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วันอังคารที่ 27 กันยายน พ.ศ. 2554

เครื่องวัดความเข้มข้น ppm ของสาร

HM Digital TDS-EZ Meter/Tester, Water/ppm/Purity/Filter

HM Digital TDS-EZ Meter/Tester, Water/ppm/Purity/Filter
From HM Digital

List Price: $47.50
Price: $17.99 & eligible for FREE Super Saver Shipping on orders over $25. Details

Availability: Usually ships in 24 hours
Ships from and sold by J&R Galaxies

6 new or used available from $15.59
Average customer review:
(31 customer reviews)

Product Description

Factory Calibrated: our meters are calibrated with a 342 ppm NaCl solution. Meters can be recalibrated with a mini-screwdriver. Fun, translucent blue housing that's very strong and durable. Includes a TDS chart sticker on the back of the meter that explains TDS values. Measurement Range: 0-9990 ppm. From 0-999 ppm, the resolution is in increments of 1ppm. From 1000 to 9990 ppm, the resolution is in increments of 10ppm, indicated by a blinking 'x10' image.

Product Details

  • Amazon Sales Rank: #508 in Home
  • Brand: HM Digital
  • Model: TDS-EZ
  • Dimensions: 1.00 pounds

Features

  • Auto-off function: the meter shuts off automatically after 10 minutes of non-use to conserve batteries
  • Hold Function: saves measurements for convenient reading and recording
  • Highly efficient and accurate due to its advanced microprocessor technology
  • Display: large and easy-to-read LCD screen
  • 2 YEAR WARRANTY

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