FH Digital Temperature Gauge/Switch

For use in Dairy and Food processing.

  • Cost-effective replacement for mechanical thermometer from bi-metals to mercury-in-glass.
  • Large LCD display.
  • For applications that require local indication and remote recording.

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The model FH Standard DTG Digital Temperature gauge is a battery operated digital thermometer for use in Dairy and Food processing. Large and easy to read digits on the LCD display make viewing in process simple for the operator.

The Anderson-Negele DTG Digital Temperature Gauge carries on the tradition of accurate and reliable electronic temperature indication, while incorporating many new features tailored to a growing industry.

This “next generation” product provides high accuracy temperature monitoring in an operator friendly simple to read design. The DTG also offers new options for remote mounting as well as high and low switches for critical applications where user-defined setpoints can be easily programmed.

The battery-operated version can be ordered with or without a secondary 100 ohm 3-wire RTD. The secondary RTD option is ideal in applications that require local indication, as well as remote recording. As only one vessel penetration is required, a cost savings can be realized. The DC powered version supplies two (2) SPST low voltage contacts assigned to the adjustable setpoints. An optional remote relay module is available that provides SPDT relays rated 6 amps at 250 VAC.

All models feature simple field calibration for fine tuning to the plant reference standard. As such, the DTG makes a perfect and cost-effective replacement for any mechanical thermometer, from bi-metals to mercury-in-glass. With resolution to a tenth of a degree, the DTG takes the guesswork out of reading dials and mercury columns.


  • Ideal replacement for Mercury-InGlass thermometers
  • Models and fittings for Dairy, Fluid Food and Beverage Applications
  • Operates on field replaceable batteries; DC switching version available
  • Large Liquid Crystal Display makes viewing easy and repeatable
  • All models offer field calibration capability

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.
Product Code
Standard Thermometer
Display Units
Deg F
1/2" Tri-Clamp
Insertion Length Selection
Insertion Length
1.25 INCH
Standard Probe
Cable Length
Remote Display Cable Length
±0.75°F (±0.4°C)
Operating Range
Fixed; 0 - 300°F (-18 - 150°C)
Ambient Temperature Limits
40 - 140°F (4 - 60°C)
Process Temp. Range/Temperature Limits
0 - 300°F (-18 - 150°C)
Response Time
Display update every 3 seconds
Calibration Stability
One year calibration cycle recommended
Designed for process floor mounting; NEMA 4X rated for harsh environment
Supply Voltage
2 Industrial Grade AA Batteries - 1.5 VDC ea. (Style 0,1,5) / 9-30 VDC external supply (Style 2)
Secondary Output
Additional 100 ohm RTD;3-wire DIN,wire via quick disconnect fitting (Style 1)
Internal switch option
1 amp at 24 VDC SPST
Remote switch option
6 amp at 250 VAC SPDT
Single 100 ohm DIN Resistance Temperature Detector (RTD)
Secondary RTD output Electrical Connection
Quick disconnect fitting
Internal switch option Electrical Connection
Quick disconnect fitting
AC switch option Electrical Connection
Screw terminal connections located in separate switch module enclosure
Process Connections
Tri-Clamp®, Bi-Metal well 1/2" NPT 4, Projectile wells and various other fittings
LCD Display
4-digit main display, 6-digit secondary; 0.9" high contrast LCD
Fitting & Probe Material/Materials and Finishes
316L SS
Process Contact Finish/Materials and Finishes
Ra max = 32 micro inches
Non-Process Contact/Materials and Finishes
Housing; 304 SS
Materials and Finishes
Lens; Polysulfone
From 2.5 to 5 lbs. depending on fitting
Compliance/Protection Class
3-A compliant / NEMA 4X / IP-66
Not for use as reference thermometer on VAT or continuous pasteurization systems
2 years

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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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