Hp Power Meter - 432a With Cable And 478a Thermistor Mount

US $350

Delaware, Ohio, United States
Jun 19th

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HP-432A WITH HP-478A THERMISTOR MOUNT AND CABLE THESE UNITS AND CABLE ARE BEING SOLD AS IS FOR PARTS AND/OR REPAIR WITH NO RETURNS. YOU ARE PURCHASING THE FOLLOWING: 1. HP-432A SERIAL NUMBER 1141A11896 METER. 2. HP-478A SERIAL NUMBER 30046 200 OHM THERMISTOR MOUNT. 3. HP 8120-1082 CONNECTION CABLE. 4. STANDARD AC POWER CABLE. A FREE COPY OF THE SERVICE MANUAL FOR THE 432A AND 478A IS INCLUDED ON CD ROM. THESE MANUALS MAY BE SLIGHTLY DIFFERENT THAN THE UNITS BEING SOLD AS HP MADE THEIR MANUALS SERIAL NUMBER SPECIFIC. THEY SHOULD BE ACCURATE ENOUGH TO REPAIR THE METER IF DESIRED. THE MOUNT SHOULD BE USABLE AS IS WITH THE LIMITATION LISTED BELOW. KNOWN FACTS: 1 HP-432A METER CONTINUOUSLY DISPLAYS BELOW ZERO (INTERMITTENT PROBLEM AS IT OCCASIONALLY WORKS CORRECTLY.) THE PROBLEM APPEARS TO BE LOCATED ON THE A2 CIRCUIT CARD. WHEN SWAPPED WITH A GOOD CARD, THE METER READS CORRECTLY. 2 THE THERMISTOR MOUNT IS TEMPERATURE SENSITIVE AND WILL CAUSE THE METER TO DRIFT FROM ZERO WITH A TEMPERATURE CHANGE. IT IS MOST NOTICEABLE ON THE NEG. 20DB RANGE. WRAPPING THE MOUNT IN FOAM RUBBER WILL HELP WITH TEMP. STABILIZATION AND PREVENT DAMAGE SHOULD THE MOUNT BE DROPPED. THE MOUNT HAS A FREQUENCY RANGE OF 10MHZ TO 10GHZ. MOST OF THESE MOUNTS WILL WORK TO SLIGHTLY BELOW 5MHZ WITH ONLY A SLIGHT DECREASE IN READING. I CAN'T GUARANTEE READINGS ABOVE 1 GHZ AS THAT IS THE HIGHEST RANGE OF MY SIG GEN. 3 THERE ARE THE NORMAL SCUFFS AND SCRAPES FOR THIS OLDER METER AND MOUNT AND SOME DISCOLORATION OF THE CABLE. THE CABLE IS IN FAIR CONDITION. IT HAS CABLE TIES ON IT. (IT WAS THAT WAY WHEN I PURCHASED IT AND SAW NO REASON TO REMOVE THEM.) 4 WHEN THE METER IS WORKING, WITH THIS MOUNT, IT DOES READ FAIRLY ACCURATELY WHEN COMPARED TO MY OTHER WORKING HP-432A AND FED FROM AN HP-8640B SIGNAL GENERATOR. 5 ONCE REPAIRED, YOU WOULD NEED TO MAKE A CALIBRATION CHART AS PER THE INCLUDED TECH MANUAL TO BE ABLE TO PROPERLY SET THE CALIBRATION FACTOR CONTROL. 6 THE METER IS CLEAN INSIDE WITH NORMAL WEAR OUTSIDE. THIS IS A GOOD METER FOR PARTS AND OR REPAIR. AGAIN IT IS SOLD AS IS WITH NO RETURNS. I DESCRIBE MY ITEMS ACCURATELY AND STRIVE FOR FIVE STAR FEEDBACK. IT WILL BE SHIPPED WELL PACKED TO ARRIVE TO YOUR DOORSTEP IN THE CONDITION IT LEFT MINE (BARING BEING RUN OVER BY A FORK TRUCK.) I AM DOWNSIZING AND WILL BE ADDING MORE TEST EQUIPMENT FOR SALE IN THE NEXT FEW WEEKS. I HAVE SET A LOW STARTING BID EQUAL TO THE PRICE OF JUST THE CABLE (EBAY BARGAIN PRICE). I ALSO HAVE A LOW BUY IT NOW PRICE. SHIPPING VIA UPS. IF YOU HAVE A POST OFFICE BOX, PLEASE CONTACT FOR A SHIP COST PRIOR TO BIDING. I PREFER UPS AS INSURANCE IS INCLUDED. A TWO DOLLAR FEE IS INCLUDED TO COVER PACKING AND TRIPS TO UPS. SHIPPING TO USA ADDRESSES ONLY. PAYMENT VIA PAYPAL AT AUCTION CLOSE. THANKS FOR LOOKING AND GOOD LUCK WITH YOUR BID.