Quality and consistency are at the core of our testing approach. Each project undergoes careful requirement evaluation, followed by a structured validation process to ensure stable and repeatable test performance. By partnering with CTS, manufacturers gain a reliable testing framework that supports smooth production scaling while maintaining strict quality control.
HCT
Characteristics
• 2 Channels for High Current Test
• Threshold Adjustable
• LED Digital Tube Display
• Over-Limit Alarm
Instruction
HCT is used for high current test. It has two channels. When the connection time exceeds the threshold, HCT will cut off the current.
DDS4701
Characteristics
• Input: 8 Channels of PWM Signal
• Output: 8 Channels of PWM Signal
• Frequency: 0-100KHz
• Input & Output Voltage: 1.8V
Instruction
DDS4701 is a PWM signal generator, it can be used for PWM signal test as well. DDS4701 has equipped the ARM controller, SCPI command is supported.
PTM4804
Characteristics
• 4 Channels to Collect Bridge Voltage
• 4 Serial Ports with 1 USB Connection
• Sampling Rate and Collecting Voltage Adjustable
Instruction
PTM4804 is used to collect bridge voltage with 4 channels. It has 4 serial ports with only 1 USB connection. Collecting 4 channels’ bridge voltage at the same time. The sampling rate is adjustable, up to 400Hz and the range of collecting voltage is up to 2500mV.
LRM1601
Characteristics
• 16 Channels for Low Resistance Measurement
• LCD Display
Instruction
LRM1601 is used for resistance test. It can be controlled by PC interface and measurement set. LRM1601 has equipped the ARM controller, SCPI command is supported.
UTG4705
Characteristics
• Class D & Class AB Speaker
• Analog Audio Test
• Diff Analog Audio Test
• PDM Test
• HID Communication
Instruction
UTG 4705 is used for analog and digital audio test. It can be driven by USB device. UTG 4705 has equipped the ARM controller, SCPI command is supported.
UTG4715
Characteristics
• Class D & Class AB Speaker
• Analog Audio Test
• Diff Analog Audio Test
• PDM Test
• HID & UART Communication
Instruction
UTG 4715 is used for analog and digital audio test. It supports 2 kinds of USB communication: HID and UART. UTG 4715 has equipped the ARM controller, SCPI command is supported.
UTG4725
Characteristics
• Class D & Class AB Speaker
• Analog Audio Test
• Direct Analog Test
• PDM Test
• UART Communication
Instruction
UTG 4725 is used for MIC and PDM audio test. It can be driven by USB serial port. UTG 4725 can support the analysis such as: voltage amplitude, fundamental frequency, relativeSNR , relativeTHDN , etc.
UTG4735
Characteristics
• Analog Audio Test
• Direct Analog Test
• I2S Audio Test with 1.8V&3.3V Level Shift
• UART Communication
Instruction
UTG 4735 is used for MIC and I2S audio test. It can be driven by USB serial port. UTG 4735 has equipped the ARM controller, SCPI command is supported.
UTG_PA50W
Characteristics
• 2 Channels of ClassD Audio Driver
• Max 50W each Channel
• Mute Control Port
Instruction
UTG_PA50W is a kind of audio power amplifier. It has 2 channel ClassD audio drive capability and can drive 2 channel speakers up to 50W.
APX4701
Characteristics
• 1 Channel Generates I2S Clock
• 1 Channel Turns I2S Signal to Analog Signal
• 2 Channels of Analog Signal to be Analyzed
• 1 Channel of PDM Signal to be Analyzed
Instruction
APX4701 is used for analyzing the I2S signal. It can analyze the I2S and PDM signals in the form of VPP and frequency. Generally, APX4701 is used to test I2S MIC. It has equipped the ARM controller, SCPI command is supported.
APX4702
Characteristics
• Turn Two Channels of PDM Signal to Two Channels of Analog Signal
Instruction
APX4702 is used for turning PDM signal to Analog signal. It can separate two parallel PDM signals into two independent Analog signals. APX4702 has equipped the ARM controller, SCPI command is supported.
LAS4901
Characteristics
• Number of Channels is Customizable
Instruction
LAS4901 is used to test LED lights in a production environment . It can support the RGB, HUE, Saturation, Intensity, CIE1931 xy CIE1931 u’v with a variety of color output format.
TME4801
Characteristics
• 8CH K Thermocouple Temperature Measurement
• Accuracy: 0.5
• Measuring Range: 65 ~ 145
Instruction
TME4801 is used for temperature test. It can be driven by USB device. TME4801 has equipped the ARM controller, SCPI command is supported.
RCT
Characteristics
• For High Current and Resistance Test
• 4 Wire Resistance Measurement
• LCD Display
• Temperature Test
• Threshold Adjustable
Instruction
RCT is used for high current and resistance test. It can display the temperature in real time. After test, RCT will display and record the resistance varying ratio.



