IM-5284: Multimeter, These items have been improved, especially, they have pilot lamps for each function as the original items were consuming internal (standard 9 volts) batteries at the speed of light. With bright LED lights, you cannot forget to switch them off when you have finished. Anyway, they NOW are working with the specific line 120 volts Heathkit added for these instruments., batteries are NOT needed any more. (but you can still connect standard batteries if you like to work independently..Voltmeter AC and DC up to 1,000 volts, Ammeter DC measurement up to 1,000 mAOhmmeter X1, X100, X10K and X1MohmsIf you buy more than one instrument from my list, ask for a group shipment. I ship ONLY to Canada or the continental states of the USA. Shippings paid by the buyer. (Via EBay) Thank you for watching

Set of 3 instruments (IG-5282 Audio generator, IG-5280 RF generator, IM-5284 Multimeter with large galvanometer and its special Heathkit power supply IPA-5280-1) is sold into one ensemble ONLY. (Not sold separately) IM-5284: Multimeter, These items have been improved, especially, they have pilot lamps for each function as the original items were consuming internal (standard 9 volts) batteries at the speed of light. With bright LED lights, you cannot forget to switch them off when you have finished. Anyway, they NOW are working with the specific line 120 volts Heathkit added for these instruments., batteries are NOT needed any more. (but you can still connect standard batteries if you like to work independently..Voltmeter AC and DC up to 1,000 volts, Ammeter DC measurement up to 1,000 mAOhmmeter X1, X100, X10K and X1Mohms IG-5280 RF generator.310Khz to 110 Mhz plus harmonics X2 (220 Mhz) in 5 bandsOutput 100mV Internal modulation 1000Hz, AF output 2.0 Volts, IG-5282 Audio frequency generator:10 Hz to 100 kHz in 4 ranges, Sinus waves 0-3 volts, Square signal 0 to 3 Volts, separate outputs IPA-5280-1 Power supply, 5 outputs paired +9 and -9 Volts DC (Input AC line 100 to 135 Volts)It feeds up to 5 instruments of the 52xx Heathkit line of profucts.Updated to use modern connectors (Bi-voltage) Each item is guaranteed in terms of measurement (Voltage) and frequency and fits with the manufacturers specifications. Returnable within 2 weeks if any does not fit with the description above, It is a very good set of instruments working OK. (and still in use). I ship ONLY to Canada or the continental states of the USA. Shippings paid by the buyer. (Via EBay) Thank you for watching GUARANTEED 2 weeks, returns accepted if not in conformity with the description .I only have one set like this one. Schematics (paper copies) are attached for each instruments.

The set of 3 instruments (IG-5282 Audio generator, IG-5280 RF generator, IM-5284 Multimeter with large galvanometer and its special Heathkit power supply IPA-5280-1) is sold into one ensemble ONLY. (Not by parts) IM-5284: Multimeter, These items have been improved, especially, they have pilot lamps for each function as the original items were consuming internal (standard 9 volts) batteries at the speed of light. With bright LED lights, you cannot forget to switch them off when you have finished. Anyway, they NOW are working with the specific line 120 volts Heathkit added for these instruments., batteries are NOT needed any more. (but you can still connect standard batteries if you like to work independently..Voltmeter AC and DC up to 1,000 volts, Ammeter DC measurement up to 1,000 mAOhmmeter X1, X100, X10K and X1Mohms IG-5280 RF generator.310Khz to 110 Mhz plus harmonics X2 (220 Mhz) in 5 bandsOutput 100mV Internal modulation 1000Hz, AF output 2.0 Volts, IG-5282 Audio frequency generator:10 Hz to 100 kHz in 4 ranges, Sinus waves 0-3 volts, Square signal 0 to 3 Volts, separate outputs IPA-5280-1 Power supply, 5 outputs paired +9 and -9 Volts DC (Input AC line 100 to 135 Volts)It feeds up to 5 instruments of the 52xx Heathkit line of profucts. Each item is guaranteed in terms of measurement (Voltage) and frequency and fits with the manufacturers specifications. Returnable within 2 weeks if any does not fit with the description above, It is a very good set of instruments working OK. (and still in use). I ship ONLY to Canada or the continental states of the USA. Shippings paid by the buyer. (Via EBay)Price is NOT negotiable. If you want a lower price, there are similar items on EBay from time to time. Some may be as good !Thank you for watching GUARANTEED 2 weeks, returns accepted if not in conformity with the description .I only have one set like this one. Schematics (paper copies) are attached for each instruments.

Heathkit Impedance Bridge Model IB-28 Assembly Manual ReprintPages: 35Manual is a reprint of the original Manual shows some light wear from age and normal handlingOverall, manual is in good condition with lots of life leftWill ship via Media Mail

THIS VTVM WAS BOUGHT IN A JOB LOT TOGETHER WITH A RAPID DVM WHICH WAS THE ONE I NEEDED. I HAVE NO USE FOR IT, AND I KNOW VERY LITTLE ABOUT IT SO I HAVE HAD NO OCCASION TO LOOK AT IT OR TRY TO USE IT. IT IS THERFORE SELLING AS NOT WORKING OR FOR PARTS ONLY. COSMETICALLY IT IS IN QUITE REASONABLE CONDITION. PLEASE CHECK THE PHOTOS CAREFULLY I HAVE MADE THEM AS DETAILED AS I COULD.THERE ARE 3 OF WHICH SEEM TO BE HOMEMADE PROBES. ONE BLACK WHICH APPEARS TO BE AN EARTH LEAD FROM THE REAR OF THE UNIT AND ANOTHER PAIR RED AND BLACK WHICH ARE INDIVIDUALLY MARKED AC AND DC AND TERMINATE IN 1/4 INCH JACKPLUGS TO FIT IN THE FRONT SOCKET.AS THIS IS VALVED EQUIPMENT FROM AN ERA SINCE WHICH MANY ELECTRICAL SAFETY REGULATIONS HAVE BEEN CHANGED IT IS THE BUYERS RESPONSIBILITY TO ENSURE THAT IT IS SAFE TO CONNECT TO THE MAINS IF THEY INTEND TO DO SO.NO GUARANTEE OF ELECTRICAL SAFETY IS GIVEN OR IMPLIED.

Heathkit Impedance Bridge Model IB-28 Assembly Manual ReprintPages: 35Manual is a reprint of the original Manual shows some light wear from age and normal handlingOverall, manual is in good condition with lots of life leftWill ship via Media Mail

1968 Heathkit IM-28 Vacuum Tube Voltmeter Assembly Manual Original Info Overall in good condition. In storage many years. Cover shows wear from storage and use. Inside pages in good condition overall. Paperback. 37 pages. Copyright 1968. Please look at the pictures closely to understand and verify what you are buying.