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Product Overview
The SDM4055A is a 5½ and SDM4065A is a 6½ digits digital multimeter, with outstanding measurement accuracy and touchable screen, is a product designed for high-precision, multifunctional, and automatic measurement needs.
Key Features:
Characteristics
Key Features
- Math Functions: The devices support various math functions including Max, Min, Average, Standard Deviation, dBm/dB, and Limits. These functions enable users to perform complex calculations directly on the device.
- Data Log Function: Users can set the interval time for data logging between 0.1 seconds and 3600 seconds. The devices can log up to 2 million points to memory and up to 360 million points to files, allowing for logging sessions of up to 100 hours.
- Extended Function: These devices offer an array of extended functions such as Statistics, Limits, dB/dBm, Relative Measurement, Bar meter, Histogram, Trend Chart, Dual Display, Probe Hold, and User-defined Sensor Measurement. These features enhance the versatility and usability of the devices in various applications.
- Digitize Function: The digitize function allows for a sample rate of up to 50 kSa/s, enabling the acquisition of a maximum of 2 million points in a single acquisition. The bandwidth is limited to 10 kHz, ensuring precise data capture within this range.
Application Fields
Main Features
Model and Key Specifications
| Model | SDM4055A | SDM4055A-SC | SDM4065A | SDM4065A-SC |
|---|---|---|---|---|
| Number of Digits | 5½ | 6½ | ||
| DCV Basic Accuracy | 150 ppm | 35 ppm | ||
| Max Reading Rate | 4,800 rdgs/s | 50,000 rdgs/s | ||
| Logging Memory | Up to 2 million readings | |||
| Support Scanner | No | Yes | No | Yes |
| DCV Range | 200 mV ~ 1000 V | |||
| ACV Range | 200 mV ~ 750 V, 20 Hz ~ 100 kHz | 200 mV ~ 750 V | ||
| DCI Range | 200 uA ~ 10 A | |||
| ACI Range | 20 mA ~ 10 A, 20 Hz ~ 10 kHz | 200 uA ~ 10 A | ||
| 2/4-Wire Resistance Range | 200 Ω ~ 100 MΩ | |||
| Continuity / Diode | Buzzer, 4 V max | |||
| Frequency / Period Range | 20 Hz ~ 1 MHz | 3 Hz ~ 1 MHz | ||
| Temperature | RTD, thermocouple | |||
| Capacitance Range | 2 nF ~ 10 mF | 2 nF ~ 100 mF | ||
| IO | USB Host, USB Device, LAN, GPIB (optional) | |||
| External Interface | Exit trigger, VMC output | |||
| Display Screen | 5-inch TFT touchable display screen | |||
| Download | Datasheet SDM4055A | Datasheet SDM4065A | ||
Design Features
SDM4055A Numerical Display

SDM4055A Numerical Display

Supports power meter probe kit for flatness correction using a power meter, facilitating convenient line loss correction


In CUSTOM mode, capable of outputting common IQ modulated signals such as QAM, PSK, ASK, FSK, etc., with a symbol rate up to 625 MHz.


Capable of outputting up to 65536 multi-tone.

ARB mode to build and replay waveform sequences

In ARB mode, the sampling rate can reach up to 1.25 GHz, and it can be used with the SigIQPro PC software to generate common communication protocol signals such as 5G NR, LTE, WLAN, etc.
LTE FDD TM1.1 20M ACPR
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