The Fluke 52 Digital Thermometer is a dual-input instrument for precise temperature measurement across laboratory, quality assurance, process calibration, food safety, and HVAC/R applications. It simultaneously measures and displays temperatures from two independent sources with laboratory-grade accuracy and fast response times in a compact, rugged package.
– Technical Specifications
Thermocouple Types: J, K, T, and E-type supported.
Temperature Ranges:
• J-type: −210°C to 1200°C (−346°F to 2192°F)
• K-type: −200°C to 1372°C (−328°F to 2501°F)
• T-type: −250°C to 400°C (−418°F to 752°F)
• E-type: −150°C to 1000°C (−238°F to 1832°F)
• General measurement ceiling: 900°C (1600°F)
Accuracy:
• Above −100°C (−148°F): ±[0.05% + 0.3°C (0.5°F)] for J, K, T, E-types
• Below −100°C (−148°F): ±[0.20% + 0.3°C (0.5°F)] for J, K, E-types; ±[0.50% + 0.3°C (0.5°F)] for T-type
Display: Dual-input backlit display with 0.1°C and 0.1 K resolution below 1000; 1°C and 1 K resolution at 1000 and above. Shows any combination of T1, T2, T1–T2, MIN, MAX, or AVG.
Units: °C, °F, K.
Power: 3 × AA batteries, 1000 hours typical runtime. Auto sleep mode after 20 minutes inactivity.
Dimensions: 173 × 86 × 38 mm (6.8 × 3.4 × 1.5 inches). Weight: 0.4 kg (0.9 lbs).
Operating Temperature: −10°C to 50°C (14°F to 122°F).
– Key Features
• Single and differential temperature measurement (T1, T2, T1−T2)
• MIN, MAX, and AVG recording with relative time clock for event reference
• Electronic offset function for thermocouple error compensation
• HOLD function for frozen readings
• Impact-absorbing holster with splash and dust resistance
– Typical Applications
Temperature monitoring in calibration labs, food safety verification, HVAC system diagnostics, and process control environments requiring dual-point measurement and data trending.
– Compatibility & Integration
Accepts standard J, K, T, and E-type thermocouple probes across the full specified temperature range.
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