WATSON FC-130 Manual

INTRODUCTION
The Watson FC-130 hand-held frequency counter is our most popular counter. Even advanced features such as
field strength measurement are incorporated. It is a compact, true pocket size, test instrument designed for
ease of use and dependable performance. Supplied as a complete package with internal NiCad pack, AC wall
charger and 7 section telescopic antenna.
CONTROLS
1) POWER SWITCH - This slide switch turns the counter on and initiates a 2 second test of all LCD segments.
2) RANGE SWITCH - This should be switched to the 300MHz position for frequencies between 1MHz and
300MHz and switched to the 3GHz position for frequencies between 10MHz and 3GHz.
3) HOLD BUTTON - This will stop the counter from counting and hold the current display.
4) GATE BUTTON - This has four positions and selects the gate or measurement time. A longer gate time means counting for a longer
period and results in higher accuracy.
5) CALIBRATION - A calibration adjustment opening, marked "CAL" is located on the front panel of the counter. This opening permits
access to the trimmer capacitor that provides about a 10 PPM adjustment range of the time base oscillator. When calibrating, use the
slow gate time for maximum resolution and read a stable signal of known frequency before adjusting the trimmer for correct frequen-
cy display. Calibrate at 4. 1 943MHz or higher as the higher the calibration frequency the more accurate the counter will be.
WARRANTY
Watson guarantees the counter and accessories for one year against defects in manufacture. This warranty does not cover items that
have been modified, subject to unauthorized repairs, misuse or abuse. This warranty does not cover damage caused by excessive
power levels applied to signal input. Never make a direct connection between the counter and a transmitter.
WATERS & STANTON PLC - 22 MAIN RD, HOCKLEY, ESSEX SS5 4QS
ENQUIRIES: 01702 206835 ORDERS: 08000 73 73 88 E-MAIL: sales@wsplc.com WEB: www.wsplc.com
FC - 130
Frequency C C ounter
SPECIFICATIONS
Frequency range:
1MHz-3GHz
Weight:
210g
Size:
80(H) (excluding antenna) x 68(W) x
31(D) mm
Impedance:
50 Ohms (BNC socket)
Case:
Stamped aluminium with black
anodized finish
Battery:
Internal 4 x AA 600mAh NiCad pack
Power:
9 VDC 300mA
Timebase: <1 PPM typical at room temperature
FEATURES
* 10 digit Liquid Crystal Display
* Low power consumption
(Average 6 hour battery life)
* Supplied with NiCad pack, AC wall charger
and telescopic whip antenna.
* Hold button to lock display
* Low battery indicator
* Ultra sensitive synchronous detector
16 section bargraph to show RF signal strength
* High speed 300MHz direct counter with 0. 1 Hz resolution
* 4 selectable gate speeds
1MHz - 3GHz