Digital AC Frequency Meter(with Alarm/Relay output) Four digit LED display with two digit after decimal point Ideal for Power Generator, Wind Turbin, Water-power, Stereo system, Camera DVR
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.
Product Description 100% Brand new and high quality. size: 40x40x27mm (1.57*1.57*1.1 inch) For Pipe Diameter:8mm (Id) G1/4"12MM(OD) Package: 1 x Flow scout meter 3x Connector Shipping: Economy Int'l Shipping:Free shipping without tracking number. Standard Int'l Shipping:+$3 shipping with tracking number,faster and safer.you can track online.
Industrial quality variable area flow meter (rotometer)* Water calibration for 5.0 to 30.0 gallon per hour flow range Accuracy +/- 3% of range Needle valve for adjustment of flow rate 1/4-inch female NPT stainless steel pipe connections at rear Graduated glass tube Stainless steel float and wet parts Buna-N seals Steel frame Clear plastic tube protector *other flow ranges and pipe sizes are available - see my other listings or c
(On Products over $75) Extech EC400 ExStik Conductivity/TDS/Salinity Meter New - Factory Authorized Distributor - Factory Warranty Autoranging meter offers 3 ranges of measurements from tap water to wastewater and any aqueous solution requiring a conductivity measurement, plus sal
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