| Resistance range (13 ranges) | [Range, Maximum display value, Resolutions, Testing current (Measurement current) ]
1000 μΩ: 1200.000 μΩ, 1 nΩ, 1 A
10 mΩ: 12.000 00 mΩ, 10 nΩ, 1 A
100 mΩ: 120.000 0 mΩ, 100 nΩ, 1 A
1000 mΩ: 1200.000 mΩ, 1 μΩ, 100 mA
10 Ω: 12.000 00 Ω, 10 μΩ, 10 mA
100 Ω: 120.000 0 Ω, 100 μΩ, 10 mA
1000 Ω: 1200.000 Ω, 1 mΩ, 1 mA
10 kΩ: 12.000 00 kΩ, 10 mΩ, 1 mA
100 kΩ: 120.000 0 kΩ, 100 mΩ, 100 μA
1000 kΩ: 1200.000 kΩ, 1 Ω, 10 μA
10 MΩ 12.000 00 MΩ, 10 Ω, 1 μA
100 MΩ (100 MΩ range high-precision mode): 120.000 0 MΩ, 100 Ω, 100 nA
1000 MΩ: 1200.0 MΩ, 100 kΩ, 1 μA or less |
| Representative accuracy (High mode, OVC function enabled, SLOW2, no zero adjustment) | 1000 μΩ range: ±0.045% rdg ±0.010 % f.s.
10 mΩ range: ±0.045% rdg ±0.001 % f.s.
100 mΩ range: ±0.045% rdg ±0.001 % f.s.
1000 mΩ range: ±0.012% rdg ±0.001 % f.s.
1000 Ω range: ±0.006% rdg ±0.001 % f.s. |
| Testing current (Measurement current) | High mode: 1000μΩ (1 A) to 1000 MΩ (up to 1 μA)
Low mode: 100 mΩ (100 mA) to 100 Ω (1 mA)
Low power mode (LP): Low power measurement with measurement current and open circuit voltage down to 20 mV
LP1000 mΩ (1 mA) to LP1000 Ω (5 μA) |
| Measurement speed | Representative value: FAST (2.3 ms) / MED (50 Hz: 22 ms, 60 Hz: 19 ms) / SLOW1 (102 ms) / SLOW2 (202 ms)
PR10 mΩ range*: FAST (21 ms) / MED (50 Hz: 41 ms, 60 Hz: 37 ms) / SLOW1 (121 ms) / SLOW2 (221 ms) |
Path resistance tolerance (reference values)
Path resistance between SOURCE B and SOURCE A (other than measurement target) | Range: 100 mΩ or less (PR* mode off) : 2.6 Ω
Range: 100 mΩ or less (PR* mode on) : 3.5 Ω
Range: 1000 mΩ: 15 Ω
Range: 10 Ω : 150 Ω
Range: 100 Ω : 100 Ω
Range: 10 kΩ : 500 Ω
Range: 100 kΩ or greater: 1 kΩ |
| Maximum open-terminal voltage | Range: 1000 Ω or less: 8.0 V
Range: 10 kΩ or greater: 20 V |
| Temperature measurement | Temperature Sensor (Z2001[included accessories]): -10.0℃ to 99.9℃
Analog input (Ex: Infrared thermometer): DC 0 V to 2.0 V |
Multiplexer (built-in option)*
*RM3545A-2 only | Multiplexer unit Z3003
Number of installable units：Max. 2
Maximum number of channels : 20 channels (4-wire method), 42 channels (2-wire method)
Switching time : 30 ms |
| Multiplexer (external option) | Switch Mainframe
Maximum number of channels (SW1001): 33 channels (4-wire method)
Maximum number of channels (SW1002): 132 channels (4-wire method)
Switching time：11 ms |
| Communication interfaces | LAN (TCP/IP, 10BASE-T/100BASE-TX), RS-232C (Max. 115200 bps, also used as printer interface), USB, EXT I/O (D-sub 37-pin, Analog output (D/A output voltage range: DC 0 V to 1.5 V ) |
| Functions | Contact check, Zero adjustment (within each range ±50% f.s.) *1, Zero-adjustment-free accuracy guaranteed, OVC function, Contact improvement function (max. applied voltage: 5V; max. applied current: 10 mA), Low-power mode (maximum open voltage: 20 mV), Auto-hold function, Comparator, Temperature measurement function, Temperature correction (TC) function, Temperature conversion (ΔT) function, Statistical calculation function, Delay function, Averaging function, Saving panels (saving of measurement conditions), Data memory function, Command monitor function (display of send/receive status of commands and queries),LabVIEW® Driver compatible*2
*1: Zero adjustment forcibly disabled for 100 MΩ or greater
*2: LabVIEW Driver is the trademark or registered trademark of National Instruments.　 |
| Power supply | 100 V to 240 V AC, 50 Hz/60 Hz, Rated power consumption: 40 VA max. |
| Normal power consumption (Reference value) | 16 W (Testting current 1 A, LCD on) |
| Dimensions and mass | RM3545A-1: 215 mm (8.46 in) W × 80 mm (3.15 in) H × 306.5 mm (12.07 in) D, 2.7 kg (95.2 oz)
RM3545A-2: 215 mm (8.46 in) W × 80 mm (3.15 in) H × 306.5 mm (12.07 in) D, 3.4 kg (119.9 oz) |
| Included accessories | Power cord ×1, Temperature sensor Z2001 ×1, Male EXT I/O connector ×1, EXT. I/O connector cover ×1, Spare fuse (F1.6AH 250 V)×1, Start up guide ×1, Operating Precautions ×1, Instruction manual ×1 |