Scope:
Supports the measurement system for the determination of the thermal conductivity of liquids and pastes according to ASTM D7896-19 Standard test method. (Standard Test Method for Thermal Conductivity, Thermal Diffusivity and Volumetric Heat Capacity of Engine Coolants and Related Fluids by Transient Hot Wire Liquid Thermal Conductivity Method) 

• Capable of measuring the thermal conductivity of liquids 
• Capable of measuring the temperature of liquids 
• Capable of measuring thermal diffusivity of the liquids

Technical specifications 

• Measuring Materials: Liquids, Gels and Pastes 
• Thermal Conductivity Range: 0.01 to 2 W/mK (Watts per meter-Kelvin)
• Temperature Range: -50 OC to 300 OC (or above) 
• Accuracy: ±2 % (Or better accuracy) 
• Repeatability Limit: 1 % (Or better repeatability
• Temperature sensor: ± 0.1 OC Accuracy in the temperature range of -50 OC to 300 OC (or above)
• Sample Volume: 40 ml (Or smaller volume)
• Measuring time: 30 seconds (Or lesser time) 
• Display: LC-Display 
• Device size: Benchtop device

Components :

• Sensor with sample cup: o Material: Standardized metal or noble metal as the thermal insulator coating 
• Temperature sensor: ± 0.1 OC Accuracy in the temperature range of -50 OC to 300 OC (or above) 
• Temperature Range: -50 to 300OC (or above) o Maximum Pressure: 30 bar (or above) 
• Software: Windows OS compatible software 

Block Thermostat: 

• Supports for automatic temperature control of the sample 
• Compatible with the thermal conductivity meter for the fully automatic determination of the thermal conductivity of liquid

Temperature Range: 

• From Room Temperature to 300 OC (or above) 
• Temperature Stability: ± 0.3oC (Or better stability)
•  Power cable for thermal conductivity meter 
• Power cable for block thermostat 
• Data cable for PC to the thermal conductivity meter connection 
• Data cable for thermal conductivity meter to block thermostat connection 
• Any other cable for the perfect operation of the instruments

Power Supply:

• AC Power supply with 230/240V, 50 Hz (For both thermal conductivity measuring instrument and the block thermostat