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Set your temperature threshold for reliable protection for your temperature sensitive areas. The battery backup allows continuous monitoring even during power outages. The easy to read display shows current temperature, alarm status, over/under mode indic


  • 90 dB audible alarm
  • Adjustable alarm temperature ranges
  • Adjustable range from -40°F to 160°F (-40°C to 71°C)
  • Alarm switch for 'No delay' or 1 hour delay'
  • Backlit display
  • Built in terminals for remote alarm or telephone dialer connection
  • Dimensions: 4.8" x 3.2" x 1.4"
  • One year warranty
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Alarm channels: 1
Alarm adjustment range: -40 °F to 160 °F (-40 °C to 71 °C)
Probe: Precision thermistor with 6 ft. cable (21301)
Sensor type: Thermistor
Maximum probe extension: 200 ft.
Temperature accuracy (Display): ± 2 °F (± 1 °C)
Remote alarm connections: Screw type, 120 VAC, 10 Amp
Power: 12 V adapter 120 VAC with 6 ft. cable included
Case: Hi-impact thermoplastic
Mounting: Flat surface, external holes provided
Computer Rooms
Refrigerated transport, cold storage facilities
Laboratories, pharmaceutical storage facilities
Restaurants, florists, greenhouses
Food markets, convenience stores, supermarkets
Temperature alarm with display and battery backup
SDS Product Sheets Cross Reference Information
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Manuals Application Sheets Software
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No Cross Reference Available

Do I need a dialer for every alarm?: No, one dialer will accommodate as many alarms as you have, wired in parallel.
Does this temp alarm have battery backup?: Only the TA33 and TAP4 have a battery backup.
Can the Temperature Alarms be calibrated?: There is no recalibration available in the field or at the factory.
Can the alarm activate a bell or light?: Yes, the alarm has a 5 amp, SPDT dry contact.
Can the sensor be extended?: Yes, up to 200 feet, using 24 AWG stranded wire.
How long will the TA33 run on battery backup?: Approximately 35 hours.
Is TA33 F/C selectable?: Yes, using slide switch on back side.