Description: 1 x Dual Plate current / voltage probe for testing anode current / voltage on most octal power tubes like 6L6 6V6 EL34 KT88 5881 6B4G At the moment all units are equipped with a Fujisoku function switch, also insulated or gold plated banana plugs are optional ( no difference in the price ) Dual probes available here: http://www.ebay.com/itm/282610340765?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1555.l2649 1. Turn off your amp. 2. Remove tube 3. Insert probe 4. Insert black / blue banana plug in the COM jack of your multimeter 5. Insert red banana plug in the V,Om jack of your multimeter 6. Insert tube in the socket of the probe 7. Turn on your amp 8. Allow tube to warm up 9. For testing plate / anode current select " plate current " on the function switch of the probe 10. Set your multimeter to the mV range ( most common is 200mV ) You will get a direct reading in mA 11. For testing plate / anode voltage select " plate voltage " on the function selector switch 12. Set multimeter to the highest DC voltage available When done testing repeat in reverse from step No.8 If using a autorange multimeter steps No.10 and No.12 are not used. Important:You are measuring ONLY plate current and NOT cathode current. EVEN MORE IMPORTANT!!!!:EVEN THOUGH YOU ARE DEALING WITH A FEW MILLIVOLTS' BETWEEN THE BANANA PLUGS ,IF THE CATHODE ON YOUR AMP IS CONNECTED TO CHASSIS ( PROBABLY IS ) YOU WILL HAVE THE FULL B+ POTENTIAL BETWEEN EACH OF THE BANANA PLUGS AND THE CHASSIS OF YOUR AMP. ALWAYS ALWAYS ALWAYS PLUG THE BANANA PLUGS IN THE MULTIMETER BEFORE SWITCHING ON THE AMP TO AVOID ELECTROCUTION. MOST IMPORTANT:DO NOT COME AND HAUNT ME IF YOU DO NOT FOLLOW THE ORDER GIVEN ABOVE Using the probe in conjunction ( one on top of the other ) with this probe: http://www.ebay.com/itm/282486634800?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1555.l2649 allows the user to test the mutual conductance of the tube via the " grid shift " method NOT MADE IN CHINA Shipping tracking provided.
Price: 56.99 USD
Location: Yahinovo , Bulgaria
End Time: 2024-08-22T04:30:05.000Z
Shipping Cost: 8 USD
Product Images
Item Specifics
Restocking Fee: No
Return shipping will be paid by: Seller
All returns accepted: Returns Accepted
Item must be returned within: 30 Days
Refund will be given as: Money Back
Model: plate current / voltage probe
Modified Item: No
Country/Region of Manufacture: Bulgaria
Custom Bundle: No
Non-Domestic Product: No
Type: bias probe
MPN: plate current / voltage probe
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