FD Digital Reference Thermometer

Only digital thermometer that complies with PMO Provisions.

  • Digital display provides precise and accurate temperature indication.
  • Sensors easily replaced without the need to recalibrate.
  • Degree F/C is user selectable enabling global performance.

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The “DART” Digital Reference Thermometer is the only digital thermometer available today that complies with the applicable provisions of the Pasteurized Milk Ordinance (PMO). With accuracy greater than twice that of mercury-in-glass pasteurization thermometers, the DART assures consistent processing. Unlike conventional thermometers which must be viewed at the process location, the “DART” display may be located up to 1500 feet from the sensor.

Its dual-element sensor and proprietary comparator circuitry assure fail-safe performance. Self-diagnostics guarantee continued, reliable service and an internal test feature allows for easy verification of accuracy and performance by regulators. The DART not only meets or exceeds the requirements of the PMO, it stands up to the demands of the pasteurization loop. Dual element DART sensors are built to meet 3-A standards, and are interchangeable requiring no field calibration. As with all critical temperature instruments, DARTs are calibrated to Anderson’s exacting performance requirements and are traceable to the National Institute of Standards and Technology (N.I.S.T.).

For Retort applications, the unique features of the DART also meet the requirements of the updated 21 CFR Part 113 document covering the use of Alternative Temperature Indicating Devices (ATID’s). The DARTs’ dual element comparator circuit ensures that readings are never compromised. With the ability to locate the display up to 1500’ from the sensor, Retort process monitoring can easily be performed in the control room.


  • Meets PMO Provisions
  • Digital display reads to 0.1°F (0.01°C) providing precise and accurate temperature indication
  • Display blanks providing failsafe performance if the differential between RTD elements exceeds .5° F; sensor fails; lead broken; electrical short
  • Sensors can be easily replaced without the need to recalibrate the instrument and with no effect on the DART’s accuracy
  • Degree F/C is user selectable enabling global performance
  • Meets requirements for use as Alternative Temperature Indicating Device (ATID) on Retort cookers
  • Quick Disconnect Receptacle (QDR) sensor connection optional for Retort and
  • Non-PMO applications

Industrial Technical Services from Mississauga, Ontario is a single source Instrumentation and Automation company. We provide certified calibrations, PLC programming, custom controls and Panels.

Part No.FD11046
Product CodeFD
Thermometer TypeDigital Reference Thermometer for HTST and VAT Pasteurizers
Voltage115 VAC 50/60 Hz
Offset Point100 deg F
Span200 deg F
Combined Sensor±0.3°F (±0.16°C) including drift, linearity and Repeatability
Operating RangeFixed at -50 - 350°F

Ambient Temperature Limits40 - 120°F (5 - 49°C)
Combined Sensor and DisplayWithin four seconds for standard Pasteurized Milk Ordinance test (Appendix l, Test 7)

Calibration StabilityField accessible "Fine" zero ±2.5°F (±1.39°C) only; (tracksfor °F and °C); All remaining factory adjustments sealed; Tocomply with regulatory testing requirements at a threemonthminimum stability to calibrated accuracy - up to aone year maximum calibration cycle

HumidityFully gasketed and splash proof enclosure, with all stainlessgasket sealed sensor; designed for typical process floormounting

Supply Voltage115 Volt AC nominal, 50/60 Hz, 85.0 volt, AC minimum,138.0 Volt AC maximum

OutputsDevice stand alone with no additional outputs to meet regulatory requirements

InputsDigital display receives signal from 8-wire, dual elementresistive probe; Probe output custom proprietary curve

Electrical ConnectionIntegral conduit housing with cap sealable by health authority

Process Connections1-1/2" Tri-Clamp®, 2" Tri-Clamp®, 2-1/2" Tri-Clamp®, 3" Tri-Clamp®, 4" Tri-Clamp®

DisplayDigital display; ½" LED, 4-1/2 active digits; User selectableF/C units

Sensor Materials and FinishesHousing type 316 SS, wettable surfaces type 316L and 3-Acompliant
Enclosure Materials and FinishesDie cast aluminum coated with two-part urethane paint

Sensor and Enclosure Combined Weight11 lbs approximate

Compliance/Protection ClassMeets requirements of Pasteurized Milk Ordinance for usein VAT and Continuous pasteurizers, ULFDA Milk Safety Branch Memorandum of Compliance withPMO (include integrated meter based timing)

Digital Display Warranty3 years
Sensor Warranty1 year

Spare Parts

42117L00066' Molded Cordset
42117L002525' Molded Cordset
42117L005050' Molded Cordset
42117L0100100' Molded Cordset
56014E0095115 Vac Power Board
SP56001P00324 - 20 Ma Retransmission Board
SP56014E0102Display Board

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“Industrial Technical Services is a single source Instrumentation and Automation company. We provide certified calibrations, PLC programming, custom controls and Panels”.


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