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Digi-Sense 20250-40 User Manual
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Digi-Sense 20250-40 User Manual

Temperature/rh touch-screen monitor with nist-traceable calibration
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User Manual
Temperature/RH Touch-Screen Monitor
with NIST-Traceable Calibration
Model 20250-40
sales@novatech-usa.com
www.novatech-usa.com
Tel: (866) 433-6682
Tel: (281) 359-8538
Fax: (866) 433-6684
Fax: (281) 359-0084
THE STANDARD IN PRECISION MEASUREMENT

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Summary of Contents for Digi-Sense 20250-40

  • Page 1 User Manual Temperature/RH Touch-Screen Monitor with NIST-Traceable Calibration Model 20250-40 sales@novatech-usa.com www.novatech-usa.com Tel: (866) 433-6682 Fax: (866) 433-6684 Tel: (281) 359-8538 Fax: (281) 359-0084 THE STANDARD IN PRECISION MEASUREMENT...
  • Page 2 (866) 433-6682 • (281) 359-8538 • sales@novatech-usa.com • www.novatech-usa.com Introduction The Digi-Sense Temperature/RH Touch-Screen Monitor (Model 20250-40) measures and logs temperature, relative humidity, and dew point readings in real time and displays them in digital and graphic forms. Intuitive touch-screen menu allows you to program data collection parameters and adjust the graphic display for the best presentation of the data.
  • Page 3 (866) 433-6682 • (281) 359-8538 • sales@novatech-usa.com • www.novatech-usa.com Description 1. Touch-screen monitor tablet 2. Temperature/RH sensor 3. Built-in desk stand and wall-mounting bracket 4. Slot for short probe and the probe of extension cord 5. On/Off button 6. USB interface for charging power and reviewing data via PC...

  • Page 4: Key Features

    (866) 433-6682 • (281) 359-8538 • sales@novatech-usa.com • www.novatech-usa.com Key Features • Graphical and digital touch-screen display interface • Multifunction content-rich interactive menu • Large high-resolution color LCD, resolution 1024 x 600 • Touch-screen operation, zoom in/out curve • User-adjustable high and low alarms, sampling rates, and data points •...

  • Page 5: Setup And Operation

    (866) 433-6682 • (281) 359-8538 • sales@novatech-usa.com • www.novatech-usa.com Setup and Operation Caution: The sensor or sensor extension cable should be connected to the instrument before turning it on to prevent data corruption. Main Interface 1. Memory progress bar: “Used” indicating used memory, “Free”...
  • Page 6 (866) 433-6682 • (281) 359-8538 • sales@novatech-usa.com • www.novatech-usa.com Live Mode 1. "Live" indicates that the instrument is in Live mode, default of starting up is Live Mode with sampling rate of one measurement per minute. There are three modes: Live, Recording and History. Live: Default mode, the instrument will start to record according to a sampling rate of 1 per minute.
  • Page 7 (866) 433-6682 • (281) 359-8538 • sales@novatech-usa.com • www.novatech-usa.com Curve Display Area 2. Green 1. Red 3. White 1. Red curve indicates “temperature” trend. 2. Green curve indicates “humidity” trend. 3. White curve indicates “dew point” trend. 4. Ordinate scale shows the value of temperature, humidity, and dew point. 5.
  • Page 8 (866) 433-6682 • (281) 359-8538 • sales@novatech-usa.com • www.novatech-usa.com How to Review History Recorded Data Click History button on main screen to pull up a menu of recorded files as shown below: 1. Click Delete All to delete all historical files. 2.
  • Page 9 (866) 433-6682 • (281) 359-8538 • sales@novatech-usa.com • www.novatech-usa.com Menu Clicking the Menu button on main screen brings up the menu below which allows you to set various parameters. General Setup: Allows you to set temperature units and temperature/humidity alarm levels. 1.
  • Page 10 (866) 433-6682 • (281) 359-8538 • sales@novatech-usa.com • www.novatech-usa.com Recording Setup: Allows you to set sampling rate, start time, and data points. 1. Sample Rate: Set sampling rate. 2. Start Time: Set recording starting time (Note: The default time is the current date and time in the system;...
  • Page 11 (866) 433-6682 • (281) 359-8538 • sales@novatech-usa.com • www.novatech-usa.com Delete CSV A CSV file is generated automatically when placed in Recording Mode. It can be reviewed when connected to a computer. 1. Delete: Click on a selected file and that file will be deleted. 2.
  • Page 12 (866) 433-6682 • (281) 359-8538 • sales@novatech-usa.com • www.novatech-usa.com Date & Time 1. Click on Set Date to set the current date. 2. Click Set Time to set the current time. 3. Click Cancel to return to main screen.
  • Page 13 (866) 433-6682 • (281) 359-8538 • sales@novatech-usa.com • www.novatech-usa.com Info: Shows version information and upgrade software. 1. Version: Indicates the current software version. 2. Click on Update App to upload free future software updates over the life of the product. 3.
  • Page 14 (866) 433-6682 • (281) 359-8538 • sales@novatech-usa.com • www.novatech-usa.com Back 1. Selecting Back returns you to the main screen.

  • Page 15: Specifications

    (866) 433-6682 • (281) 359-8538 • sales@novatech-usa.com • www.novatech-usa.com Specifications Humidity range 0 to 100% RH Humidity accuracy ±1.5% RH Temperature range 14 to 176°F (–10 to 80°C) Temperature accuracy ±0.36°F (±0.2°C) Dew point temperature range –4 to 176°F (–20 to 80°C) Data points 500 to 20,000 Internal storage...
  • Page 16 Do not use solvents or abrasives. • Store the instrument in an area with moderate temperature and humidity. It is recommended that Digi-Sense products are calibrated annually to ensure proper function and accurate measurements; however, your quality system or regulatory body may require more frequent calibrations.