| | MR8740 | MR8741 |
| Number of channels | Max. 54 analog + 16 logic | Max. 16 analog + 16 logic |
| Number of input units | When using analog units only:Block I: 16 analog units
32 analog + 8 standard logic channelsBlock II: 11 analog units
22 analog + 8 standard logic channels | When using analog units only:8 analog units
16 analog + 16 standard logic channels |
When using analog units and logic units
Block 1: 13 analog units + 3 logic units
26 analog + 56 logic channels(8 standard logic + 48 logic unit channels)
Block II: 8 analog units + 3 logic units
16 analog + 56 logic channels(8 standard logic + 48 logic unit channels) | When using analog units and logic units
5 analog units + 3 logic units
10 analog + 64 logic channels(16 standard logic + 48 logic unit channels) |
| Compatible input units (optional) | Analog Unit 8966, Temperature Unit 8967, High Resolution Unit 8968, Strain Unit 8969, Frequency Unit 8970, Current Unit 8971 (MR8740: up to 4 units), Logic Unit 8973 (up to 3 units), DVM Unit MR8990 |
| Measurement ranges (20div full scale) | 5 mV to 20 V/div, 12 ranges, resolution: 1/100 of range (with 8966)
5 mV to 20 V/div, 12 ranges, resolution: 1/1,600 of range (with 8968) |
| Maximum input voltage | 400 V DC (maximum voltage that can be applied across input terminals without damaging the instrument when using Models 8966/8968) |
| Maximum rated terminal-to-ground voltage | 300 V AC/DC (inputs and instrument are isolated; maximum voltage that can be applied between input channels and chassis or between input channels without damaging the instrument) |
| Frequency characteristics | DC to 5 MHz (-3 dB, with 8966) or DC to 100 kHz (-3 dB, with Model 8968) |
| Time axis (memory operation) | 5 μs to 5 min/div, 26 ranges, time-axis resolution: 100 points/div |
| Measurement functions | Memory (high-speed recording), FFT |
| Memory capacity | 16 MW/channel (fixed) |
| External storage device | USB 2.0 flash memory |
| Display | None
Digital DVI terminal for use with separately purchased display (MR8740: separate terminal for each block) |
| External interfaces | LAN: 100BASE-TX (DHCP and DNS support, FTP server, HTTP server)
USB: USB 2.0 series A receptacle × 2 (for mouse operation) |
| Power supply | 100 to 240 V AC, 50/60 Hz (max. 250 VA) | 100 to 240 V AC, 50/60 Hz (max. 120 VA) |
| Dimensions and weight | 426 (W) × 177 (H) × 505 (D) mm (excluding protruding parts)
10.8 kg (instrument only) | 350 (W) × 160 (H) × 320 (D) mm (excluding protruding parts)
5.4 kg (instrument only) |
| Accessories | Instruction manual × 1, application disk (Wv Wave Viewer and communications command list) × 1, power cord × 1, rack-mounting hardware (EIA, MR8740 only) |
