| Model |
RD-50E |
RD-50R |
| Measurement function |
DC voltage measurement, DC current measurement |
| Measuring range |
±5 VDC, ±10 VDC, 4 to 20 mA DC (selectable) |
| Display range |
-19999 to +39999 |
| Measuring accuracy |
±0.03% of F.S. (at ±5 VDC range)
±0.03% of F.S. (at ±10 VDC range)
±0.05% of F.S. (at 4 to 20 mA DC range) |
| Input |
Impedance |
100 Ω |
| System |
Single-ended |
| Number of inputs |
2 |
| Sampling rate |
2000 c/s |
| Display rate |
20 c/s |
| Control input |
Synchronous, Hold-reset, Auto-zero, External setting:
NPN open-collector or non-voltage contact signal |
| Control output (2) |
Tolerance setting |
8 programs selectable (4 levels per program) |
| Signal |
5 x NPN open-collector (HH, HI, GO, LO, LL) : 100 mA (40 V max.) |
| Response time |
1 ms (when average number 1) |
| Off-delay time |
60 ms (ON/OFF selectable) |
| Analog voltage output |
Voltage |
±10 VDC |
| Impedance |
100 Ω |
| Response time |
1 ms (when average number 1) (1) |
| Interface |
Control input by NPN open-collector or
non-voltage contact signal |
Data output and control input through
RS-232C |
| Power supply |
24 VDC±10% |
| Current consumption |
240 mA max. |
| Ambient temperature |
0 to +50°C (32 to 122°F), No condensation |
| Relative humidity |
35 to 85%, No condensation |
| Vibration resistance |
10 to 55 Hz, 1.5 mm double amplitude in X, Y, and Z directions, 2 hours respectively |
| Weight |
Approx. 700 g (excluding fittings) |