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Ensuring accurate measurements is crucial for safety and efficiency in electrical work. An electrical calibrator verifies the precision of your testing and measurement instruments, preventing potential errors and costly rework. Investing in a reliable calibrator safeguards your projects and professional reputation.
【High quality calibrator】LB78 functions cover most functions required for maintenance of PLC, DCS, ESD, field instrument, regulating valve and frequency changer. Some key chips such as DA, reference voltage and operational amplifier adopts stable...
【Special design】Rational key layout, all functions have independent corresponding keys, which are easily to be operated. Fast speed and zero delay for key response.
【Self-protection signal generator】Built-in one-time quick-break fuse can avoid instrument damages caused by misinserting electric supply with 110V or 220V.
【Long working time】Built-in Battery, low power dissipation and long stand-by time. It has long-term stability and high precision.
VERSATILE AND ACCURATE VOLT MA THERMOCOUPLE CALIBRATOR: Signal generator, simulator and volt / mA meter for calibrating, testing and repairing milliamp loops, thermocouples, PLC, temperature control and HVAC systems. Easily generate precise test signals...
NUMERIC KEYPAD for ease and flexibility in setting output signals configuring options. HOTKEY programming for each numeric key (long-press immediately outputs user-configured voltage, current or temperature signal). RAMP AND LADDER OUTPUT FUNCTIONS can be...
MEASURE VOLTAGE OUTPUT SIGNALS from process devices and sensors with two input ranges of 0-100mV (0.01mV resolution, 0.06% accuracy) and 0-20V (1mV resolution, 0.08% accuracy). MEASURE CURRENT TRANSMITTERS within a range of 0 to 24mA with 0.001mA...
GENERATE PRECISE TEST VOLTAGES, CURRENTS AND SIMIULATED THERMOCOUPLE TEMPERATURE SIGNALS for testing loops, transmitters, data loggers, meters or any devices that measure 4-20mA currents, sensor voltages, or temperatures. Generate voltages in two ranges...
Precision Current & Voltage Calibration - Sources 0-24 mA (-25% to +125% range) and up to 20 V DC, with exceptional accuracy of 0.01% ±1 digit—ensuring reliable calibration of process control devices.
Versatile Sourcing & Measuring - Measure DC current up to 50 mA (-25% to +230%) and up to 19.99 V, with fine resolution spanning 0.01 mA to 0.01 V for precise diagnostics.
User-Friendly & Durable Design - Pocket-sized double-molded housing with a large, backlit dot-matrix LCD display and standard banana jack I/O makes field use both comfortable and reliable.
Customizable Presets & Continuous Operation - Save up to five calibration presets for routine tasks. Power via six AA batteries or the included 100-240 V universal AC adapter for uninterrupted bench or field use.
Built in fast-acting one time fuse can prevent most of the instrument damage caused by incorrect insertion of above 110v city power.
AD, DA, reference voltage, operational amplifier and other important chips are all of high precision, high temperaturestability, to improve the temperature stability and long-term aging performance of instrument.
The sensitivity of the thermal resistance and the resistance output to the external exactiation current are reduced in the circuit structure.
Increased the output accurarcy. It is suitable for constant current and non-constant current of the external exactiation current, which enlarges the usable range of the instrument.
Last update on 2026-10-16 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Electrical Calibrators
Understanding Electrical Calibrator Types
Electrical calibrators are specialized tools designed to verify the accuracy of other electrical test equipment. They can be broadly categorized into:
Function Calibrators: These devices generate known electrical signals, such as voltage, current, resistance, and frequency. They are used to check if a meter or instrument is reading these values correctly.
Process Calibrators: Often more versatile, these can both source and measure multiple parameters relevant to industrial processes, including temperature and pressure alongside electrical signals.
Multi-function Calibrators: Combining the capabilities of both function and process calibrators, these offer the widest range of testing possibilities for various instruments.
Key Features to Consider
When selecting an electrical calibrator, several features are paramount:
Accuracy and Resolution: Look for calibrators with high accuracy specifications and sufficient resolution to match the precision requirements of the instruments you intend to test.
Parameter Range: Ensure the calibrator can source and measure the specific electrical parameters (e.g., AC/DC voltage, current, resistance, frequency, capacitance) and ranges that your equipment requires.
Portability and Durability: For field use, a rugged design, compact size, and long battery life are essential. Benchtop models may offer higher precision and more features.
User Interface: An intuitive display and straightforward controls will make the calibration process more efficient and less prone to user error.
Calibration Standards and Certifications
The importance of traceability cannot be overstated. When purchasing a calibrator, consider whether it comes with a certificate of calibration traceable to national or international standards (like NIST in the US). This certification ensures that the calibrator itself has been verified against known, reliable references, providing confidence in its accuracy.
Application-Specific Needs
The intended use of the calibrator should drive your decision. For basic troubleshooting and verification, a simpler function calibrator might suffice. However, for critical applications in manufacturing, research, or highly regulated industries, a high-accuracy, multi-function calibrator with comprehensive certification is often necessary.
Frequently Asked Questions
What is an electrical calibrator used for?
An electrical calibrator is used to verify the accuracy of other electrical measurement and test equipment. It generates precise electrical signals to check if instruments like multimeters or oscilloscopes are providing correct readings.
What is the difference between a function calibrator and a process calibrator?
A function calibrator primarily generates basic electrical signals like voltage and current. A process calibrator is typically more advanced, capable of sourcing and measuring a wider range of signals, often including non-electrical parameters like temperature and pressure relevant to industrial processes.
Why is traceability important for an electrical calibrator?
Traceability ensures that the calibrator's measurements are traceable to recognized national or international standards. This provides confidence that the calibrator itself is accurate and reliable, which is essential for maintaining the integrity of your own instrument calibrations.
Can I use an electrical calibrator to calibrate any type of electrical meter?
Generally, yes, provided the calibrator supports the specific parameters and ranges of the meter you need to test. Always check the specifications of both the calibrator and the meter to ensure compatibility.
How often should an electrical calibrator be recalibrated?
The frequency of recalibration depends on usage, environmental conditions, and manufacturer recommendations. However, a common practice is to recalibrate annually or after any event that might have compromised its accuracy.
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