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

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