Introduction Required Equipment, Instrument Type

Performance Testing and Calibration	4
Introduction

4-1. Introduction

This section of the Service Manual provides performance tests that can be used at any time to verify that Hydra (2620A, 2625A, or 2635A) operation is within published specifications. A complete calibration procedure is also included. The performance test and, if necessary, the calibration procedure can be performed periodically as well as after service or repair.

4-2. Required Equipment

Equipment required for Performance Testing and Calibration is listed in Table 4-1.

Instrument

Type

Multifunction Calibrator

Decade

Resistance

Source

Mercury Thermometer

Thermocouple Probe

Room

Temperature

Oil/Water Bath

Table 4-1. Recommended Test Equipment

Minimum Specifications

DC Voltage:

Range: 90 mV to 300V dc.

Accuracy: 0.005%

AC Voltage:
Frequency	Voltage	Accuracy
1 kHz	29 mV to 300V	0.05%
100 kHz	15 mV to 300V	1.25%
Frequency:
10 kHz	1V rms	.0125%

		Accuracy
290Ω or 190Ω		0.003%
2.9 kΩ1.9 kΩ		0.003%
29 kΩ19 kΩ		0.003%
290 kΩ190 kΩ		0.003%
2.9 MΩ1.9 MΩ		0.0005%

0.02degrees Celsius resolution

Type K

Thermos bottle and cap

Model

Fluke 5700A

Princo ASTM-56C

Fluke P-20K

Multimeter

Signal Generator

Measures +5V dc.

Sinewave, 0.5 to 1V rms 10 Hz to 5 kHz

Fluke 77

Fluke PM5136

Alternate Equipment List

(Minimum specifications are the same as in the Standard Equipment List)

Instrument Type

DMM Calibrator

Function/Signal Generator

Decade Resistance Source

Recommended Model Fluke 5500A

Fluke PM5193 or Fluke PM5136 Gen Rad 1433H

4-3

2635A, 2625A specifications

The Fluke 2625A is a sophisticated data logger designed for a wide range of industrial and laboratory applications. This versatile instrument excels in capturing and monitoring temperature and voltage measurements with precision and reliability. One of its standout features is its ability to record data from various sensors, making it ideal for environments where comprehensive data acquisition is critical.

Equipped with a large LCD display, the Fluke 2625A provides clear and user-friendly access to real-time measurement data. Its graphical interface allows users to visualize trends and monitor readings easily, which significantly enhances usability. The device supports a variety of input types and can connect to thermocouples, RTDs, and other sensors, offering great flexibility for various measurement tasks.

The Fluke 2625A employs advanced measurement technologies that ensure accuracy in data logging. With a high sampling rate, it captures fast-changing signals while maintaining data integrity. The device features a built-in memory that allows for extensive logging, accommodating long-term monitoring tasks without requiring constant oversight. Users can set it to log data at specified intervals, offering customizable solutions for different monitoring needs.

Another significant characteristic of the Fluke 2625A is its robust communication capabilities. The device supports USB and RS-232 interfaces for easy connectivity with computers and other devices, making data transfer and analysis seamless. This feature is especially beneficial for users who need to compile or analyze large sets of data quickly.

Furthermore, the Fluke 2625A is designed with durability in mind. Its rugged construction makes it suitable for challenging environments, including those with high levels of vibration, dust, or moisture. This reliability ensures that the device can withstand the rigors of fieldwork while still delivering accurate measurements.

In summary, the Fluke 2625A is a powerful data logger that combines versatility, accuracy, and reliability. Its user-friendly interface, advanced measurement technologies, and robust design make it an essential tool for professionals in various industries, from manufacturing and HVAC to research and development. Whether monitoring temperature changes in a laboratory or assessing voltage levels in an industrial setting, the Fluke 2625A stands out as a trusted solution for effective data logging and analysis.

Fluke 2625A, 2635A Introduction Required Equipment, Instrument Type, Recommended Model

Models: 2635A 2625A