A mérőműszer megnevezése: Komplett DCVG tradicionális készlet, 50 Amperes kapcsolóval.
A komplett DCVG tradicionális készlet, az 50 Amperes kapcsolóval alkalmas, a földalatti csőtávvezetzékek szigetelési hibahelyeinek a pontos meghatározására, a csővezetékek kiásása nélkül.
|
ITEM |
DCVG Meter |
|
Case |
Moulded Plastic |
|
Meter Movement |
Special Design to ON/OFF Pulse Sequence 0.45/0.8 sec |
|
Meter Input Impedance |
1 meg ohm |
|
Meter Response |
300 milli-seconds Full Scale |
|
Needle Overshoot |
Minimal as Residence Time 150 milli-seconds |
|
Battery |
Nickel Cadmium 12V Multicell 1.2 |
|
Ranges |
10, 25,50,100, 250,1000, 2500, 4000 mV |
|
Individual Range Calibration |
All Ranges |
|
Calibration Certificate |
Yes |
|
Sensitivity |
Example. On 10mV Range Calibrate + and – 5mV from Centre Scale Position |
|
Sensitivity |
2 x that of PCS 2000 |
|
Automatic Centre Zero Bias |
No. Manual System to give Maximum Flexibility |
|
Minimum Survey DCVG Signal |
100 mV |
|
Maximum Survey DCVG Signal |
2500 mV |
|
DCVG Survey T/R Interrupter Colour |
Red |
|
Switching Device |
Mosfet Switch |
|
ON /OFF Cycle |
0.45 sec ON , 0.8 sec OFF |
|
Capacity of Switching Device |
180A 200V DC |
|
Recommended Operation (re Anodic & Cathodic Spikes) |
50 to 80 Amps |