What are the differences between the 4-channel analog units?
QThere are two types of 4-channel analog units for the Memory HiCorders. What are the differences between U8975 4ch Analog Unit and U8978 4ch Analog Unit?
A
Please refer to the comparison table below for U8975 and U8978.
The U8975 supports input voltages up to 200 V. The U8978 supports up to 40 V, but offers higher resolution.
Please select the model according to your application.
| U8975 | U8978 | |
|---|---|---|
| Input / Number of channels | Voltage / 4 ch | Voltage / 4 ch |
| Sampling rate | 5 MS/s | 5 MS/s |
| A/D resolution | 16 bit (minimum resolution: 125 μV) | 16 bit (minimum resolution: 3.125 μV) |
| DC accuracy | ±0.1% f.s. | ±0.3% f.s. |
| Range configuration | 4 V f.s. to 200 V f.s. | 100 mV f.s. to 40 V f.s. |
| Maximum input voltage | 200 V DC | 40 V DC |
| Maximum rated voltage to ground | 300V AC, 300 V DC (CAT II) | 30 V AC, 60 V DC |
| Input coupling | DC, GND | DC, GND |
| Compatible models | MR8848, MR6000 series, MR8740T | MR8848, MR6000 series, MR8740T |