Hioki RM3545 Resistance Meter
0.01 µΩ to 1.200 GΩ. RS-232C, RS-232C Printer, and USB Interfaces.
- 0.006% basic accuracy, 0.01 μΩ max. resolution, 1A max. measurable current
- Measure from 0.00 μΩ (testing current 1 A) to 1200 MΩ
- Multiplexer Unit Z3003 (option) provides 20-channels of 4-terminal measurements for a complete assessment of multi-point signals (RM3545-02 only)
- Low-power resistance measurement with an open voltage not exceeding 20 mV
- High-speed, comprehensive productivity support delivers decisions in as little as 2.2 ms from start to finish
- Replaces Hioki 3541
Super-high accuracy and multi-channel capabilities (20 channels with 4-terminal measurement, RM3545-02 only)
The RM3545 can perform resistance measurement with a 6.5-digit, 1,200,000-count display at a maximum resolution of 0.01 μΩ. It delivers more than enough capabilities to be used in applications requiring high-resolution resistance measurement, for example in testing inverter motor windings.
High-resistance materials such as conductive sheets and conductive rubber are often used in electronic components. The RM3545 can measure resistance values of up to 1,200 MΩ. It also delivers maximum accuracy of 0.006%, enabling researchers to test state-of-the-art current sensing resistors.
Auto-scanning and step scanning
When using the Multiplexer Unit Z3003 to perform scanning measurement, you can select either step scanning or auto scanning depending on the test conditions. Auto scanning is convenient when you require only an overall judgment result at the completion of scanning, while step scanning is convenient when you wish to generate judgments in real time using the instruments EXT I/O interface.
Model Comparison chart
|External I/O (comparator, BCD, BIN function)||Y||Y||Y|
|Multiplexer* (scanner function)||N/A||N/A||Y (Max. 20 channels)|
Basic specifications (Accuracy guaranteed for 1 year)
|Resistance range||10 mΩ (12.00000 mΩ display Max., 10 nΩ resolution) to 1000 MΩ range (1200.0 MΩ display Max., 100 kΩ resolution), 12 steps
[LP ON] 1000 mΩ (1200.00 mΩ display Max., 10 μΩ resolution) to 1000 Ω range (1200.00 Ω display Max., 10 mΩ resolution), 4 steps
Measurement accuracy: ±0.006 % rdg. ±0.001 % f.s.
|Testing current||1 A DC to 1 μA or less [LP ON] 1 mA to 5 μA DC|
|Open-terminal voltage||20 V DC (10 kΩ range or more), 5.5 V DC max. (1000 Ω range or less)
[LP ON] 20 mV DC max.
|Temperature measurement||-10.0 to 99.9°C, accuracy: ±0.50°C (Temperature Sensor Z2001 and RM3545 combined accuracy), -99.9 to 999.9°C (analog input)|
|Measurement speed||FAST (2.2ms) / MED (50Hz: 21ms, 60Hz: 18ms) / SLOW1 (102ms) / SLOW2 (202ms)|
|Functions||Temperature correction, temperature conversion, offset voltage compensation (OVC), comparator (ABS/ REF%), BIN, key-lock (OFF, menu lock, all lock), display digit count selection function (7- digit/ 6-digit/ 5-digit), automatic power supply frequency settings (AUTO/ 50Hz/ 60Hz), scaling, judgment sound setting, auto hold, averaging, statistical calculations, panel store/panel load, D/A output.|
|Multiplexer||[Only RM3545-02] Support unit: Z3003 (Installed up to 2 units)|
|Communication interfaces||Select from GPIB (RM3545-01 only), RS-232C, PRINTER (RS-232C), or USB . Remote function, communications monitor function, data output function, memory (50)|
Please refer to Data Sheet for complete specifications.
Includes: power cord, one L2101 Clip type lead, one Z2001 temperature sensor, one Male EXT I/O connector, Instruction manual, Application disc, USB cable (A-to-B type), and one Spare fuse.
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