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Jennings CJ4000 4000g x 0.5g Digital Scale

4.2 out of 5 stars 281 customer reviews
| 32 answered questions

List Price: $49.99
Price: $26.26 & FREE Shipping on orders over $49. Details
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  • 4000 gram capacity x 0.5 gram resolution plus ounce and pound weighing modes.
  • Tare, auto-off and counting functions.
  • Bright, backlit weight display.
  • AC adapter and batteries included.
  • 20 year manufacturer's warranty.
19 new from $24.99 4 used from $22.32

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Frequently Bought Together

  • Jennings CJ4000 4000g x 0.5g Digital Scale
  • +
  • Hario V60 Buono Coffee Drip Kettle, 1.2 L
  • +
  • Hario Ceramic Coffee Mill Skerton  Storage Capacity (100g)
Total price: $88.68
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Color: Black
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Product Description

Color: Black

4000 gram capacity x 0.5 gram resolution plus ounce and pound weighing modes. Tare, auto-off and counting functions. Bright, backlit weight display. AC adapter and batteries included. 20 year manufacturer's warranty.

Product Information

Color:Black
Product Dimensions 12.1 x 7.4 x 5.2 inches
Item Weight 1.8 pounds
Shipping Weight 1.8 pounds (View shipping rates and policies)
Department Compact Digital Scales
Manufacturer Jennings
ASIN B004C3CAB8
Item model number CJ4000
Customer Reviews
4.2 out of 5 stars 281 customer reviews

4.2 out of 5 stars
Best Sellers Rank #1,834 in Home & Kitchen (See Top 100 in Home & Kitchen)
#32 in Kitchen & Dining > Kitchen Utensils & Gadgets > Measuring Tools & Scales > Scales > Digital Scales
Date first available at Amazon.com November 12, 2010

Warranty & Support

Product Warranty: For warranty information about this product, please click here

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Customer Reviews

Top Customer Reviews

Color: Black
Stopped working after 2 years. 20-year warranty requires that you mail them your warranty card like its 1955.
1 Comment 43 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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Color: Black
I own a coffee shop, and bought a CJ-4000 in January 2011, specifically to weigh coffee and coffee flavoring. The most I every weight at a time is one pound. Typically it's 125 grams.
On the face of it, this seems like a great little scale. And it is, until it just stops working, like mine did. It displayed an error that indicated (according to their web site) that I had put too much weight on it. First of all, what scale BREAKS when too much weight is put on it? Their web site says THIS scale will. It does not "overload", or black out, or reset. It BREAKS! They say newer models don't have this problem. I would have to see it to believe it.

OK, stuff breaks. A big reason I bought this scale is that it advertises:

20 YEAR MANUFACTURER'S WARRANTY!
"If ya have a problem with this scale within the first twenty years ya own it, just send it to the Jennings warranty center. They'll fix or replace your scale, and have it on it's way back to ya within two working days."

NOT TRUE! This scale is less than 6 months old, and, after jumping through all their hoops in returning the scale for warranty repair or replacement, Jennings Scales, the manufacturer, has answered only one of my 6 emails in the last 7 weeks with a perfunctory question: When did you mail it to us? Apparently they LOST my scale. Luckily, I sent it via USPS Priority Mail, which had delivery confirmation. Jennings did not even sign the email. GOOD LUCK trying to call. They refer you to the website for technical questions, and if you choose to hold, like I did one day, you can wait, apparently, until the cows come home, while listening to their country music. No one ever picks up!

This scale DID work great, until it broke.
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13 Comments 160 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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Color: Black Verified Purchase
I'm pretty serious about coffee and coffee preparation. Having a good gram scale handy is a must. I have gone through numerous products looking for the perfect scale, and I think I have just found it! The Jennings CJ4000 has 4 attributes that make this scale work: 1) gram weight accurate to 0.5 grams with a max up to 4000 grams or just under 9 lbs. 2) 110v power supply with battery backup 3) long "time out" window before scales auto shuts off (or turn off auto shut off) and 4) large platform for weighing. Excellent quality, reliable, easy to use. What more can I say?
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Color: Black Verified Purchase
We have an Adman's scale which goes up to 65 pounds (grams and ounces). The Adam's does a fine job, but doesn't like to accurately measure grams. We use this Jennings for the finer weight measurements and it does a great job! Works great for small batches of beer too!
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Color: Black Verified Purchase
At first I was very impressed with this scale showing quick and accurate reading and was going to give it a 5 stars review.
Few days later scale stopped working showing *ERR* message on startup which according to the manual means scale is dead (supposedly after putting too much weight on it).
I only used it to measure coffee and tea using less than 10% of the official capacity so no reason for this scale to FAIL !!!

I removed batteries and used the AC power instead and scale came back to life, but for some reason it was showing highest mark in the weight-meter (which should mean I got more than 3500 grams on scale) while scale was empty!!!

I used it for few times and then it died again with the same error message.'
Disconnecting it from power and powering it back again brought it to life (again weight-meter showing 3500 on an empty scale) , but once I turned it off it refused to come back to life.

This is a real piece of junk and should not be put on sale !!!
Of-course there is no one to talk to at Jennings...

I read somewhere that Jennings was acquired few years back by some holding company so I guess it is milking the brand for all it's worth while selling cheap generic scale under its name.
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Color: Black
Elevated my brewing game and purchased s jennings scale. Really loved it until without notice it stopped working. I started getting an error notice, and the power button stopped working. I am highly disappointed with the quality and longevity of this scale. Although you can find this in most coffee shops, beware when purchasing
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Color: Black Verified Purchase
I purchased this scale 2/26/2015 based on the high percentage of customer reviews.

I occasionally use a scale when baking; however, I daily use a scale when measuring my standard poodle’s fresh, raw food. I’m interested in accuracy – isn’t everyone who uses a scale?

I started having problems with the scale staying at “0.00,” and my husband suggested I change the batteries. I replaced the original ones with fresh, new Duracell batteries. This seemed to fix the problem. However, in less than two months I began to experience inaccuracies. My latest purchase of frozen dog food was in small 3.2 oz. medallions instead of the 8 oz. patties I had been purchasing. I weigh one day’s frozen medallion patties so that they can thaw in the refrigerator for use the next day. I measure in excess of the 28.32 oz. needed for three feedings of 9.44 oz. Last week I ran out of food during my dog’s third feeding. Gosh, I thought, I must have weighed wrong.

Now alerted, I was careful to make sure I weighed out an excess of 28.32 oz. And again – three times – I was short of food on my last feeding. You do the math: 9.44 x 3 = 28.32. The batteries had been replaced only two months previously. While it’s challenging to test calibration of a home scale when you’re not a commercial establishment under FDA rules like my pet store where their scales are tested annually, it is certainly obvious when a scale cannot be accurate against itself. Upon reflection, I truly cannot say if the scale had ALWAYS been inaccurate against itself or if this was a new occurrence. While using the 8 oz. patties, I was blaming the weight problems on the manufacturer. Now I realize there is a chance that it might have been the Jennings CJ4000 scale all along.
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