Product name:Flame detector Test Lamp;Length:2.5m;Battery Voltage:DC7.4V,2200MA/H;Charge output:DC8.4V,1000MA;Material:aluminum and stainless steel;Place of Origin:CN;GUA;Brand Name:ASENWARE;Model Number:AW-D201;|Alibaba.com
A real world example: When trouble shooting a sprinkler system the 87 showed good voltage from the control box with the solenoid disconnected. The 12 showed zero volts. the reason is that the "V check" function puts a 1 K Ohm load across the voltmeter whereas the 87 has a very high ...