Undertube Sunshine Recorder ( English info in package) Also called Joe Tang style Sunshine Recorder, It is a very good educational instrument for chirdren . 1. Use Type FJ-1 cylinder sunshine meter can be used to observe the beginning time or the ending time of sunshine, and also can be used to count up duration of sunshine.
(On Products over $75) Testo 435-2 (0563 4352) Multiparameter Tester for A/C, Vent and IAQ with Memory, Software and USB New - Factory Authorized Distributor - Factory Warranty Multifunction meter for A/C, ventilation and IAQ with memory Accepts a wide array of sens
here is a Water Conductivity Meter by Crystalabs Ioni-Meter # PT-25.it is complete with the probe and it works good.the meter itself measures 6 x 3 1/2 inches.it is lightly used and in very nice shape. buy it now for $99.00 or make an offer!
PHH-103pH/mV/TEMPERATURE METERINSTRUCTIONSHEETM4318-0606Shop online at: omega.com e-mail: info@omega.comFor latest product manuals: omegamanual.infopH/mV/Temperature Meter The PHH-103 is a Microprocessor based designed. Therugged housing and splash proof keyboard make thePHH-103 ideal for measurements outside of thelaboratory. The large LCD displays pH and
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