2635A

Users Manual

Table 2-3. Thermocouple Ranges

Type

J

C***

b

S

Material

Iron

Tungsten (5% Rhenium)

Platinum (30% Rhodium)

Platinum

Positive Lead

(H)Color

ANSI* IEC**

White

Black

White

 

Gray

 

Black

Orang

 

e

Negative Lead

Material

Constantan

Tungsten (26% Rhenium)

Platinum (6% Rhodium)

Platinum (10% Rhodium)

Usable

Range (°C)

-200 to 760

0 to 2316

0 to 1820

-50 to 1768

R

Platinum

Black

Orang

e

Platinum (13% Rhodium)

-50 to 1768

N

NICROSIL

Orang

e

NISIL

-270 to 1300

T

Copper

Blue

Brown

Constantan

-270 to 400

E

Chromel

Purple

Violet

Constantan

-270 to 1000

K

Chromel

Yellow

Green

Alumel

-270 to 1372

*American National Standards Institute (ANSI) device negative lead (L) is always red.

**International Electrotechnical Commission (IEC) device negative lead (L) is always white.

***Not an ANSI designation but a Hoskins Engineering Company designation.

FUNC

SET FUNC

OFF

°F [°C]* Hz

Ω

VAC

V DC

Selecting the Temperature Mode. Press the FUNC key to access the SET FUNC (Set Function) menu. Press the up/down arrow keys until °C (Centigrade) or °F (Fahrenheit) is displayed, then press the ENTER key. (If the opposite temperature scale is desired, refer to Figure 2-2.)

ENTER

ENTER

Typical

Required

SET FUNC

J

K

E

T

N

R

S b

C Pt**

Selecting the Type of Thermocouple. Select the desired type of thermocouple from the menu, for example, T, then press ENTER. The "Pt" (Platinum) setting is used for RTDs only (See Figure 2-9).

*Depends on temperature scale.

**Only Pt can be selected for Channel 0.

op20f.eps

Figure 2-8. Configuring a Channel to Measure Temperature (Thermocouples)

2-14

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Fluke 2635A Thermocouple Ranges Type Material, Positive Lead Color, Ansi* Iec, Negative Lead Material, Usable Range C
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2635A specifications

The Fluke 2635A is a highly advanced multichannel data acquisition system designed for engineers and technicians requiring precision and versatility in their measurement tasks. This instrument excels in monitoring and capturing data from various sources, making it a valuable tool in laboratories, production environments, and field applications.

One of the standout features of the Fluke 2635A is its ability to support up to 20 measurement channels. Users can simultaneously monitor multiple signals, which is crucial for complex testing scenarios where numerous variables need to be tracked. The device is equipped with a 6.5-digit precision measurement capability that ensures high accuracy and resolution in readings. This level of precision is particularly beneficial in applications such as environmental monitoring, research and development, and industrial process control.

The unit incorporates a variety of measurement modes, including voltage, current, temperature, and resistance, making it exceptionally versatile. The Fluke 2635A not only handles standard signals but also integrates with various transducers, providing extensive compatibility for users engaged in diverse testing applications.

To enhance data management, the Fluke 2635A offers advanced data logging capabilities. Data can be stored internally or transferred to external devices for further analysis. The internal memory can accommodate extensive datasets, which can be crucial in long-term monitoring tasks. Integration with external software enables users to analyze and visualize data effectively, allowing for informed decision-making based on comprehensive results.

The user interface is designed for ease of use, featuring a large, bright LCD display that clearly presents measurements and status information. The device is also equipped with a simple navigation system, allowing users to switch between channels and measurement types without hassle.

In terms of construction, the Fluke 2635A is built to withstand rigorous environments. It features a robust design that ensures reliability and durability, making it suitable for both laboratory settings and field operations. Furthermore, the device supports a wide temperature range, thus enabling usage in diverse conditions.

Overall, the Fluke 2635A is a powerful and flexible instrument that provides precise measurements across multiple channels, supporting a wide range of applications. Its advanced technology, combined with user-friendly features, makes it an essential tool for professionals in various fields. The combination of accuracy, flexibility, and durability solidifies its standing as a trusted choice for data acquisition and monitoring tasks.
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