Sensitivity |
0.2 u V at a 200 ohm input impledane for full scale deflection |
Noise level |
At least 5 DB below full scale at rated sensitivity and maximum bandwidth with input terminated in 100 ohm and 500 ohm for crystal low and hight impedances respectively. |
Calibration |
Square law, meter indicated SWR in dB |
Range |
70 dB steps, accuracy +- 0.2 dB per 10 dB steps Maximum cumulative error +0.5 dB |
Scale Selector |
Normal, Expand & -5dB |
Meter scale |
SWR1-4, SWR3-10, Expand -1.3 dB 0-10, expand dB 0-2 |
Gain control |
Adjust the reference level, variable range 0-10dB approx. |
Input |
"Bolo" bias provided for 4.3 mA low current bolo meters. |
|
"Crystal" 200 ohms for low impedance crystal rectifier and 200K ohms high impedance |
Crystal |
Rectifier as null detector |
Recorder Output |
Socket provided for recording having 1V for Full scale deflection, internal resistance of 1000 ohms or less. |
A/C Output |
BNC connector for amplified output |
Input connector |
BNC(F) |
Frequency |
1000 Hz+- 10% |
Amplitude |
High gain tuned at one frequency |
Power |
230 volts A.C +- 10%, 50Hz mains supply. |