|Rycom Instruments 6040 Level Meter|
|Beschreibung:||Selective Level Meter|
The 6040 Selective Level Meter is a portable field or bench instrument designed to make precision measurements of both level and frequency on frequency division multiplex (FDM) equipment baseband signals. The level range of the instrument is —99.9 dBm to 20.9 dBm with 0.1 dB resolution. The frequency range is 300 Hz to 3.5 MHz with a signal counter accuracy of better than 4 x 10””^in either the 10 Hz fast update mode or the 1 Hz 2 second update mode. Although its primary application was intended to be on high density long haul microwave systems, the 6040 may be employed on any communications equipment requiring selective level or frequency measurements. 1.2 ELECTRICAL FEATURES The key electrical features of the 6040 selective level meter are as follows: • Level Accuracy — ±0.2 dB at carrier frequencies provides the precision required to do end-to-end line-ups on high density, long haul microwave systems. Accurate measurement on the full range of customer test point configurations can be accommodated with the 6040 because this instrument compensates for bridging and impedance errors. • Auto Level Ranging — is provided to allow the technician to make rapid signal search measurements since the instrument automatically selects the appropriate range for any signal level. The level range may also be manually selected. • AFC Tuning — automatically takes the tuning errors out of your measurements. The 6040’s AFC is locked to the high stability temperature compensated crystal oscillator module so that each measurement is made with the tuning at the same point on the bandpass filter, thus providing repeatable measurement accuracy. The AFC is also a great time-saver since no time consuming manual tuning is required to keep signals in tune. For measurements not suited to AFC tuning such as noise or FSK signals, manual tuning and a high resolution analog tuning indicator are provided. • Precision Frequency Counter —- is built into the 6040 level meter providing the capability of two instruments in one. The precision frequency counter derives its reference from a high stability temperature compensated crystal oscillator module which provides an accuracy of 0.4 ppm. This is excellent for testing the frequency drift on drop and insert carrier channel oscillator and pilots. A signal count with 1 Hz resolution is provided for the measurement of incoming signals. Other frequency display modes provided are signal count with 10 Hz resolution and a center passband frequency; the frequency to which the 6040 is tuned, • Analog Tuning Meter — In addition to the digital LEVEL dBm display, an analog tuning meter is provided equipped with two ranges. One range provides a 21 dB window for sweeping a baseband for hot signals or observing noise spikes. The second range provides a 4 dB window with an adjustable zero dB set point to make it easy to manually tune and peak a signal with high manual resolution. • Level Out — A front panel BNC connector provides a linear dBm scaled DC output to drive a recorder or oscilloscope for an analysis of fades, noise or level troubles. 3-84 ® LCD Digital Displays — of both frequency and level are provided for high visibility. The LCD displays are designed for high ambient temperature operation and are equipped with self regulating heaters for low temperature operaton below 5°C. • Field Operation — the 6040 weighs 21 lbs and is AC or rechargeable battery powered. It has a unique battery discharge protection feature that helps prevent running out of battery capacity before tests are complete. At a threshold battery voltage, LO BAT alert will flash in the LEVEL dBm display. 25 minutes later, the 6040 shuts itself off to prevent permanent battery damage. By momentarily switching to POWER OFF, the protection circuit can be reset to complete remaining measurements.
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|Rycom Instruments -- 6040 -- Bedienungsanleitung|
|Dateigröße:||928.86 Kbytes (951153 Bytes)|
|Dokument-ID/Nummer:||030 00030 01|
|Qualität:||Gescanntes Dokument, alles ist lesbar.|
|Upload Datum:||01 Juni 2015|
|Downloads:||155 seit dem 01 Juni 2015|
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