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Ships within 48 hours · Estimated delivery Jul 6 - Jul 11
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Description
JPB-70A Portable Dissolved Oxygen Analyzer Water Quality Aquaculture Dissolved Oxygen Meter DetectorTechnical features: 1. Dot matrix backlit LCD display 2. Automatic temperature compensation, fast response time 3. Portable and easy to carry 4. Equipped with our own dissolved oxygen electrode (polarographic type coated type) Main Specifications: 1. Measuring range: Dissolved oxygen: (0. 020. 0) mg L, temperature: (0 40) degrees Celsius 2. Basic error: Dissolved oxygen: 0. 01mg L, temperature: 1C 3. Residual current: not more than 0. 15mg L 4.
Technical features:
1. Dot matrix backlit LCD display
2. Automatic temperature compensation, fast response time
3. Portable and easy to carry
4. Equipped with our own dissolved oxygen electrode (polarographic type coated type)
Main Specifications:
1. Measuring range: Dissolved oxygen: (0.0～20.0) mg/L, temperature: (0-40) degrees Celsius
2. Basic error: Dissolved oxygen: ±0.01mg/L, temperature: ±1°C
3. Residual current: not more than 0.15mg/L
4. Response time: no more than 30s (90% response at 20 degrees Celsius)
5. Range of automatic temperature compensation: (0-40) degrees Celsius
6. Adopt 1.5V LR44 button battery x 4 (not included in delivery)
7. Dimensions: 4×18.5 cm
8. Weight: 88 grams
Packing list:
1. Host x1
2. One meter wire dissolved oxygen electrode x1
3. Electrode membrane cover x3
4. A reagent x1 (set)
5. Empty bottle spare x1
6. Certificate of conformity x1
7. Warranty card x1
8. Manual x1
Specification:
| Package Weight |
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Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
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4.3 ★★★★★
Based on 258 reviews
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Product Reviews
★★★★★ 5
Balls balls balls and more balls
Color: Mixed Color-20PK
A lot of balls for the price they bounce well and my dog likes squeaking them cuz he thinks he's talking to us. My sister's dog comes over and wants to pull the fuzz off the Rubber Ball and sometimes take the squeaker out of the ball. We like the variety of colors so we can keep track of which ball is where.
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Reviewed in the United States on March 29, 2026
★★★★★ 5
Durable and relatively chew proof
Color: Mixed Color-20PK
We've tried a variety of square balls for our mini daschund because she loves to play with them. So far, these are the best we've purchased. They squeak well, but have the plastic squeaker opening covered by the colored cloth of the tennis ball, making the squeak less abrasive and preventing it dog from chewing of the squeaker.
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Reviewed in the United States on February 8, 2026
★★★★★ 5
Thinks a fun little sniffy toy
Color: blue, Color: blue
My puppy seemed curious and didn’t mind playing with this sniffy toy. It’s large and well made and has plenty of title spots to hide stuff. I put kibble in it and my little puppy sniffed and googled a way. I guess this is great for keeping dogs busy and entertained. It’s a pretty cool little way to give dogs treats or snacks.
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Reviewed in the United States on March 7, 2026
★★★★★ 5
Tennis balls
Color: Squeaky-Multi Colors, Size: 2.5"(Medium)-12 Pack
Nice tennis balls, my dog loves them! Great value.
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Reviewed in the United States on May 25, 2026
★★★★★ 5
Bright color and tough skin both great
Color: Regular-Orange, Size: 2.5"(Medium)-12 Pack
These tennis-style balls are, as promised, much tougher and thicker-skinned than an ordinary tennis ball, being made as a fetching ball for dogs. I bought them as foot covers for the legs of walkers used by the elderly, a very popular use. They work extremely well to protect rugs and flooring, and to make a quiet gliding cover, easier for seniors to move smoothly without snags. The usual tennis balls used for this purpose wear out pretty quickly, but this ball was made to be repeatedly fetched and gnawed on by your Rottweiler, so it's a big improvement. You will need a good cutting tool to score in the crosswise slits where you insert the walker leg; it's too tough for your household scissors, but that's just the point, right? It's tough.
Very much recommended!
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Reviewed in the United States on March 8, 2024