The Digi-Tru Series of 3" and 4" dial digital thermometers is designed with a variety of temperature applications in mind. The highly accurate and reliable digital sensor provides precise temperature readings at ultra-low power consumption.  All models feature a stainless steel case with a back-connect, bottom-connect, adjustable-angle, or remote mount configuration, an easy-to-read 0.4" (10mm) tall display, and various industrial and sanitary connection options.

Digi-Tru digital thermometers are calibrated and tested with instrumentation fully NIST traceable. A statement of accuracy and NIST traceability can be supplied for a small additional cost. All models come standard with a two-year warranty from date of shipment.

• Digi-Tru models meet FDA Rule 21 CFR 113.40 requirements for temperature indicators used in retorts, and the requirements of the Pasteurized Milk Ordinance for dairy applications.
• All thermometers are calibrated and tested with instrumentation fully NIST traceable.
• Digi-Tru thermometers are backed by a two-year warranty from date of shipment.

• Features
• Specifications
• Illustrations
• Collateral
• User Information
• Markets

Configuration Choices:

• Industrial and Sanitary connections
• Various stem diameters and lengths up to 24"
• Color dials include white (standard), blue, red
• Custom options available upon request

Display:

• NIST traceable factory calibration
• High-visibility 4 digit, 0.4" (10mm) tall
• Glass (standard) or polycarbonate lens
• Eight-year battery life
• Low battery indicator

Probe:

• Connection fittings:
  • ½" NPT – standard
  • Available options:
    • ½" NPT Union
    • ½" BSPT
    • Plain bushing
    • Tri-Clover 3-A sanitary flanges - sizes 3⁄4" to 4"
    • ½" NPT sliding compression fitting

Housing:

• 3" (77mm) 304SS hermetically sealed case
  • Back connected
  • Bottom connected
  • Adjustable angle
  • Remote mount with U-clamp fitting
• 4" (102mm) 304SS hermetically sealed case

Environmental:

• IP67 (direct mount models)

Other:

• Weight approximately 1 lb, depending on connection and stem length
• Serial number on each unit for identification
• Warranty 2 years from shipment
• Certificate of Calibration available, traceable to NIST

Display:

• Accuracy
±0.1 °F/C (maximum) from -4°F to 122°F (-20°C to 50°C)
±0.2 °F/C (maximum) from -40°F to 212°F (-40°C to 100°C)
±0.3 °F/C (maximum) from -67°F to 257°F (-55°C to 125°C)
±0.4 °F/C (maximum) from -67°F to 302°F (-55°C to 150°C)
• Resolution 0.1°F or C
• Sample rate 1 sec.

Probe:

• High-precision digital temperature sensor
• 304SS (standard) or 316SS
• Stems 2-½" to 24" (6.5cm to 61cm) x 0.25" (.64cm) diameter
• Operating temperature range -67°F to 302°F (-55°C to 150°C)

Environmental:

• Ambient temperature range 20°F to 120°F (-7°C to 49°C)

Digi-Tru Industrial ND3
Digi-Tru Sanitary SD3

Digi-Tru Industrial
Digital Thermometer ND3

Digi-Tru Sanitary
Digital Thermometer SD3

Digi-Tru Remote
Digital Thermometer RD3 and RD4

Thank you for considering Tel-Tru's Digi-Tel thermometers for your temperature measurement needs! Please take a few moments to carefully review the Digi-Tru Thermometer Instructions, which cover the installation, care, and usage of your Digi-Tru thermometer, plus important safety information.

Direct Mount models ND3 and SD3

Remote Mount models RD3 and RD4

Additional Literature – See our Buyer's Guide for information on other Tel-Tru products and accessories.

Markets/Applications:

• Food and Beverage
• Oil and Gas
• Pharmaceutical/Biotech
• Petrochemical
• Water/Wastewater
• Processing
• HVAC
• Equipment Skids
• General Industrial

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