ZT0003 Advanced Temperature Measurement Trainer Didactic Equipment Heat Transfer Training Equipment 1 Product Overview 1.1 Overview This trainer is used for comparative experiments of different temperature measurement methods to study transient temperature behavior and certain temperature jumps. Measurement methods include non-electrical methods: liquid thermometers, bimetallic thermometers; electronic methods: K-type thermocouple temperature sensors, Pt100 thermal resistance temperature sensors and NTC thermistor temperature sensors. The wet and dry bulb thermometer measures the air humidity. Through related experiments, help students master different temperature measurement methods and working principles, and cultivate students’ corresponding knowledge and skills. It is suitable for teaching and skill training assessment of related majors in higher vocational schools, colleges, secondary vocational schools and technical schools. 1.2 Features (1) High degree of automation: The trainer will automatically start and stop adding water after connecting the water inlet pipe, turn on the power, and automatically start heating to the specified temperature when the specified liquid level is reached. After reaching the specified temperature, the test liquid is automatically injected into the test box from the heating box. The chopper circuit hanging box adopts an injection-molded shell structure with built-in components and integrated installation, which is easy to use and not easy to damage. (2) A comprehensive range of temperature measurement equipment, including non-electrical methods: liquid thermometers, bimetallic thermometers; electronic methods: K-type thermocouple temperature sensors, Pt100 thermal resistance temperature sensors and NTC thermistor temperature sensors. And wet and dry bulb thermometers are used to measure air humidity. 2 Performance parameters (1) Input power: AC220V±10% 50Hz (2) Dimensions: 1200mm×700mm×1550mm (3) Weight: 100kg Working conditions: ambient temperature -10℃～+40℃ relative humidity ＜85% (25℃)

SR6128 Mechanical Heat pump Vocational Training Equipment Thermal Training Equipment Specification investigation of a heat pump with a water circuit as load refrigeration circuit with compressor, evaporator with fan, thermostatic expansion valve and coaxial coil heat exchanger as condenser hot water circuit with pump, tank and condenser as heater additional cooling via pipe coil in the hot water tank and external cooling water record and display of all relevant measured values refrigerant mass flow rate calculated in the software from recorded measured values software for data acquisition via USB under Windows 7, 8.1, 10 refrigerant R513A, GWP: 631 Technical data Compressor refrigeration capacity: 372W at 7,2/55°C power consumption: 205W at at 7,2/55°C Coaxial coil heat exchanger (condenser) refrigerant content: 0,55L water content: 0,3L Finned tube evaporator transfer area: approx. 0,175m2 Pump max. flow rate: 1,9m3/h max. head: 1,4m Hot water tank volume: approx. 4,5L Refrigerant: R513A GWP: 631 filling volume: 1kg CO2-equivalent: 0,6t Measuring ranges pressure: 2x -1…15bar temperature: 4x 0…100°C, 2x -100…100°C power: 0…6000W flow rate: 0…108L/h (water) flow rate: 10…160L/h (cooling water) flow rate: 0…17kg/h (refrigerant) 230V, 50Hz, 1 phase; 230V, 60Hz, 1 phase 120V, 60Hz, 1 phase UL/CSA optional

ZT0001 Air Humidity Measurement Vocational Training Equipment Thermal Educational Equipment I. Product content 1 Product overview 1.1Overview The ZT0001 basic humidity measurement experiment platform is a training and teaching device used by the laboratory to compare and learn several basic humidity measurement principles. The core part of the experiment platform is to simulate the humidity changes in the atmosphere with electrical components that can humidify and dehumidify, through the hair hygrometer Four different hygrometers such as, capacitive hygrometer and dry and wet bulb hygrometer respectively measure the humidity changes in the simulated laboratory (fiber hygrometer is based on fiber characteristics to measure air humidity; capacitive hygrometer is based on the conductivity of the environment The principle of changing the content of water molecules to measure air humidity; the dry and wet bulb hygrometer is based on the principle of evaporation, using two field parameters of ambient temperature and wet bulb temperature to determine the air humidity), simulating the dehumidification and humidifier of the cooling element in the laboratory with Bolt paste Humidify, configure a fan to ensure that the air is fully mixed. Through the designed related experiments, students can be familiar with the working principle of the basic hygrometer and cultivate the corresponding knowledge and skills and the ability of innovation and development. 1.2 Features The test bench is equipped with a simulation laboratory that simulates the change of atmospheric humidity, and uses a Bolt cooling element and a humidifier to quantitatively adjust the environmental humidity; There are four hygrometers with different principles on the experimental bench; The test bench is equipped with a fan to ensure that the air is fully mixed; In order to facilitate observation, the simulation laboratory is equipped with a fully transparent observation window to clearly reflect the process changes;