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Leader LF 943D Signal Level Meter
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Leader LF 943D Signal Level Meter




Click image to enlarge 		Features:
  • Measures digital and analog CATV,VHF, FM, UHF and pilot signals.
  • Large digital display eases accurate repeatable level measurements.
  • Memory function can store up to ten arbitrary measurement frequencies.
  • CATV upstream can be measured with standard sub band starting at 5MHz.
  • CATV lookup tables include USA STD, HRC and IRC systems.
  • Antenna direction can easily be peaked with the bargraph display.
  • Visual, sound and digital carrier level modes are measured.



Model Description List Price Sale Price
LF943D TV Signal Level Meter - Discontinued - replaced by Leader lf941d


Please also see the Sadelco DisplayMax Jr 2000.

The Model LF 943D Signal Level Meter is designed to quickly and accurately measure CATV and VHF/UHF TV signals.The meter is applicable to digital terrestrial video broadcast as well as conventional analog broadcast systems. Sub-band operation starts at 5 MHz allowing for both upstream and down stream CATV testing.Ten memories allow store and recall for commonly used preset frequencies. Visual, aural and digital carrier levels are measured with onscreen display of measurement mode. CATV look up tables include standard HRC and IRC systems. Overall, the meter is easy to use, lightweight and ideal for field use.


     Specifications:

General
Frequency Range 5 to 870 MHz (50 kHz steps)
Frequency Setting Settable in 50 kHz steps (The frequency of the memory channels can only be set)
Built-In Channel Table Japan, U.S.A. (corresponding to each CATV channel of STD, HRC, IRC), ITU-R (CCIR), China, UK, Hong Kong area, Indonesia, Australia (Selectable with switch)
Automatic Power Off 5, 10, 20, 60 minutes, continuous
Operating Temperature Range 0 to 40° C
Operating Humidity Range [85% RH (without condensation)
Spec-Guaranteed Temperature Range 0 to 40° C
Spec-Guaranteed Humidity Range [85% RH (without condensation)
Storage Temperature Range -10 to 50° C
Operating Environment Indoor/Outdoor use (no rain water)
Operating Altitude Up to 2000 m
Pollution Degree 2
Dimensions
Size (W x H x D) 7 x 2 11 / 16 x 7 7 / 8 in., 180 x 68 x 200 mm (excluding protrusions)
Weight 850 g (excluding batteries) Approx. 2.9 lbs., 1.3 kg (Including C batteries)
Power Supply 6 C cells
Power consumption Up to 2.5 W
Level Measurement Broadcast Format
Analog AM (video), FM (sound), CW
Digital OFDM (terrestrial digital broadcast system) 16-256 QAM (CATV) 8VSB (terrestrial digital broadcast system in USA) The channel bandwidth (i.e., 5 MHz, 6 MHz, 7 MHz, 8 MHz) can automatically be selected by setting the channel table.
Resolution 1 dB
Measurement Bandwidth Analog system: 280 kHz (typ.)
Digital System Five points in the channel bandwidth
Measurement Range
Analog 30 to 110 dBµV (-30 to 50 dBmV) (1 dB steps)
Digital 45 to 100 dBµV (-15 to 40 dBmV) (1 dB steps)
Accuracy
Analog ±3 dB
Digital ±3 dB (Frequency response of channel bandwidth should be flat).
Detection Method
Analog Peak Detection
Digital Average-value detection
Level Unit dBµV, dBmV, selectable
Display
LCD Panel Display area: 30 x 70 mm
Input Connector F-type, 75
Monitor Output FM detection (sound frequency)
AM detection (video frequency) AM detection (video frequency)
Output Connector 3.5 —, monaural jack (for earphone)
Memory
Number of Channels Up to 10 channels
Storable Item Frequency, Modulation type (analog or digital)


   
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