Siglent SDM3045X 4½ Digit Dual-Display Digital Multimeter
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Siglent SDM3045X 4½ Digit Dual-Display
Digital Multimeter
The SDM3045X is a 4½ digit digital (60000 count) multimeter incorporating a dual-display and is especially well suited for the needs of high-precision, multifunction and automatic measurement applications. It features a combination of basic measurement functions, multiple math functions, and display functions, etc.
With a 4.3 inch color TFT-LCD display screen, clear keyboard layout and operation hints make it faster and easier to use. The SDM3045X supports multiple interfaces including USB Device, USB Host and LAN enabling a wide range of users needs.
Main Features:
- 4.3 inch color TFT-LCD display screen with 480*272 high resolution
- Real 4½ digit (60000 count) readings resolution
- Up to 150rdgs/S measurement speed
- True-RMS AC Voltage and AC Current measurements
- 1 Gb Nand Flash size, mass storage configuration files and data files
- Built-in cold terminal compensation for thermocouples
- Easy PC connectivity with Siglent's EasySDM software
- Supports standard SCPI and control software on PC, compatible with commands of main stream multimeters
- Supports dual-display function
- Built-in help system, convenient to acquire information
- Support USB Device, USB Host and LAN interfaces
- Configuration and measured data can be imported or exported via VXI 11, USBTMC and USB flash drive, which is convenient for users to modify, view and backup information.
Includes
- USB Cable
- Two Test Leads, Two Alligator Clips
- Quick Start Guide
- Warranty Registration Card
- CD (with EasySDM software)
Special Features
| Histogram | Trend Chart |
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| Bar Chart | Statistics |
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| Dual Display | Hold Measurement |
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| dBm Hold Measurement | Interface |
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Specifications
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DC Characteristic |
Accuracy± ( % of Reading + count)[1] | |||
| Function | Range[2] | Test current or Load voltage | Resolution | Accuracy (one year; 23? ±5? ) |
| DC Voltage | 600 mV 6 V 60 V 600 V 1000 V[4] |
0.01 mV 0.0001 V 0.001 V 0.01 V 0.1 V |
0.01+ 5 0.01+ 6 0.02+ 4 0.02+ 6 0.02+ 6 |
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| DC Current | 600 μA 6 mA 60 mA 600 mA 6 A 10 A[5] |
< 33 mV < 330 mV < 0.05 V < 0.5 V < 0.033 V < 0.6 V |
0.01 μA 0.0001 μA 0.001 mA 0.01 mA 0.0001 A 0.001 A |
0.05+ 3 0.05+ 3 0.05+ 3 0.12+ 6 0.20+ 5 0.25+ 4 |
| Resistance[3] | 600 Ω 6 KΩ 60 KΩ 600 KΩ 6 MΩ 60 MΩ 100 MΩ |
1 mA 100 μA 10 μA 1 μA 200 nA 200 nA || 10 MΩ 200 nA || 10 MΩ |
0.01 Ω 0.0001 KΩ 0.001 KΩ 0.01 KΩ 0.0001 MΩ 0.001 MΩ 0.01 MΩ |
0.04+ 5 0.02+ 5 0.02+ 5 0.04+ 5 0.12+ 3 0.85+ 3 1.75+ 3 |
| Diode Test[6] | 0~2 V 0~4 V |
1 mA 1 mA |
0.0001 V 0.0001 V |
0.05+ 3 0.35+ 3 |
| Continuity Test | 2000 Ω | 1 mA | 0.1 Ω | 0.05+ 3 |
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Remarks: [1] Specifications are for 0.5 Hour warm-up, “Slow” measurement rate and calibration temperature 18? ~ 28?. [2] 10% over range on all ranges except for DCV 1000 V, ACV 750 V, DCI 10 A and ACI 10 A. [3] Specifications are for 4-wire measure or 2-wire measure under “REF” operation. ±0.2 Ω of extra errors will be generated if perform 2-wire measure without “REF” operation. [4] Plus 0.02 mV of error per 1 V after the first ±500 VDC. [5] 30 seconds OFF after 30 seconds ON is recommend foe the continuous current that higher than DC 7 A or AC RMS 7 A. [6] Accuracy specifications are only for voltage measuring at input terminal. The typical value of current under measure is 1 mA. Voltage drop at diode junction may vary with current supply. Adjustable voltage range : 0~ 4 V. |
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AC Characteristic |
Accuracy± ( % of Reading + count)1] | |||
| Function | Range[2] | Frequency Range | Resolution | Accuracy (one year; 23? ±5? ) |
| True-RMS AC Voltage [3] | 600 mV | 20 Hz – 45 Hz 45 Hz – 100 Hz 100 Hz – 20 KHz 20 KHz – 50 KHz 50 KHz –100 KHz |
0.01 mV |
2.0 + 20 0.6 + 10 0.2 + 10 1.0 + 10 3.0 + 10 |
| 6 V | 20 Hz – 45 Hz 45 Hz – 100 Hz 100 Hz – 20 KHz 20 KHz – 50 KHz 50 KHz –100 KHz |
0.0001 V 0.0001 V 0.0001 V 0.0001 V 0.0001 V |
2.0 + 20 0.6 + 10 0.2 + 10 1.0 + 10 3.0 + 10 |
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| 600 V | 20 Hz – 45 Hz 45 Hz – 100 Hz 100 Hz – 20 KHz 20 KHz – 50 KHz 50 KHz –100 KHz |
0.01 V 0.01 V 0.01 V 0.01 V 0.01 V |
2.0 + 20 0.6 + 10 0.2 + 10 1.0 + 10 3.0 + 10 |
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| 750 V | 20 Hz – 45 Hz 45 Hz – 100 Hz[4] 100 Hz – 20 KHz 20 KHz – 50 KHz 50 KHz –100 KHz |
0.01 V 0.01 V 0.01 V 0.01 V 0.01 V |
2.0 + 20 0.6 + 10 0.2 + 10 1.0 + 10 3.0 + 10 |
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| 60 mA | 20 Hz – 45 Hz 45 Hz – 2 KHz 2 KHz – 10 KHz |
0.001 mA 0.001 mA 0.001 mA |
2.0 + 20 0.5 + 20 2.5 + 30 |
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| 600 mA | 20 Hz – 45 Hz 45 Hz – 2 KHz 2 KHz – 10 KHz |
0.01 mA 0.01 mA 0.01 mA |
2.0 + 20 0.5 + 20 2.5 + 30 |
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| 6 A | 20 Hz – 45 Hz 45 Hz – 2 KHz 2 KHz – 10 KHz |
0.0001 A 0.0001 A 0.0001 A |
2.0 + 20 0.5 + 20 2.5 + 30 |
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| 10 A[6] | 20 Hz – 45 Hz 45 Hz – 2 KHz 2 KHz – 10 KHz |
0.001 A 0.001 A 0.001 A |
2.0 + 15 0.5 + 15 2.5 + 25 |
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Additional wave crest factor error ( not Sine ) [7] |
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| Wave crest coefficient | Error (% Range) | |||
| 1-2 | 0.05 | |||
| 2-3 | 0.3 | |||
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Remarks: [1] Specifications are for 0.5 Hour warm-up, “Slow” measurement rate and calibration temperature 18? ~ 28?. [2] 10% over range on all ranges except for DCV 1000 V, ACV 750 V, DCI 10 A and ACI 10 A. [3] Specifications are for amplitude of sine wave input > 5% of range. For inputs from 1% to 5% of range and <50 kHz, add 0.1% of range extra error. For 50 kHz to 100 kHz, add 0.1% of range extra error. [4] Plus 0.025 V of error per 1 V after the first ±400 VAC. [5] Specifications are for sine wave input > 5% of range. 0.1% errors will be added when the range of input sine wave is 1% to 5%. [6] 30 seconds OFF after 30 seconds ON is recommend for the continuous current that higher than DC 7 A or AC RMS 7 A. [7] For inputs Frequency Range < 100 Hz |
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Accuracy± (% of Reading + count)[1] | |||
| Function | Range | Frequency Range | Resolution | Accuracy (one year; 23? ±5? ) |
| Frequency / Period | 600 mV to 750 V[2] | 20 Hz – 2 KHz 2 KHz – 20 KHz 20 KHz – 200 KHz 200 KHz –500 KHz |
0.01+3 0.01+2 0.01+2 0.01+2 |
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Remarks: [1] Specifications are for 0.5 Hour warm-up. [2]Except for special marks, the AC input voltage is 5% to 110% of range when <100 kHz and 10% to 110% of range when >100 kHz. 750 V range is limited to 750 Vrms.The accuracy is 10 times % of Reading when the measurement range of AC voltage is in 600 mV range. |
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Capacitance Characteristic |
Accuracy± (% of Reading + count)[1] | |||
| Function | Range[2] | Max Testing Current | Resolution | Accuracy (one year; 23ºC ±5ºC) |
| Capacitance | 2 nF 20 nF 200 nF 2 μF 20 μF 200 μF 10000 μF |
10 μA 10 μA 100 μA 100 μA 1 mA 1 mA 1 mA |
0.001 nF 0.01 nF 0.1 nF 0.001 μF 0.01 μF 0.1 μF 1 μF |
3+10 1+10 1+9 1+10 1+10 1+9 2+50 |
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Remarks: [1] Specifications are for 0.5 Hour warm-up and “REF” operation. Using of non-film capacitor may generate additional errors. [2] Specifications are for from 1% to 110% on 2 nF range and ranges from 10% to 110% on other ranges. |
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Temperature Characteristic |
Accuracy± (% of Reading)[1] | |||
| Function | Probe Type / Probe Model | Working Temperature Range | Accuracy (one year; 23ºC ±5ºC ) | Temperature coefficient 0? ~ 18ºC 28? ~ 5 0ºC |
| Temperature |
RTD[2] / α=0.00385 TC[3] / J |
-200ºC ~ 660ºC 0ºC ~ 1820ºC |
0.16ºC 0.76ºC |
0.09ºC 0.14ºC |
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Remarks: [1] Specifications are for 0.5 Hour warm-up, not include probe error. [2] Specifications are for 4-wire measure or 2-wire measure under “REF” operation. [3] Built-in cold terminal compensation for thermocouple, accuracy is ±2? . |
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Measuring Method and other Characteristics |
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| DC Voltage | ||||
| Input Resistance | 600 mV 10 MΩ or 10 GΩ selectable 6 V,60 V, 600 V and 1000 V Range 10 MΩ ± 2% |
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| Input Bias Curren | <90 pA, 25°C | |||
| Input Protection | 1000 V on all ranges | |||
| CMRR | 120 dB (For the 1 KΩ unbalanced resistance in LO lead, max ±500 VDC) | |||
| NMRR | 60 dB at “slow” measurement rate | |||
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Resistance |
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| Testing Method | 4-wire resistance or 2-wire resistance selectable | |||
| Input Protection | 1000 V on all ranges | |||
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DC Current |
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| Shunt Resistor | 600 μA sampling voltage < 33 mV 6 mA sampling voltage < 0.33 V 1Ω for 60 mA, 600 mA 1 Ω 0.01 Ω for 6 A, 10 A |
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| Input Protection | Rear panel : accessible 10 A,250 V fast-melt fuse Internal :12 A,250 V slow-melt fuse |
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Continuity/Diode Test |
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| Measurement Method | 1 mA ±5% constant-current source or open-circuit voltage | |||
| Beeper | yes | |||
| Continuity Threshold | Adjustable | |||
| Input Protection | 1000 V | |||
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True-RMS AC Voltage |
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| Measurement Method | AC Coupled true RMS measure – up to 1000 V DC bias are permitted on every range. | |||
| Wave Crest Factor | ≤3 at full scale | |||
| Input Impedance | 1 MΩ ± 2% in parallel with <100 pF on all ranges | |||
| AC Filter Bandwidth | 20 Hz ~ 100 KHz | |||
| CMRR | 60 dB (For the 1 KΩ imbalance resistance among Lo lead and <60 Hz, Max ±500 VDC) | |||
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True-RMS AC Current |
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| Measurement Method | DC Coupled to the fuse and shunt; AC Coupled the True-RMS measurement (measures the AC components only) | |||
| Wave Crest Factor | ≤3 at full scale | |||
| Max Input | <10 A (include DC component) | |||
| Shunt Resistor | 1 Ω for 60 mA, 600 mA 1 Ω; 0.01 Ω for 6 A, 10 A | |||
| Input Protection | Rear panel : accessible 10 A,250 V fast-melt fuse Internal :12 A,250 V slow-melt fuse |
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Frequency/Period |
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| Measurement Method | Reciprocal-counting technique, AC Coupled input, AC voltage or AC current measurement function | |||
| Measure Attentions | Error are leaded into all frequency counters when measuring low voltage or low frequency signal. | |||
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Capacitance Measuring |
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| Measurement Method | Measure the rate of change of voltage generated during the current flowing the capacitance | |||
| Connection Type | 2-wire | |||
| Input Protection | 1000 V on all ranges | |||
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Temperature Measuring |
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| Measurement Method | Support for TC and RTD types of sensor | |||
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Trigger and Memory |
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| Samples/Trigger | 1 ~ 10000 | |||
| Trigger Delay | 6 ms ~ 10000 ms optional | |||
| External Trigger Input | Input Level Trigger Condition Input Impedance Min Pulse |
TTL compatible (High level when left input terminal is hanging in the air) Rising and Falling selectable ≥20 KΩ//400 pF, DC-coupled 500 us |
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| VMC | Level Output Polarity Output Impedance |
TTL compatible Straight and negative optional 200 Ω, typical |
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| Volatile Memory | 10 K reading of history records | |||
| Nonvolatile Memory | 1 Gb Nand Flash, Mass storage configuration files and data files, Support U-disk external storage | |||
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Math Functions |
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| Min/Max/Average, dBm, dB, Pass/Fail, Relative, Standard deviation, Hold, histogram, Trend chart, Bar chart | ||||
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General Specifications |
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Power Supply |
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| AC 100 V ~ 120 V | 45 Hz ~ 66 Hz | |||
| AC 200 V ~ 240 V | 45 Hz ~ 66 Hz | |||
| Consumption | 20VA max | |||
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Mechanism |
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| Dimension | 293.75 mm×260.27 mm×107.21 mm | |||
| Weight | 3.76 Kg | |||
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Other Characteristics |
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| Display Screen | 4.3” TFT-LCD with resolution 480*272 | |||
| Operation Environment | Full accuracy from 0? to 50? , 80% RH and 40? , non condensing Storage Temperature: -20? -70ºC Shock and Vibration: conforming to MIL-T-28800E, , 5 level (only foe sine) Height above sea level: up to 3000 meters |
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| Electromagnetic compatibility | Conforming to EMC (2004/108/EC) and EN 61326-1:2013 | |||
| Safety | Conforming to EN61010-1:2010 and low voltage instructions (2006/95/EC) | |||
| Remote Interface | 10/100 Mbit LAN, USB2.0 Full Speed Device and Host | |||
| Programmer Language | Standard SCPI, compatible with commands of main stream multimeters | |||
| Warm Up Time | 30 minutes | |||
| Standard Accessories | US Standard 110V power cord Two Test Leads, Two Alligator Clips USB Cable Warranty Registration Card CD (with EasySDM software) |
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About Siglent
Siglent Technologies is an international manufacturer of cutting-edge, high-performance electronic test and measurement equipment. Their offerings include waveform generators, vector network & spectrum analyzers, oscilloscopes, and other testbench essentials.
As a global leader in engineering and manufacturing, Siglent leverages its expertise in research and development to design products with groundbreaking technological innovations and rigorous quality control standards. Siglent holds ISO 9001:2015 and ISO 14001:2015 certifications, reflecting a dedication to both environmental responsibility and product quality.
Along with an unwavering commitment to quality, the company provides exceptional customer service and offers a 3 year warranty on most products, a plethora of documentation, and US-based customer support with quick turnaround times.
Visit our Siglent manufacturer page to learn more about Siglent or browse their selection of products.