HEATHKIT HM-2102 BULLETINS PDF

Fig 1: Heathkit HM HF RF Power Meter. The HM Meter for VHF is SImilar. Part #. Began Ended Frequency MHz. Power Watts. Notes. HM The Relay Modification Kit [PN ] is available from Heath Parts . March 2, HM Bulletin No: VHF Watt Meter HM MODEL HM VHF Wattmeter ASSEMBLY MANUAL Copyn^it Heath Company All rtghtt restrved HEATH COMPANY PHONE.

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The item may have some signs of cosmetic wear, but is fully operational and functions as intended. Email to friends Share on Facebook – opens in a new jeathkit or tab Share on Twitter – opens in a new window or tab Share on Pinterest – opens in a new window or tab.

Calibrator portion of meter not functioning correctly. Have one to sell?

Heathkit Service Bulletins – HG/HL/HM/HN/HO (Complete)

You may even position the detector unit at the antenna, although there is always the possibility of RF pickup on the extended interconnecting cable from the transmission line. Merely place the FUNCTION switch in either the or watt position; then read the corresponding scale on the meter scale to obtain the power output of the transmitter.

Locate the circuit board and position it lettered side up as shown in Pictorial 1. Be sure that the proper part has been wired into the circuit, as shown in the Pictorial diagrams and as called out in the wiring instructions.

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VHF Watt Meter HM-2102

bulletkns When the switch is set at the SWR setting, the Wattmeter measures the reflected power and indicates on the SWR scale the mismatch between the transmission line and the load antenna. RFS 15′ FT 4. It will not work on transmission lines that are used as tuned feeders, since tuned feeders normally have a high SWR. The remote cabinet is not weatherproof ed.

Seller information sleake Report item – heathkig in a new window or tab. Now determine the additional loss caused by the SWR from Figure 5 as follows: We suggest that you wear glasses, or at least clip the leads so the ends will not fly toward your eyes. Therefore, if you are using a transmission line long enough to have appreciable heaathkit, locate the Wattmeter near the antenna, especially when adjusting beams or tuning traps.

Check the equipment to see that all screws and parts are secured.

VHF Watt Meter HM Amateur-D Heathkit Brand, Heath Co.;

When in doubt, make measurements at the antenna and at the transmitter, so future changes in the readings will be meaningful. He’ll make certain your problems receive immediate, personal attention. The lead coming from the top of the coil must go to the hole nearest D3, and the lead from the bottom must go to the hole nearest D2. Tighten the other four black cabinet screws. If you have an accurate VHF Wattmeter, you can calibrate to it with similar results.

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Heathkit HM-2102 Assembly and Instruction Manual

This amount is subject to change until you make payment. Get bulletihs item you ordered or get your money back. We warrant that, during the first ninety 90 days of ownership, our products, when correctly assembled, calibrated, adjusted, and used in accordance with our printed instructions, will meet published specifications.

An external wattmeter may be used with transmitters at frequencies of 50 to MHz and power up to watts. The “Description” of the part will also appear near the part. September 10, Learn Hm-21102 – opens in a new window or tab.

I dont reset sensitivity each time. Coil the cable neatly and slide it into the opening beneath the remote unit. A review of the Circuit Description and the Schematic may prove helpful in locating a trouble.

Solder the four lugs to the foil.

Watch list is full. However, the accuracy of the external wattmeter will determine how accurate your Wattmeter will be. This is a problem area worthy of checking before any alignment is accomplished.

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