Tektronix TPS2000 series digital storage oscilloscope

Tektronix TPS2000 series digital storage oscilloscope

Overview

The official guide document for the Tektronix TPS2000 series digital storage oscilloscope covers the 2-channel (TPS2012) and 4-channel (TPS2014/TPS2024) models, with a core positioning for portable isolation measurement scenarios (such as industrial equipment floating ground testing and outdoor on-site maintenance). The document structure is clear, gradually deepening from safety specifications to advanced functions, including 11 core chapters and 6 appendices, catering to both novice operation and professional measurement needs, while providing rich diagrams and step instructions to reduce operational complexity.

Core parameters and characteristics of the product

1. Model classification and key parameters

Model Number of Channels Bandwidth Sampling Rate Single Battery Endurance Dual Battery Endurance

TPS 2012 2 100MHz 1GS/s 5.5 hours 11 hours

TPS 2014 4 100MHz 1GS/s 4.5 hours 9 hours

TPS2024 4 200MHz 2GS/s 4.5 hours 9 hours

2. Core Features

Isolation channel: All channels and Ext Trig inputs are isolated from chassis, supporting independent floating ground measurement with an input impedance of 3M Ω, solving the common ground limitation of traditional oscilloscopes;

Portable power supply: compatible with TPSBAT lithium batteries (standard 1, optional 2), can be charged simultaneously when powered by mains electricity;

Full function analysis: supports peak detection (capturing ≥ 10ns glitches), video triggering (NTSC/PAL/SECAM), FFT spectrum analysis (2048 point transform);

Data interface: Front mounted Type 1 CompactFlash card slot, rear mounted RS-232 (9-pin) and Centronics (parallel printing) interfaces.

Safety operation standards

1. Electrical safety

Voltage limitation: The maximum voltage of the input channel is 300V RMS CAT II. When it exceeds 100kHz, it will attenuate by 20dB/tenfold to avoid arc damage;

Probe safety: The reference end of the P2220 probe is prohibited from floating above 30V RMS. For high voltage measurements, P5120 (600V RMS CAT II) or differential probes are required;

Grounding requirements: A 3-pin power cord must be used and disconnection of the grounding is prohibited; The equipment chassis needs to be reliably grounded to avoid electric shock caused by floating operations.

2. Operation taboos

Prohibit use in damp/explosive environments and avoid liquid spraying equipment;

Before connecting/disconnecting the probe, the signal source must be disconnected first, and live operation is prohibited;

Before disassembling the battery, it is necessary to turn off the device and avoid short circuiting the battery contacts or putting them into a fire.

Basic operation process

1. Probe operation

Key requirements for operation type steps

Manual compensation: 1. Connect the probe to CH1 and set it to 10X; 2. Connect it to PROBE COMP; 3. Autoset； 4. Adjust the compensation hole to a square wave that is flat and free of dents/bulges. Re compensate each time the channel is changed

Attenuation setting 1. Press CHx MENU → Probe → Voltage Attenuation; 2. Choose 1X/10X P2220 and set the bandwidth limit to 6MHz for 1X

Current probe scaling 1. Press CHx MENU → Probe → Current → Scale; 2. Choose a matching value (such as 10A/V) to ensure consistency with the output ratio of the current probe and avoid reading deviation

2. Self calibration and firmware updates

Self calibration:

Disconnect all probes and press 【 Utility 】 → 【 Do Self Cal 】;

Wait for 2 minutes, and upon completion, display 'Calibration PASSED';

Trigger condition: If the environmental temperature difference exceeds 5 ℃ or once a week, preheating for 20 minutes is required.

Firmware update:

Download the latest firmware from the official website and copy it to the root directory of CompactFlash;

Insert the oscilloscope and press 【 Utility 】 → 【 File Utilities 】 → 【 Update Firmware 】;

Wait for completion, do not power off or unplug the card.

Core Systems and Functions

1. Collection system (three modes)

The working principle of the collection mode is applicable to different scenarios

Sampling mode equidistant sampling, 1-point/interval conventional stable signal (sine wave/square wave)

Peak detection mode records the maximum/minimum values of each interval, including signals with spikes and narrow pulses (≥ 10ns)

After multiple acquisitions in average mode, the signal containing random noise (power ripple, sensor output) is averaged (4/16/64/128 times)

2. Trigger system (three types)

Trigger type key parameters applicable scenarios

Edge triggered slope (rising/falling), coupling (AC/DC/noise suppression), stable display of conventional signals (such as clock signals)

Video trigger standards (NTSC/PAL/SECAM), synchronous (field/line) composite video signals (such as medical equipment video output)

Pulse width triggering condition (=≠<>), width (33ns-10s), polarity capture abnormal pulse (such as communication link narrow pulse interference)

3. FFT spectrum analysis

Setting steps:

Center the time-domain signal (align the 0V line with the center of the screen) to ensure complete waveform;

Press Math Menu → Operation → FFT to select the source channel;