Brief introduction
Center 307 is a digital thermometer with K-type thermocouple temperature sensor as the sensor The relationship between thermoelectric potential and temperature conversion is defined by the K-type conversion function in the IEC458 international standard
2、 Specifications
Display mode: Four digit LCD screen display
Measurement range: -200~1370 ℃ -328~2498⁰F
Resolution: -200 ℃~200 ℃ 0.1 ℃; 200～1370℃ 1℃
-200⁰F～200⁰F 0.1⁰F;else 1⁰F
Input protection: 60V DC, or 24Vrms AC
Operating environment: 0 ℃~50 ℃ (32 ℃)⁰F～122⁰F);0～80% RH
Storage environment: -10 ℃ to 60 ℃ (14 ℃)⁰F～140⁰F);0～80% RH
Operating altitude: below 2000m above sea level
Measurement accuracy: ambient temperature of 23 ± 5 ℃

Temperature coefficient: When the operating temperature exceeds 28 ℃~18 ℃, the following inaccuracy should be added per degree: reading value X 0.01% ± 0.03 ℃
Reading value X 0.01% ± 0.06^oF
Sampling rate: 0.6 times per second
Exterior dimensions: 164 X 54 X 34mm
Weight: Approximately 180g
Attachment: K-type thermocouple, operation manual, battery.
Battery specification: 9 V IEC6F22
Battery life: 150 hours (using alkaline batteries)