45

Users Manual

Table 3-13. Power-Up Configuration Set at Factory

Parameter

Function Setting

Range Mode

Reading Rate

Touch Hold Sensitivity Level

Reference Impedance (for dB)

High/Low Values for Compare (COMP) Mode

Minimum and Maximum values in MN MX Modifier

Relative Base

Relative Base in Secondary Display

Trigger Type

Configurations

DC volts

Autorange

Medium (30,000 counts @ 5 readings/second)

Level "2" (1 to 2 % of Range)

600ohms

Disabled Internal

•Range mode on primary display (manual or autorange).

•Measurement rate ("S" (slow) "M" (medium) or "F" (fast)).

•Dual display status (active or inactive).

•Any combination of selected function modifiers (MIN or MAX, HOLD, dB or dB POWER, REL, and COMP).

•Touch Hold sensitivity level (“1”, “2”, or “3”).

•dB reference impedance (see Table 3-8 for available values).

•Last recorded minimum and maximum values for MN MX modifier.

•Last recorded relative base.

•Relative base shown in secondary display (enabled or disabled).

•Last HI-LO settings in compare mode.

•Trigger type (see Table 5-3 for available trigger types).

•Echo (on or off)

To restore the power-up configuration to the factory settings and erase any user-defined configuration, press and hold down E, while turning the meter on. The meter beeps when the factory settings are restored.

Calibration

The CAL ENABLE button is located in the lower-right corner of the display. Press and Hold for three seconds to enable calibration. The meter allows for closed case calibration using reference sources. See the Fluke 45 Dual Display Multimeter Service Manual (P/N 856042) for calibration procedures.

3-20

Page 43 Page 45
Page 44
Image 44
Fluke 45 user manual Calibration, Power-Up Configuration Set at Factory Parameter, Configurations
Page 43 Page 45

45 specifications

The Fluke 45 is a versatile and high-precision Digital Multimeter that is designed for a wide range of applications in electrical testing, troubleshooting, and maintenance. Known for its reliability and advanced features, the Fluke 45 is an essential tool for engineers, technicians, and professionals who require accurate measurement capabilities.

One of the standout features of the Fluke 45 is its ability to measure both AC and DC voltage and current. With a maximum input voltage of 1000 volts and current ranges up to 10 amps, users can conduct a variety of electrical tests with confidence. The device is equipped with an intuitive dual display, allowing for simultaneous viewing of multiple measurements. This feature enhances usability during complex diagnostics.

The Fluke 45 also boasts an impressive resolution of 0.1 mV and a basic accuracy of 0.25%, which translates to highly reliable readings. The auto-ranging capability simplifies the measurement process, automatically selecting the appropriate range based on the input signal, thus saving time and reducing user error.

In addition to voltage and current measurements, the Fluke 45 features resistance measurement capabilities, with a range of up to 40 MΩ. This makes it an effective tool for testing circuits, identifying faults, and ensuring the integrity of electrical systems. The continuity test function, complete with a built-in beeper, assists in quickly diagnosing wiring issues.

Another remarkable characteristic of the Fluke 45 is its frequency measurement capabilities, which can measure frequencies up to 1 MHz. This is particularly useful in applications involving signal analysis and troubleshooting oscillators.

Moreover, the Fluke 45 is designed with user convenience in mind. It is lightweight and portable, making it easy to carry around, whether on a job site or in a workshop. The rugged construction, reinforced with high-quality materials, ensures it can withstand harsh conditions often encountered in the field.

To enhance functionality, the Fluke 45 features a data hold function that freezes the displayed measurement for easier reporting. Additionally, it can store data for later retrieval, making it convenient for users who need to compile test results over time.

In summary, the Fluke 45 Digital Multimeter is an advanced instrument that combines precision, versatility, and user-friendly design. Its wide measurement capabilities, high accuracy, and durable build make it an invaluable tool for professionals in diverse electrical and electronic applications. Whether for routine maintenance or complex troubleshooting, the Fluke 45 stands out as a reliable partner in achieving accurate and efficient results.
Top Page Image Contents