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Used high precision sensors in China

PA300 Series High Precision Power Meter
- Manufacturer: 广州致远/zlg
Introduction: This series of electrical parameter testers has five models: PA310H and PA333H high voltage/high current wattmeters, PA310/PA333 low power/small current wattmeters, and PM100 inline digital wattmete...
Beijing, China
DM7276/DM7275 High Precision DC Voltmeter
- Manufacturer: 日置/HIOKI
Introduction: High-precision measurement comparable to that of standard sources, achieving superior temperature characteristics and long-term stability, and high-precision and high-stability measurement through f...
Beijing, China
NRQ6 Frequency Selective Power Sensor
- Manufacturer: 德国罗德与施瓦茨/R&S
Introduction: NRQ6 provides the accuracy of a high dynamic range power meter, and can quickly perform high-precision power measurements down to -130dBm. Milestone in power measurement NRQ6 provides the accuracy o...
Beijing, China
NRT2 Power Reflectometer and NRT-Zxx Directional Power Sensors
- Manufacturer: 德国罗德与施瓦茨/R&S
Introduction: Directional power sensors measure forward and reverse power under operating conditions. Forward and reverse power measurements are required when installing, maintaining, and monitoring transmitters,...
Beijing, China
NRX Absorption RF Power Meter Mainframe
- Manufacturer: 德国罗德与施瓦茨/R&S
Introduction: The NRX can be configured with up to four measurement channels and a wide range of power sensors, making it possible for a single power meter to support both absorption and through-type power sensor...
Beijing, China
PW3335 Power Meter
- Manufacturer: 日置/HIOKI
Introduction: High-precision measurement of standby power and operating power, with ±0.15% higher basic accuracy, 1mA range to 20A range, single-phase power meter, AC/DC high-precision measurement of standby powe...
Beijing, China
NRP-xxT(TN) Series Thermal Power Probe
- Manufacturer: 德国罗德与施瓦茨/R&S
Introduction: Thermal power sensors are particularly suitable for complex measurement tasks with strict accuracy requirements. In order to provide measurement accuracy, the hardware design of the NRPxxT (TN) ther...
Beijing, China
NRP-Zxx Series Power Probe
- Manufacturer: 德国罗德与施瓦茨/R&S
Introduction: NRP-Zxx power sensors operate as standalone measuring instruments and store their own characteristic data over frequency, level and temperature. They can be operated on an NRX base unit or connected...
Beijing, China
NRPxxTWG Thermal Waveguide Power Probe
- Manufacturer: 德国罗德与施瓦茨/R&S
Introduction: NRP power meter probes have been widely recognized for providing excellent accuracy and speed. The NRPxxTWG thermal power probes are particularly suitable for complex measurement tasks with strict a...
Beijing, China
PW3336 Power Meter
- Manufacturer: 日置/HIOKI
Introduction: Supports 2-channel input, DC, measurable single-phase 2-wire ~ three-phase 3-wire, for development and production of motors, inverters, power regulators, power supplies, etc., with basic accuracy of...
Beijing, China
PW3337 Power Meter
- Manufacturer: 日置/HIOKI
Introduction: Supports 3-channel input, DC, can measure single-phase 2-wire ~ three-phase 4-wire, using 2 synchronization + free PC application software can be used as a 6-channel power meter, used for the develo...
Beijing, China
6485 Picoammeter
- Manufacturer: 美国吉时利/Keithley
Introduction: Cost-effective low-current testing and solutions; 20fA resolution. The 5½-digit 6285 picoammeter is a cost-effective small-current test instrument, capable of measuring currents from 20fA to 20mA, w...
Beijing, China
GPM-8310 AC/DC Digital Power Meter
- Manufacturer: 固纬电子/GWINSTEK
Introduction: GPM-8310 is a single-phase (1P/2W) AC power meter for digital power measurement. The product test bandwidth reaches DC, 0.1 Hz~100 kHz, uses 16-bit A/D with a sampling rate of 300 kHz. GPM-8310, a d...
Beijing, China
GPM-8330/GPM-8320 Power Meter
- Manufacturer: 固纬电子/GWINSTEK
Introduction: GPM-8320, GPM-8330 are digital power meters designed for power measurement of three-phase AC power with a testing bandwidth up to DC 0.1Hz~100kHz, 16-bit A/D, sampling rate 300kHz, 5-inch TFT-LCD di...
Beijing, China
6482 Picoammeter/Voltage Source
- Manufacturer: 美国吉时利/Keithley
Introduction: Capable of measuring currents from 20 fA to 20 mA, with speeds up to 1000 readings per second. The 6482 dual-channel picoammeter/voltage source provides 2 independent channels for wide-range low-lev...
Beijing, China

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Overview

Electrical test instruments are essential tools used to test, measure, and diagnose electrical systems and components. These devices are crucial for ensuring the safety, efficiency, and reliability of electrical installations, whether in residential, commercial, or industrial settings. Common types include multimeters, oscilloscopes, and insulation testers.

FAQ

What should I look for when buying used electrical test instruments?

Check the calibration status, overall condition, and whether all necessary accessories are included. It’s also important to verify the instrument's accuracy and functionality.

How can I safely ship electrical test instruments?

Use proper packaging with adequate cushioning to protect the instruments from shocks and vibrations. It's advisable to use a shipping service experienced in handling delicate electronic equipment.

What is the maintenance procedure for electrical test instruments?

Regularly calibrate the instruments to ensure accuracy, clean them to remove dust and debris, and store them in a protective case when not in use. Follow the manufacturer’s guidelines for specific maintenance tasks.