Background

The Welch Allyn Braun ThermoScan Pro 4000 is a digital ear thermometer designed primarily for professional medical use. This device is used to measure body temperature by analyzing the heat emitted by the eardrum and surrounding tissue. It features an efficient design that allows healthcare providers to take accurate readings in seconds. The Pro 4000 has a pre-warmed tip to ensure consistent accuracy, which helps to avoid the cooling that can occur with a standard cold tip. The device also includes a large and easy-to-read display and an automatic probe cover eject button, promoting hygiene in clinical settings.

Released in the early 2000s, the ThermoScan Pro 4000 was part of a group of ear thermometers developed by Braun under the Welch Allyn brand. Due to its speed, accuracy, and ease of use, it was adopted in hospitals, clinics, and other medical environments. Although newer models have recently succeeded, it was not officially discontinued until the late 2000s. Millions of units were likely sold, as ear thermometers are essential in healthcare. This device was marked globally, with no known exclusivity to specific countries.

The target demographic for the ThermoScan Pro 4000 includes healthcare professionals working in environments where accurate, fast temperature readings are vital, such as general practice, pediatrics, and emergency scenes. It was relatively cheap compared to other medical devices, retailing for around $100 to $200, depending on the retailer and regional prices.

Consumer reviews generally praised the speed and ease of use of this thermometer. There were occasional complaints about the durability of the probe covers or the cost of replacement parts. There have been no widespread recalls or failures, but occasional malfunctions or wear of components, such as the display and buttons, were reported over time.

Later models, such as the ThermoScan Pro 6000, introduced wireless capabilities and enhanced hygiene features. However, the Pro 4000 remains a reliable option for healthcare providers who require a durable and accurate ear thermometer.

Identification

The Welch Allyn Braun ThermoScan Pro 4000 can be identified by its compact, handheld design, typically measuring around 6 inches in length with a curved handle for easy grip. It has a white plastic cover with a digital display near the top and a protective cover over the infrared sensor probe at the tip. The model is sturdy and durable, meeting the professional-grade qualities needed in medical environments. The model number is usually printed on the back or the bottom of the device for easy reference. It typically comes in silver and black and does not have any variations in color or design options.

Technical Specifications

  • Model Number: ThermoScan Pro 4000
  • Measurement Method: Infrared ear thermometer
  • Ambient Temperature Range: 50.0 to 104 °F (10.0 to 40.0 °C)
  • Patient Temperature Range: .68.0 to 108 °F (20.0 to 42.2 °C)
  • Accuracy: ± 0.4°F (± 0.2°C) within typical operating conditions for the thermometer at 95.9 to 107.6 °F (35.5 to 42.0 °C)
  • Response Time: 3-7 seconds per reading
  • Display: Digital LCD with memory recall for last reading
  • Power Source: Two AA batteries or two AAA rechargeable batteries
  • Battery Life: Approximately 6 months or 1,000 measurements per set of batteries
  • Dimensions: 5.98" x 1.73" x 1.30" (152 mm x 44 mm x 33 mm)
  • Weight: Approximately 3.6 ounces (without batteries)
  • Probe Covers: Disposable lens filters for hygiene, replaceable after each use
  • Auto-off Function: Powers down automatically after 60 seconds to save battery
  • Calibration: Required annually or after 10,000 measurements
  • Usage Environment: Clinical-grade, suitable for hospitals, clinics, and professional settings
  • Warranty: 3-year limited instrument, and 3-year limited base station

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Additional Information

  • Braun ThermoScan Pro 4000 User Manual: The official user manual provides step-by-step instructions on how to use the device, perform basic maintenance, and replace essential components like probe covers and batteries. It also offers calibration guidelines and other technical information relevant to healthcare professionals.
  • Welch Allyn Official Product Page: This is the official page for the Welch Allyn Braun ThermoScan Pro 4000 thermometer. It contains pages and PDFs with detailed product information, specifications, and support documents, including manuals and troubleshooting guides for users who need help with device identification and functionality.
  • Braun ThermoScan Pro 4000 Brochure
  • ThermoScan Pro 4000 on Amazon