Bird Technologies AT-500-Manual - Manual (Page 70)

Bird AT-500 Antenna Tester
52
Specifications
Frequency Range 2 to 520 MHz
Frequency Resolution 20 kHz
Measurement Range
VSWR 1.00 to 100.00
Match Efficiency 0 to 100%
Return Loss -32 to 0 dB
Rho 0.000 to 1.000
Measurement Speed (Typical)
Single Frequency 5 Readings/second
Swept Frequency 1 Sweep/second
Test Port
Impedance 50
Ω
nominal
Connector (Field Interchangeable) Female N
Field Strength
Range 0 to 100% Relative
Sensitivity Full scale deflection at 8 Volts/
Meter at 100 MHz, depending on
gain setting.
0.22 V/m @ 400 MHz using
supplied antenna
Power Requirements
Batteries (5A2230)
(in older models) Six 1.22V AA, 700 mAH
Rechargeable NiCAD
Batteries (5B2230)
(in newer models) Six 1.2V AA (HR 15/51)
Rechargable NiMH
External DC 12 VDC <400mA
External AC Adapter 120 ± 10% VAC 50/60 Hz
Interface Serial (female DB-9 connector)
Operating Temperature 0°to 50°C (32° to 122°F)