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Illustrated Calibration Demo

 pH Pen, 840037
 $32
 (Discontinued, Replacement coming end of this month!)

*WRLD'S  SMALLEST*
MiniLab pH Meter, IQ120 $194
&
MiniLab Professional pH Meter, IQ125 $234

          
Pocket sized and lightweight for portable use in a large number of applications including labs, water quality testing, pool and spa maintenance, aquariums, aqua-culture, and hydroponics.  Measures the full 0 ~ 14 pH range.  Batteries included.  Calibration solutions sold below.

Specifications
	pH Pen 840037	IQ120	IQ125
Special Features:	.	Isefet non-glass dry sensor, waterproof, small samples
Sensor:	Glass electrode	Isfet
ATC:
Dimensions:	6” x 1 1/8” x 3/4” (150 x 28 x 20 mm)	5 ½” x 1” x 5/8” (142 x 28 x 15mm)
Weight:	2 ½ oz.  (70g)	1.5 oz. (40 g)
Range:	0 to 14 pH	pH 2 to pH 12
Resolution:	0.1 pH	0.1  pH
Accuracy:	±0.1pH	± 0.1 pH
Calibration: pH solutions sold above.	1 pt.  (use pH7)	1 pt.	1,2, or 3 pts.
Operating Temperature:	32 to 122°F (0 to 50°C)	5° to 40° C
Operating Humidity:	< 80% RH
Batteries:	4 A76 batteries (1.5v)	Two 3v  lithium batteries CR2032
Battery Life:	Approx. 200 hrs.	200 hours continuous. 10 hour advance low battery warning.
Warranty:	90 Days Repair or Replacement only.  For hygienic reasons, we do not accept returns for refunds on these products.