KOEHLER INSTRUMENT / WATLOW 02042 Temperature Controller

( Brand: Koehler Instrument / Watlow ), ( Manufacturer Part Number: 02042 ), ( Part Type: Instrument Controller ), ( Analog/digital: Digital )

Review KOEHLER INSTRUMENT / WATLOW Temperature Controller No

The Koehler-Watson 02042 Temperature Controller is a versatile and reliable device designed for precise temperature control applications. This compact, easy-to-use controller is perfect for a wide range of industries, including laboratory, medical, food processing, and more.

The heart of the 02042 Temperature Controller is its microprocessor-based design, which ensures accurate and stable temperature readings. The controller can handle a temperature range of -58 F to 392 F (-50 C to 200 C), making it suitable for a variety of temperature-sensitive applications.

The 02042 controller features a bright, easy-to-read LCD display that shows the current temperature, set point, and other important information. The user-friendly interface allows for easy navigation and adjustment of settings, including the temperature set point, alarm limits, and output control.

The controller also comes with a variety of output options, including relay, solid-state, and analog outputs, making it compatible with a wide range of heating and cooling devices. The 02042 controller also has a built-in alarm function that can be set to alert the user when the temperature goes outside of the preset limits, providing an additional layer of safety and security.

The Koehler-Watson 02042 Temperature Controller is designed with durability and reliability in mind. It is built with high-quality components and features a rugged, industrial design that can withstand harsh environments. The controller also comes with a one-year warranty for added peace of mind.

Overall, the Koehler-Watson 02042 Temperature Controller is a powerful and versatile device that is perfect for precise temperature control applications. Its microprocessor-based design, user-friendly interface, and wide range of output options make it a valuable tool for a variety of industries. With its rugged design and one-year warranty, the 02042 controller is built to last and deliver accurate temperature control for years to come.

The Koehler-Watson 02042 Temperature Controller is a versatile and reliable device for temperature regulation in various industrial and laboratory applications. Here are some pros and cons to consider before making a purchase:

1. Wide operating range: The 02042 can handle temperatures from -30 C to 300 C (-22 F to 572 F), making it suitable for a broad range of applications.

2. Accurate temperature control: The temperature controller offers 0.1 C ( 0.2 F) accuracy, ensuring consistent and precise temperature regulation.

3. Multiple input and output options: The device supports various input types, such as RTD, thermocouple, and millivolt, as well as several output options, including relay, solid-state relay, and current loop.

4. Easy-to-use interface: The 02042 features a user-friendly keypad with a backlight for low-light conditions, making it simple to navigate and configure settings.

5. Remote monitoring and control: The temperature controller supports remote operation through RS-232 and RS-485 communication interfaces, allowing users to monitor and adjust settings from a distance.

1. Price: The Koehler-Watson 02042 is a premium temperature controller, and its cost may be higher compared to other options in the market.

2. Complex setup: While the device is easy to use once configured, the initial setup process may be intimidating for users unfamiliar with temperature controllers or industrial automation.

3. Limited display options: The temperature controller's display is limited to a single line, which might not be enough for users who require more detailed information or multiple process variables.

4. No built-in alarm system: The 02042 does not have an integrated alarm system to alert users of temperature deviations, although it can be easily interfaced with external alarm devices.

The Koehler-Watson 02042 Temperature Controller is a high-quality and versatile device suitable for applications requiring precise temperature control and remote monitoring capabilities. Its wide operating range, multiple input and output options, and user-friendly interface make it a popular choice among industrial and laboratory users.

However, its higher price point and potentially complex setup process may deter some users. Additionally, the limited display and lack of built-in alarm system are worth considering before making a purchase.

If you are looking for a reliable and accurate temperature controller with a wide operating range, the Koehler-Watson 02042 is an excellent choice. However, if budget is a concern or you require a device with more advanced features like a built-in alarm system or a more comprehensive display, it may be worth exploring alternative options available in the market.

Details:

BUYERTO PAY ACTUAL SHIPPING CHARGES PLUS $25.00PACKAGING OR $200.00 CRATING. KOEHLER INSTRUMENT / WATLOW TEMPERATURE CONTROLLER,NO: 02042, SERIAL NO: 078369, 078376, 078390, HIGH voltage ONLY, 100-240 volts VAC, hertz : 50/60, 7.0 VA MAX, USE WIRING RATED NO LESS THAN 75 DEG C, TYPE4X AND 12 ENCLOSURE.

part #: 02042 price

• $350.00

specifications temperaturcontr:

• brand: Koehler Instrument / Watlow
• mpn: 02042
• part type: Instrument Controller
• analog/digital: Digital

returns temperaturcontr:

• policy: No Returns

payments temperaturcontr:

• credit card: Discover
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offer temperaturcontr:

• best offers: True
• availability: In Stock
• quantity: 3
• started: November 21, 2025
• options: Ship-to-home
• sold: 0

seller temperaturcontr:

• city: Texas City, Texas
• rating: 100.0%
• # reviews: 3201

shipping temperaturcontr:

• class: Economy
• type: Calculated
• transit: 4-10 Days
• cost: $49.93
• service: UPS Ground Saver
• carrier: UPS

general temperaturcontr:

• PLCs HMIs > PLC Peripheral Modules > PLC Temperature Modules
• condition: Used