Specifications

Narda 50 NBM-580
5 Maintenance
4� Ifsensordisplaysreading,verifyproperconnectionto
NBM-580.Re-establishconnectiontoNBM-580and
repeat test�
5� Ifnoindicationisseenonsensordisplayfollow
trouble shooting information given in sensor manual�
NOTE: Do not use this function test for measurements�
Thistestisonlysuitableforcheckingsensorsandtheir
connectiontotheNBM-580.Thereadingsdisplayedon
theNBMmeterdependonthetypeofsensorandareir-
relevantforthistest,andassuchcannotbeusedtoverify
calibration�
Appropriate test sources
The following table shows appropriate test sources for a
function test�
Probe
Test Source:
27 MHz
(2244/90.38)
Test Source: 446
MHz PMR Pocket
Radio
1
EF0391
✓ ✓
EF0392
✓ ✓
EF1891
✓ ✓
EF6091
✓ ✓
HF3061
✓ ✓
HF0191
✓ ✓
EA5091 –
✓
EB5091 –
✓
EC5091 –
✓
ED5091 –
✓
EF5091 –
✓
EF5092 –
✓
EF0691
✓ ✓
1.PMRPocketRadiosarecommonlyavailableinelectronicsstores.