Model FST-300 Food Service Infrared Thermometer

HACCP Zone Display, In Contact Thermocouple Probe, Perfect for Food Service and Inspection

The Model FST-300 Infrared Thermometer is designed to monitor temperatures in the food service industry. The thermometer has both an infrared sensor and an immersion probe to safely monitor surface and product temperatures. The quick HACCP zone display gives visual indication when products are within a safe storage temperature range for both hot and cold food products. The Model FST-300 also has a built-in white light to illuminate the measurement area.

Models & Ordering

Shipping Information

All shipping times are dependent on product availability at time of shipment.

Although we make every effort to ensure a continuous supply of our products, occasional circumstances may force us to temporarily run out of a product, or have shipping delays. Should this occur, customers will be notified soon after placement of any orders for such products and, if applicable, items will be put on backorder. For orders requiring expedited shipment, our customer service team can be contacted to confirm product availability

Model Description Usually Ships* Price Code Order
Price: $110.00
Food service infared thermometer with penetration probe.

Note: NIST calibration is only offered on the immersion probe and not the IR sensor on the FST-300.
$110.00 N


Infrared Sensor: -67 to 482°F (-55 to 250°C); Probe Sensor: -67 to 626°F (-55 to 330°C).
Ambient Operating Temperature:
32 to 122°F (0 to 50°C).
±1.1°F (0.5°C).
0.5°F (0.2°C).
Distance to Spot:
2.5:1 optics ratio.
Emissivity Range:
0.95 default, adjustable 0.1 to 1.0.
Power Requirements:
(2) AAA alkaline batteries, included, user replaceable.
Battery Life:
18 hours continuous use (auto power off after 15 seconds).
3.5 oz (98.1 g).
Agency Approvals:


Product Literature


Catalog Pages




What is emissivity?
The ratio of energy emitted by an object to the energy emitted by a blackbody at the same temperature. The emissivity of an object depends upon its material and surface texture:a polished metal surface can have an emissivity around 0.2 and a piece of wood can have an emissivity around 0.95.

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