HATHAWAY DHT-740 Promac Calibration Unit

( Brand: Hathaway ), ( Manufacturer Part Number: DHT-740 ), ( Part Type: Unit )

Review HATHAWAY Promac Calibration Unit

The Hathaway DHT-740 Promac Calibration Unit is an essential tool for ensuring accurate temperature and humidity readings in various industries, including HVAC, food processing, pharmaceuticals, and laboratories. This calibration unit is designed to work with digital thermo-hygrometers that use the Sensirion SHT3x and SHTC1 sensors.

The Hathaway DHT-740 is a robust and reliable device, featuring a user-friendly design with a backlit LCD display that shows temperature and humidity readings, as well as the status of the calibration process. The calibration process is facilitated by the built-in temperature and humidity generators, which allow users to calibrate their digital thermo-hygrometers against known and stable reference points.

The unit's temperature range is from -10 C to 50 C, with an accuracy of 0.3 C (at 25 C), making it suitable for a wide range of applications. The humidity range is from 0% to 100% RH, with an accuracy of 2% RH (at 25 C and 50% RH), ensuring that humidity readings are precise and reliable.

The DHT-740 Calibration Unit also features a built-in self-diagnostics function that checks the internal temperature and humidity sensors, as well as the communication between the calibration unit and the connected thermo-hygrometer. This feature helps users identify any potential issues with the calibration process or the connected device, reducing downtime and increasing productivity.

The device is compact and portable, making it easy to transport and use in various locations. It comes with a rechargeable battery that can be charged using the included AC adapter or a USB power source, providing users with the flexibility to calibrate their thermo-hygrometers on-site or in the lab.

The Hathaway DHT-740 Promac Calibration Unit is an indispensable tool for any organization that requires accurate and reliable temperature and humidity readings. With its easy-to-use design, wide temperature and humidity range, and built-in self-diagnostics function, this calibration unit is an essential investment for maintaining quality control and ensuring regulatory compliance.

The Hathaway DHT-740 Promac Calibration Unit is a temperature and humidity sensor designed for HVAC and refrigeration applications. Here are some potential pros and cons of purchasing this calibration unit:

1. Accuracy: The Hathaway DHT-740 is known for its high accuracy, making it suitable for precise calibration and monitoring of temperature and humidity levels.

2. NIST Traceable: The calibration certificate provided with the unit is traceable to the National Institute of Standards and Technology (NIST), ensuring the reliability and traceability of the calibration results.

3. Wide Temperature Range: The unit can measure temperature from -40 F to 392 F and humidity from 0% to 100%, making it suitable for a wide range of applications.

4. Easy to Use: The unit comes with a user-friendly interface and is easy to operate, making it suitable for users with different levels of experience.

5. Rugged Design: The Hathaway DHT-740 is built with a rugged design and can withstand harsh environments, making it suitable for industrial applications.

1. Cost: The Hathaway DHT-740 is more expensive compared to some other calibration units in the market, which may be a consideration for budget-conscious buyers.

2. Requires External Power Source: The unit requires an external power source to operate, which may add to the cost and complexity of the setup.

3. Limited Communication Options: The Hathaway DHT-740 offers limited communication options, making it less flexible for users who require remote monitoring and control.

The Hathaway DHT-740 Promac Calibration Unit offers high accuracy, NIST traceability, and a wide temperature range, making it suitable for precise calibration and monitoring of temperature and humidity levels in various applications. However, it comes with a higher cost and limited communication options compared to some other calibration units in the market. Ultimately, the decision to purchase the Hathaway DHT-740 depends on the specific requirements of the application and the budget of the buyer.

If you require high accuracy and traceability for temperature and humidity measurements, the Hathaway DHT-740 Promac Calibration Unit is a good option to consider. However, if you are on a tight budget or require more communication options, you may want to explore other calibration units in the market that offer similar capabilities but at a lower cost.

Details:

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specifications tecalib:

• brand: Hathaway
• mpn: Dht-740
• part type: Unit

shipping tecalib:

• type: Calculated
• cost: $0.00
• service: UPS Ground
• transit: 3-7 Days
• class: Standard
• carrier: UPS

seller tecalib:

• # reviews: 6640
• city: Clarksburg, West Virginia
• rating: 100.0%

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• other
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general tecalib:

• Testers Calibrators > Calibrators > Other Calibrators
• condition: Used

offer tecalib:

• sold: 0
• started: February 23, 2026
• options: Ship-to-home
• best offers: True
• quantity: 1
• availability: In Stock

returns tecalib:

• policy: Returns Accepted
• method: Money back
• time: 30 Days
• paid by: Buyer