Equipment information
Philips PM 6668 Frequency counter
Manufacturer:
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Model:
PM 6668
Date:
1987
Category:
Group:
Description:
Information
The PM 6667 and PM 6668 are microcomputer based frequency
counters, spanning a frequency range of 10 Hz ... 120 MHz
(PM 6667) and 10 Hz ... 1 GHz (PM 6668).
The use of the microcomputer allows a new approach in
frequency measurements, that eliminates the traditional ±1
cycle error. By making a multiple period measurement and
computing the reciprocal value, these counters perform high
resolution frequency measurements on low frequency signals.
Another microcomputer feature in these counters is the
automatic range selection. The measuring result is always
displayed with maximum resolution without overflow and with
proper indication of Hz, kHz, MHz and decimal point.
There is choice between two measurement rates; NORMAL
with 7-digits resolution every second or FAST with 6 or 7-
digits resolution every 200 ms. The fast mode is used for
measuring changing frequencies as with tuning.
The following options are available: a more stable time base
version with TCXO (/02 version), a rechargeable battery unit
PM 9601 that can be mounted inside the counter, an impact
resistant (ABS) protective carrying case PM 9602 and a 19"
rack/panel mount adapter PM 9603.
The 7-digit liquid crystal (LCD) display contains also the
unit and decimal-point indicators.
After you switch on the counter, a self test is executed.
Should an error be detected, it is shown on the display by a
diagnostic code.
Manual Type:
Service Manual
Pages:
74
Size:
3.44 Mbytes (3604700 Bytes)
Language:
english, german, french, italian, dutch
Revision:
second edition
Manual-ID:
9499 463 01617
Date:
1986 02 15
Quality:
Scanned document, all readable.
Upload date:
2017 01 30
MD5:
2182ae6ef40660ce370719f767949657
Downloads:
1764
Information
Operating manual 2
Gebrauchsanleitung 8
Notice d’emploi 14
Bruksanvisning 20
Istruzioni per I’uso 26
Gebruiksaanwijzing 32
Service manual 40
Appendix, PM 9601 63
Manual Type:
User Manual
Pages:
47
Size:
73.57 Mbytes (77145615 Bytes)
Language:
english
Revision:
Second Edition
Manual-ID:
9499 463 01617
Date:
1987 01 01
Quality:
Electronic document, no scan, very well readable.
Upload date:
2017 01 29
MD5:
254f5c0b156404b40f9d1c6a3b49dfd9
Downloads:
2502