with convenient pour spout. Ideal for liquids, loose ingredients, or protecting scale when not in use. Fast Response TimeQuick stabilization means you get accurate readings without long waiting periods. Efficient for busy kitchens or rapid brewing sessions. 2-Year WarrantyComprehensive manufacturer warranty covers defects in materials and craftsmanship, providing peace of mind and demonstrating quality construction. Specifications Brand: Jennings (CJ Series)Model: CJ4000Type: Digital precision scale Capacity & Accuracy: Maximum Capacity: 4000g (141.1oz / 8.8lb) Accuracy/Resolution: 0.5g (0.02oz / 0.001lb) Minimum Weight: Varies (best accuracy above 10g) Display: Type: Extra-large backlit LCD Readability: Clear in all lighting conditions Weighing Modes: Grams (g) - 0.5g increments Ounces (oz) - 0.02oz increments Pounds (lb) - 0.001lb increments Parts Counting - Variable Platform: Material: Stainless steel Shape: Round Finish: Durable, easy-clean Dimensions: Scale Size: 8" L × 5.5" W × 1.5" H (20.3 × 14 × 3.8 cm) Platform Diameter: Approximately 5 inches Functions: Tare/Zero: Yes Auto-Off: Yes (can be disabled) Parts Counting: Yes Calibration: Factory calibrated Power: Battery: 3 AAA batteries (lithium included) AC Adapter: Included (region-specific) Dual power for maximum flexibility Included: CJ4000 scale unit Stainless steel weighing platform Bowl/cover (clear, with pour spout) AC adapter 3 AAA lithium batteries User manual Warranty card Warranty: 2 years (some sources note up to 20 years on certain components)Color: Black with stainless steel platform How to Use Your CJ4000 Scale Basic Weighing: Power on: Press ON/OFF button Select unit: Press MODE/UNIT button to cycle between g, oz, lb Wait for zero: Display shows 0.0 when ready Place item: Add item to platform Read weight: Display shows accurate measurement Power off: Press ON/OFF or let auto-off engage (if enabled) Using Tare Function (Multi-Ingredient Weighing): Place empty container on platform Press TARE button to zero out container weight Add first ingredient until desired weight Press TARE again to zero Add second ingredient Repeat for multiple ingredients Disabling Auto-Off (For Coffee Brewing): Turn scale off completely Press and hold TARE button While holding TARE, press ON/OFF button Release both buttons when display shows Scale will now stay on continuously until manually turned off To re-enable auto-off, repeat process Parts Counting Mode: Place known quantity of identical items on scale Press MODE to enter counting mode Enter known quantity using keypad Scale calculates individual item weight Add or remove items; display shows count Coffee Brewing Applications: Pour-Over Coffee: Disable auto-off before starting Place dripper on scale, tare Add desired coffee (e.g., 30g), tare again Pour bloom water (60g), observe time Continue pouring to target weight (480g for 1:16 ratio) Espresso Dosing: Place portafilter on scale, tare Grind directly into portafilter Aim for target dose (18-20g typical) 0.5g accuracy ensures consistent shots French Press: Tare with empty press on scale Add coffee (60g for typical 1L press) Tare, add water to desired weight (960g for 1:16) Why Choose the CJ4000? Best Value for Coffee Enthusiasts The CJ4000 hits the sweet spot between affordability and features that matter for coffee brewing. While specialized coffee scales with timers cost 2-3x more, this scale delivers the essentials—high capacity, good accuracy, and disable auto-off—at a fraction of the price. High Capacity Meets Precision Most precise scales max out at 2kg. The CJ4000's 4000g capacity means you can weigh entire bags of beans, large batches for cold brew, or multiple ingredients without switching scales, while still maintaining 0.5g accuracy for single doses. No Mid-Brew Shutoffs The ability to disable auto-off is game-changing for pour-over brewing. There's nothing more frustrating than your scale turning off at minute 3 of a 4-minute brew. With this feature, your measurements stay active throughout. Versatile Beyond Coffee While excellent for coffee, the CJ4000 excels at kitchen tasks: baking (precise flour measurements), meal prep (portion control), cooking (international recipes), and even non-food uses (soap making, crafts, small parts inventory). Professional Build Quality Stainless steel platform, tactile rubber buttons, and solid construction mean this scale feels professional and lasts. Cafés trust it for daily use; home users report years of reliable service. Dual Power Convenience Use batteries for portability (take it to the farmers market, use in different rooms) or plug in the AC adapter for permanent counter placement without worrying about battery replacement. Everything Included Unlike some scales that nickel-and-dime you with add-ons, the CJ4000 comes complete: batteries, adapter, and protective bowl/cover. Unbox it and start weighing immediately. Warranty Confidence The 2-year warranty (some components covered up to 20 years) demonstrates the manufacturer's confidence in build quality and provides peace of mind for your investment. Comparison: CJ4000 vs. Coffee-Specific Scales Choose CJ4000 If: You want maximum capacity (4000g) Budget is a consideration You need disable auto-off but not a timer You'll use it for cooking and coffee You prefer straightforward operation You need parts-counting feature Choose Coffee-Specific Scale (with Timer) If: Integrated timer is essential to your workflow You only brew small amounts (0.1g accuracy more important) You want flow-rate display features Smaller footprint is critical Budget isn't a constraint CJ4000 Advantages: Much higher capacity Lower price point More versatile (kitchen + coffee) Bowl/cover included Parts-counting feature Proven durability Care & Maintenance Daily Care: Wipe platform with damp cloth after use Keep dry; liquid damage not covered by warranty Store in bowl/cover when not in use Battery Maintenance: Replace batteries when low battery indicator appears Use AC adapter for permanent setup to preserve batteries Remove batteries if storing long-term Accuracy Maintenance: Avoid overloading beyond 4000g Use on stable, level surface Keep away from vibration sources Clean platform regularly (coffee oils, flour residue affect accuracy) What's NOT Covered: Overload damage (exceeding 4000g) Liquid damage Physical damage or drops Normal wear and tear Misuse or abuse Frequently Asked Questions Is 0.5g accuracy good enough for coffee brewing? Yes! For pour-over, French press, and cold brew, 0.5g accuracy is more than sufficient. Even for espresso dosing (where some prefer 0.1g), 0.5g precision is adequate for excellent results—professional cafés use this scale successfully. Can I really disable the auto-off feature? Absolutely! Hold TARE, press ON/OFF, release both. The scale stays on until you manually turn it off. This is one of the CJ4000's most beloved features for coffee brewing. What's the difference between CJ4000 and Jennings CJ-4000? They're the same scale. "Jennings" is the manufacturer brand name, "CJ4000" or "CJ-4000" is the model number. Different retailers may refer to it differently. Does it have a timer? No, this scale does not include an integrated timer. If you need timing, use your phone or a separate timer, or consider a coffee-specific scale with built-in timer. How long do the batteries last? Battery life varies with use. Auto-off (when enabled) conserves battery. For heavy daily use, consider using the AC adapter to eliminate battery concerns entirely. Can I weigh liquids with this scale? Yes! Use the included bowl/cover (has a pour spout) or any container. The tare function lets you zero out the container weight for accurate liquid measurement. What's the platform size? The round stainless steel platform is approximately 5 inches in diameter, large enough for standard coffee drippers, small bowls, portafilters, and most kitchen containers. Is it accurate for small amounts like 18g espresso doses? Yes, though accuracy improves above 10-20g. For espresso (18-20g doses), the 0.5g resolution means you might see 18.0, 18.5, or 19.0g rather than exact tenths. This is adequate for consistent espresso. Can I calibrate it myself? The scale comes factory-calibrated. Most users never need recalibration. If accuracy drifts over years of use, contact manufacturer support—the warranty covers calibration issues. Does it work in multiple countries? The included AC adapter is region-specific. For international use, ensure you get the correct voltage adapter or simply use battery power which works globally. Show more