Test & Measurement

Selecting the Right Form Factor: Benchtop vs. Portable Instruments

Your choice between benchtop and portable instruments depends on your primary working environment. Benchtop equipment, like our 24MHz dual-channel function generators and 30V precision DC lab power supplies, delivers high-resolution signals and stable power for design and repair labs. Portable devices, such as touchscreen digital multimeters and battery internal resistance testers, offer the mobility needed for field diagnostics and on-site maintenance.

• Benchtop Units: Best for continuous duty cycles, precise voltage regulation down to 0.01 V resolution, and multi-channel arbitrary waveform generation.
• Handheld/Portable Units: Look for rechargeable batteries, high display counts like 6000 counts True RMS, and high-contrast digital displays for low-light industrial environments.

Matching Instrument Safety Ratings to Your Working Voltages

Industrial electrical testing carries inherent risks, especially when dealing with stored energy or high-voltage lines. When selecting insulation resistance testers, verify the test voltage range matches your cables and earth systems. For safe electronics repair, always use dedicated safety tools like a 1000V capacitor discharge pen to safely bleed high-voltage components before physical contact.

• Low-Voltage Testing: Mini grabber clips and silicone-insulated test leads rated up to 600V are ideal for IC testing and circuit board diagnostics.
• High-Voltage Insulation: Choose megohmmeters with selectable test voltages from 250V up to 5000V and resistance ranges reaching into the teraohm scale.
• Power Monitoring: Inline voltage protectors should cover standard industrial ranges from 80V to 300V AC/DC to protect sensitive test setups from short-circuit damage.