| Large Display Waterproof Ph Meter - Pen Style By Sper Scientific |  | Brand: Sper Scientific
Category: BISS
Buy New: $36.75
as of 9/8/2010 02:15 CDT details
Seller: Sper Scientific Direct
Rating:  4 reviews
Sales Rank: 1,154
Shipping Weight (lbs): 0.3
MPN: 850050
ASIN: B001EUB734
Availability: Usually ships in 1-2 business days
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| Features:
| • | Range: 2~12 | | • | Resolution: 0.1 | | • | Accuracy: ±0.3 pH | | • | IP-65 water proof | | • | 1 YR Warranty |
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| Editorial Reviews:
Product Description
Highly stable and accurate readings with large LCD display. Designed for simple one-hand operation. Automatically calibrates to pH 4, 7, 10 buffers and can be adjusted to recognize non-standard buffers as well. Features hold function, and auto power off with low battery indicator. The case is IP65 water proof, and will float if accidentally dropped into the water. Comes with 4 button-cell batteries and a built-in electrode kept moist with a protective cap. Dim: 6 ½ x 1 ½ x 1" (165 x 35 x 32mm). Weight: 2 ½oz (68g).
Required Calibration Buffer Solutions Not Included (Copy & Paste Links Below Into Your Browser to Purchase)
-pH 4 Buffer Solution: http://amzn.to/azF6aN
-pH 7 Buffer Solution: http://amzn.to/anXkp4
-pH 10 Buffer Solution: http://amzn.to/dD5G0F
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| Customer Reviews:
 SPER pH meter June 24, 2010
Richard E. Duggan (Kaneohe, Hawaii)
I bought this meter through Amazon.com. It appears to work well and is easy to use. The only thing that would make this product better would be the addition of a packet or two of calibration solution included when you buy it. You need to calibrate the meter before using it. Instead, SPER sent a free waterproof stop watch with my order, which I suppose would be useful for timing how fast my plants grow. But what I needed was calibration solution, so make sure you buy the solution when you buy the meter because the pH meter is useless without it.
 Just pay more and get a good one May 15, 2010
Dave Beightol (Colorado)
1 out of 1 found this review helpful
This unit is built very well, but trying to get it balanced and keep it balanced is a pain.
I am actually thinking about returning it. It takes more time to calibrate than it is worth.
Plus it looks like you will have to calibrate it every use. Might as well just use a liquid test kit.
 PH Meter review April 26, 2010
William P. Buzbee
1 out of 2 found this review helpful
The PH meter was a good price, but it seems too erratic in measuring the PH in water. I do not believe when it says a measurement, because it doesn't seem likely. Not sure if i would recommend this to anyone.
 Accurate and affordable March 4, 2010
LAB_DC
3 out of 3 found this review helpful
We use this instrument quite a bit, and it has done a good job for us. Great price.
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