VA-440
Ampere-voltmeter for DC circuits.
Climate versions: boreal and tropical
Allowed vibratory loads: frequency 40..50 Hz, acceleration 20 m/s2
Ambient air temperature -50..+50 oC
Connection, measurement range
| Version | Measurement range | Scale-division value | Connection |
| VA-140 VA-240 VA-340 | 10-0-30 A | 2 A | bypass ShA-140 |
| 0-30 V | 2 V | direct | |
| 20-0-60 A | 5 A | bypass ShA-240 | |
| 0-30 V | 5 V | direct | |
| 40-0-120 A | 10 A | bypass ShA-340 | |
| 0-30 V | 2.5 V | direct | |
| VA-440 | 100-0-300 A | 20 A | bypass ShA-440 |
| 0-30 V | 2 V | direct | |
| VA-540 | 100-0-500 A | 50 A | bypass ShA-540 |
| 0-30 V | 2 V | direct |
Inaccuracy, %
Voltmeter ±2
Ammeter ±2+y (y – allowed resistance variation)
Allowed inaccuracy per 10 oC within range -50..+50 oC (for VA-040 ammeter part) ±0.5%
Device weight 0.4 kg
Bypass weight, kg:
ShA-140, ShA-240, ShA-340 0.1
ShA-180 0.25
ShA-440, ShA-540 0.4
Dimensions, mm:
VA-040 60x93,5
ShA-140, ShA-240, ShA-340 85x26x25
ShA-180 85x40x29
ShA-440116x31x35
ShA-540132x31x35
Setting time 3 s.
