SB4-J254

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The Danaher SB4-J254, part of the Timers and Controllers series, is a mechanical predetermining counter with five figures displaying white on a black background. It operates at a maximum count speed of 500 counts per minute and features manual lever reset. The counter weighs approximately 227 grams.

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Product Description:

The Danaher SB4-J254, from the Timers and Controllers family, is a mechanical predetermining counter with five digits that are white on a black backdrop. It functions at a maximum counting speed of 500 counts per minute and has a manual lever reset. The counter has an estimated weight of 227 grammes. The Danaher is a 5-digit red LED display timer and controller within the Timers and Controllers family. It operates on either 115/230 VAC or 10-26 VDC power and may count in modes such as Add/Subtract and Quadrature.

The weight is 1.4 pounds. The Veeder-Root SB4-J254 is an industrial rate meter and tachometer of the Dynapar MAXjr Tach series. It aims to assess speed and rate with precision and cost-effectiveness across diverse scenarios. This device operates on either 115 or 230 VAC, making it versatile and suitable for various installation environments. The compact dimensions of its 1/8 DIN container (48x96mm) provide easy integration into standard control panels. This type has a large, luminous 0.56" red LED display capable of presenting all five numbers, facilitating easy visibility and monitoring at a glance.

The SB4-J254 is highly programmable, with a simple calibration factor and an adjustable decimal point. This enables users to display speed in customized technical units such as feet per minute or gallons per minute. It can measure time intervals with an accuracy of less than 0.01%, facilitating the monitoring of rates and speeds. The MAXjr Tach 1 has high and low alarm setpoints, solid-state outputs, and a sealed NEMA 4 (IP65) front panel, enhancing its durability in challenging environments. A notable feature is input adaptability, allowing compatibility with many sensor types, including NPN, PNP, switch/contact closure, incremental encoder (quadrature), and magnetic sensors.

Count Speed
500 cpm max
Dimensions
2.82 in L x 2.44 in W x 1.91 in H (71.6 x 62 x 48.5 mm)
Display
White figures on black background
Drive Shaft Diameter
0.250 in (6.35 mm)
Drive Shaft Rotation
Clockwise to count up
Figure Size
0.156 in (4 mm) high x 0.094 in (2.4 mm) wide
Mounting Type
Base, panel, or back-of-panel
Number Of Figures
5
Operating Voltage
None (mechanical drive)
Preset Range
00000 to 99999
Preset Retention
Yes (memory after reset)
Reset Method
Manual lever
Type
Mechanical Predetermining Counter
Weight
Approx. 8 oz. (227 g)

Frequently Asked Questions about SB4-J254:

Q: What type of device is the SB4-J254?

A: The SB4-J254 is a mechanical predetermining counter, used to count and signal when a preset value is reached.

Q: How many figures are displayed, and what is their size?

A: The counter displays 5 figures, each with a size of 0.156 in (4 mm) high x 0.094 in (2.4 mm) wide for clear readability.

Q: What is the display format of the SB4-J254?

A: It features white figures on a black background, providing high contrast for easy viewing.

Q: What preset range does this counter support?

A: The preset range is 00000 to 99999, allowing for a wide variety of counting applications.

Q: For what types of applications is this counter typically used?

A: Mechanical predetermining counters like the SB4-J254 are commonly used in manufacturing, packaging, and process control where reliable, preset-based counting is required.


Internal Product Review

  • ‘‘The SB4-J254 mechanical predetermining counter has a driving shaft that is 0.250 inches in diameter and a way to reset it by hand. This is a Danaher product from the Timers and Controllers family. It has a preset range of 00000 to 99999 and is small, measuring 2.82 inches by 2.44 inches by 1.91 inches.’’

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