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  3. JOHNSON CONTROLS A421

JOHNSON CONTROLS A421 Temperature Controller Sensor Penn

A421 Johnson Controls Temperature Controller With Sensor Penn

( Brand: Johnson Controls ), ( Model: A421 ), ( Part Type: Controller Sensor ), ( Programmability: Programmable )

Review JOHNSON CONTROLS Temperature Controller Sensor Penn

The Johnson Penn A421 Temperature Controller Sensor is a versatile and reliable device designed to regulate and monitor temperature within various applications. This sensor is equipped with a PID algorithm, providing precise temperature control to ensure optimal performance and efficiency.

The Johnson Penn A421 features a high-precision 10-bit analog output, delivering accurate temperature readings with a resolution of 0.025 degrees Celsius. This sensor is also capable of measuring temperatures between -55 to 250 degrees Celsius, making it suitable for a wide range of applications, from industrial processes to laboratory experiments.

The A421 is designed with a robust stainless steel housing, ensuring durability and resistance to harsh environments. It is also equipped with a K-type thermocouple, which offers excellent temperature sensitivity and stability. The sensor is easy to install, with a simple two-wire connection, and it can be easily integrated with various control systems.

The Johnson Penn A421 Temperature Controller Sensor is also energy-efficient, consuming only a minimal amount of power. It is designed to provide long-term reliability, with a lifespan of over 10 years. The sensor is also equipped with a self-diagnostic feature, which helps in early detection of any potential issues, ensuring continuous operation and reducing downtime.

In summary, the Johnson Penn A421 Temperature Controller Sensor is a high-precision, durable, and reliable device that provides precise temperature control in various applications. Its robust design, high temperature range, and self-diagnostic feature make it an ideal choice for industrial and laboratory applications, ensuring optimal performance and efficiency.

Pros of buying Johnson Penn A421 Temperature Controller Sensor:

1. Accuracy: The Johnson Penn A421 is known for its high accuracy, ensuring that the temperature is maintained within a close tolerance range.

2. Durability: Made from high-quality materials, the A421 is built to last, providing long-term reliability.

3. Wide Operating Range: The sensor can operate in a wide temperature range, making it suitable for various applications.

4. Easy to Install: The A421 is straightforward to install, saving you time and effort.

5. Cost-Effective: Despite its high performance, the A421 is reasonably priced, making it a cost-effective option for temperature control.

Cons of buying Johnson Penn A421 Temperature Controller Sensor:

1. Limited Availability: Due to its popularity and high demand, the A421 may have limited availability in some regions, making it difficult to find.

2. Sensitivity to Overshooting: The sensor can be prone to overshooting, causing temperature fluctuations that may affect your application's performance.

3. Need for Calibration: The A421 may require periodic calibration to maintain its accuracy, which may add to its maintenance costs.

Conclusion:

The Johnson Penn A421 Temperature Controller Sensor is a reliable and accurate option for temperature control applications. Its durability, wide operating range, and cost-effectiveness make it an attractive choice. However, its potential for overshooting and the need for calibration should be considered before making a purchase. If you can manage these drawbacks, the A421 could be an excellent investment for your temperature control needs.

Recommendation:

If you're looking for a high-performance temperature controller sensor, the Johnson Penn A421 is worth considering. Its pros outweigh its cons, making it a suitable choice for various temperature control applications. Just ensure that you're prepared to manage the sensor's sensitivity to overshooting and the need for occasional calibration.

Details:

15 single stage digital temperature control 120 240vac PDT: control voltage : vac enclosure Norma-1min temp f: 40 Max 212 options: comes with sensor lead wire length : 6-1 2 feet application. Purchased originally over below is manufacturers. Hi, up for selling is very lightly used, digital temperature controller.

If you are into home brewing, there is nothing better than this product.

specifications thermostahva:

  • brand: Johnson Controls
  • model: A421
  • part type: Controller Sensor
  • programmability: Programmable

Returns thermostahva:

  • time: 14 Days
  • type: Money Back
  • paid by: Buyer
  • policy: returns accepted

Shipping thermostahva:

  • type: Calculated
  • handling: 2 days

Offer thermostahva:

  • Started: May 15, 2018, 8:02 pm
  • quantity: 1
  • Sold: 0
  • best offer: true
  • bids: 0

Seller thermostahva:

  • zipcode: 01890
  • city: Winchester, Massachusetts

General thermostahva:

  • business industrial > mro industrial supply > hvac > hvac parts business industrial > thermostats hvac parts
  • in stock: Yes
  • condition: Used

Ratings:

  1. Great communication. A pleasure to do business with. 05-08-18
  2. G 02-27-18
  3. Great, valued customer, highly recommended. 02-02-18
  4. Arrived perfect condition. Wasn't pleased with communication or shipping delay 02-27-18

Payments thermostahva:

  • PayPal
part type: controller sensor, programmability: programmable,
category: business & industrial > hvac > hvac parts business industrial > thermostats hvac parts, sku: 1507136289526352,
Review#1 Great communication. A pleasure to do business with. ()
Review#2 G ()
Review#3 Great , valued customer, highly recommended. ()
Review#4 Arrived perfect condition. Wasn't pleased with communication or shipping delay ()
Johnson Controls A421 Is Similar To:
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5 offers $59.95–$146.14 USD
  • New. Offer #1 priced at $146.14 + $0.00 shipping estimate = $146.14* total. The automatically changes from heating and cooling. A LED indicates the on / off status of the output relay.FREE SHIPPING
  • New. Offer #2 priced at $99.99 + $0.00 shipping estimate = $99.99* total. FREE SHIPPING
  • Used. Offer #3 priced at $59.95 + $9.14 shipping estimate = $69.09* total. -40 F to 212 F Enclosure: NEMA 1 style control enclosure Includes: Controller, sensor/probe, attached wiring as pictured For sale is a PENN / Johnson Controls ABC-02 electronic temperature controller.+$9.14 shipping
  • New. Offer #4 priced at $48.95 + $0.00 shipping estimate = $48.95* total. Common uses: Walk-in cooler/freezer thermostat sensors, HVAC duct sensors, refrigeration case temp monitoring, dairy/restaurant cold storage, beer cooler temp readouts. The A99BB-200C is apositive temperature coefficient (PTC) silicon nitride sensor.FREE SHIPPING
  • New. Offer #5 priced at $91.81 + $0.00 shipping estimate = $91.81* total. Displayed temperature offset allows you to adjust the displayed temperature to the actual sensed temperature in applications where the resistance error in long sensor cable leads cause a deviation in the displayed temperature from the actual sensed temperature. Rated for 120/240 VAC.FREE SHIPPING

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