This 4 Channel K /J/ T / E/ R / S/ N type thermocouple datalogger thermometer is the best tool for multiple measurement. It has data logging capacity up to 16,800 records. The temperature measurement can be view in either °C / °F / K unit.
Applications: Can be use in different fields Industrial, Refrigeration, Laboratory, Ventilation, Automotive, Storage, Research, Agriculture, Biotechnology, Chemical Industry, Food Processing, Energy Management etc. 
Features:
- Measure [T1, T2, T3, T4] readings or differential [T1-T2] & [T3-T4]
- HOLD function to freeze current readings
- 15 minutes auto power off function which can be disabled
- Programmable temperature HIGH/LOW alarm limit for 4 Channels
- Switch button for different type of thermocouple (K /J/ T/ E/ R / S/ N)
- Switchable temperature unit (°C / °F / K)
- One button press to see Real time display (year-mon-date,hour-min-second)
- Temperature offset function to compensate for the error
- MAX/MIN/AVG value
- Relative value measurement
- Offset value setting
- Auto ranging function
- Overload and battery low indication
- ON/OFF Backlight and alarm function
- Auto and manual recording of data
- Supported operating systems: XP / Windows7 / 8.1 / 10
Specifications:
- Display: 4 channel and 4 digit LCD
- Input limit: Maximum input 24V DC or AC
- Datalogging capacity: 16,800 Auto recording / 200 manual recording
- Save interval: 1 second~24 hours
- Electrical Specification: Accuracy is specified for ambient temperatures between 18~28°C (64~82°F)
- TYPE-K Range: -200~1372°C (-328~2501°F)
- TYPE-J Range: -210~1200°C (-346~2192°F)
- TYPE-T Range: -250~400°C (-418~752°F)
- TYPE-E Range: -210~1000°C (-346~1832°F)
- TYPE-R / S Range: 0~1767°C (32~3212°F)
- TYPE-N Range: -150~1300°C (-238~2372°F)
- Resolution:
- 0.1 - K / J / T / E / N≤1000°C
- 1 - R / S / K / J / T / E / N≥1000°C
- Accuracy:
- K/J/E/T/N Type: ±(0.05% rdg + 0.7°C / 1°F Below-100 °C (-148 °F): K, J, T, E add 0.15% reading. N add 0.45% reading
- R/S Type: ±(0.05% rdg+3°C /5.4°F
- Temperature coefficient: 0.05% ±0.07°C of reading/°C (0.06°F/°F) outside 18~28°C(64~82°F) specified range
- Temperature Scale: ITS-90
Note: Specifications above does not include thermocouple accuracy
- Power Source: 6 x 1.5V battery or 9V AC to DC adaptor
- Operating Environment: 0~50°C (32~122°F), <80%RH
- Storage Environment: 0~50°C (32~122°F), <80%
- Weight: approx. 330gms
- Dimension: approx. 168 x 73 x 35mm
Set Includes:
- 1 x Thermocouple thermometer
- 6 x 1.5V AAA battery
- 4 x K-type Thermocouple probe
- 1 x 9V AC to DC adaptor
- 1 x USB Cable and Installation disc
- English Instruction Manual
- Carrying Pouch
- Standard Factory Packaging
