| | Minimum/Maximum Recordings | +1300 °C, +1999°F | - | RS51 | Handheld | K | - | ±0.1 K | - | 1 | 0.1 °C, 0.2 °F | 74mm | 39mm | 170mm | - | - | - | - | Centigrade, Fahrenheit |
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| | - | +1372°C | - | - | Handheld | T | HVAC, Legionella | ±0.2 °C | - | 1 | 0.1°→1000° | 130mm | 70mm | - | - | - | - | - | Centigrade, Fahrenheit |
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| | Minimum/Maximum Recordings | +1372°C | - | - | Handheld | T | Food Industry | ±0.2 °C (±0.1%) | - | 1 | 0.1°→1000° | 130mm | 70mm | 33mm | - | - | - | - | Centigrade, Fahrenheit |
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| Extech | - | +1999°F | - | EA10 | Handheld | K | Temperature measurement | ±0.3 % | - | 2 | - | - | - | - | - | - | - | - | - |
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| Extech | - | +1372°C | - | TM100 | Handheld | J, K | Temperature measurement | ±0.15 % | - | 1 | - | - | - | - | - | - | - | - | - |
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| Extech | - | +1372°C | - | TM100-NIST | Handheld | J, K | Temperature measurement | ±0.15 % | - | 1 | - | - | - | - | - | - | - | - | - |
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| Extech | - | +1999°F | - | EA11A-NIST | Handheld | K | Temperature measurement | ±0.3 % | - | 1 | - | - | - | - | - | - | - | - | - |
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| Extech | - | +1999°F | - | EA11A | Handheld | K | Temperature measurement | ±0.3 % | - | 1 | - | - | - | - | - | - | - | - | - |
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| Extech | - | +1999.9°F | - | EA15-NIST | Handheld | E, J, K, N, R, S, T | Temperature measurement | ±0.05 % | - | 2 | - | - | - | - | - | - | - | - | - |