Re: Circuit diagram for a handheld moisture meter

[steve1]

I am a student undertaking research into the accuracy of electrical moisture meters for the purpose of damp diagnosis within a building. Im looking for a circuit diagram for a handheld moisture meter of either conductive or capacitance type, can anyone help me out?

 

[jbartos]

Suggestion: Visit

http://www.thomasregister.com

and type Sensors: Moisture, which will return 11 companies to inquire about the circuit and hardware, e.g.
AgriChem Inc.
15760-T Lincoln St. NE
Hamlake, MN 55304 USA
Tel: 763-434-6755
Fax: 763-434-1577
Product Description
Feed & Grain Moisture Sensors For On-Line Process Control
Essentially, the moisture sensor may be engineered and designed as any other sensor in instrumentation loop, with signal processing devices, and outputs: monitoring, alarms, recording, communications, etc. The sensor parameters vary from product to product; however, the trend is to comply with industry standards, ISA, IEEE, etc.