The ZCWDT-19 intelligent multi-point temperature and humidity inspection instrument fully meets the requirements of the "JJF1101-2019 Environmental Testing Equipment Temperature and Humidity Parameter Calibration Specification", "JJF1030-2010 Constant Temperature Bath Technical Performance Testing Specification", and technical standards and calibration specifications such as GB9452-88 and JB/T5502-91, and also fully considers the convenience and practicality of testing personnel's actual operation. The "Smart Multi point Temperature and Humidity Inspection Instrument" will provide advanced and reliable modern testing, analysis, and management methods for production, scientific research, and measurement fields.

Technical parameters:

Host technical parameters:

1. Single module: 9-channel thermocouple and thermal resistor, 4-channel humidity sensor, 1-channel cold end compensation; (Modules can be expanded according to requirements).

2. Thermocouple resolution: 0.001 ℃

3. Thermal resistance resolution: 0.001 ℃

4. Measurement accuracy: ± 0.05%

5. Communication method: Ethernet WIFI、4G、RS485

6. The system can use multiple temperature measuring components: thermocouple: S、R、B、K、N、E、J、T； Thermistor: Pt100, Pt10 can be selected according to the temperature measuring element.

7. External cold end compensation treatment: The temperature and humidity field automatic testing system uses an external four wire PT100 with an accuracy better than 0.2 ℃ as the cold end compensation for the thermocouple measurement channel.

8. Power supply method: Equipped with a large capacity lithium battery, with a standby time of 12 hours.

9. Dimensions: 192mm × 136mm × 45mm

Sensor technical parameters:

1. Temperature measuring platinum resistance specifications: Pt100, Class A, measuring wire 5m, temperature measuring range:- 60 ℃ to 300 ℃.

2. Thermocouple specifications for temperature measurement: armored, K-type, with a diameter of 3 and a grade of I, capable of withstanding temperatures up to 1100 ℃, L=3m， Lead wire 2m (temperature range, diameter, length can be customized)

3. Humidity sensor specifications:

Accuracy: ± 0.8% RH, ± 0.1 ℃ (20 ℃)

Measurement range: Humidity range: 10% RH to 100% RH

Temperature range: (Pt100-60 ℃~350 ℃), (K-type thermocouple 300 ℃~1100 ℃)

Probe: PPS, Pt100 with a diameter of 4 * 50, cable: 5m, thermocouple: wire diameter of 2mm

Performance characteristics:

1. The data collector adopts a 7.0-inch LCD touch screen and a capacitive touch screen to display its configuration and real-time data (including temperature, curve, and test result display modes that can be switched freely).

2. The work site does not require a supporting PC, and the multi-channel data collector can independently complete data collection and storage work, and transmit experimental data to the cloud in real time and to the PC for display and analysis, and generate certificates and original records.

3. One host can simultaneously support 2 module combinations for measuring 18 thermal resistors and thermocouples, as well as 8 humidity sensors, which almost meets most application scenarios (can calibrate multiple boxes simultaneously, saving valuable on-site testing time).

4. One host can collect data from 5 modules separately (multiple boxes can be calibrated simultaneously, saving valuable on-site testing time).

5. The sensor connection method adopts a push-pull aviation socket connection, with a contact resistance of less than 0.005 Ω, which is simple, fast, and ensures the reliability and performance indicators of the system connection.

6. Special specifications of sensors can be optionally selected. The company can provide various special specifications of temperature sensors to meet the needs of different occasions.

7. The system meets the technical specifications requirements of the national calibration standard JJF1101-2019. Automatically calculate temperature and humidity deviation, uniformity, and fluctuation to generate original records that meet the requirements of national laboratory accreditation. The software provides templates and interfaces for modifying original records, calibration or verification certificates for easy modification. Automatically perform reference compensation and correction of sensor calibration data.

8. The instrument comes with environmental temperature, humidity, and atmospheric pressure measurement, which can display the current environmental temperature, humidity, and atmospheric pressure in real time.

9. The device comes with Ethernet and can upload test data in batches to the metrology management system through the local area network.

10. Equipped with GPS function, the instrument picks up the corresponding test information based on GPS latitude and longitude coordinates, and the LCD screen will display the specific information of the test, such as unit name, instrument name, manufacturer, calibration date, etc.

11. The 4G transmission function can transfer measurement data to the cloud and transmit it in real time to the PC for display and analysis, and generate certificates and original records.

Measurement management platform:

The metrology management platform is a comprehensive software platform that integrates data input, processing, analysis, and report generation. It aims to help enterprises achieve automation, informatization, and intelligence in metrology work. Its main functions include data input and storage, data processing and analysis, report generation and export, etc. It is widely used in metrology management work in various industries.

1. Homepage: including login information, notifications and announcements, to-do list, approval progress, recent experiments, today's experiments, experiment statistics, equipment expiration, etc.

2. Basic information: Management of relevant basic data for experimental operation, management of commissioning units, storage location information, and sample information.

3. Equipment ledger: Due to the variety of measuring instruments, complex sources, allocation from other projects, subcontracting, and procurement from different regions in the project, it is particularly important to establish a measuring instrument ledger and instrument file, which is also the fundamental work of measuring instrument management.

4. Calibration and verification: Certificate editing supports multiple data entry methods, such as automatic device upload, manual input, and file import, ensuring fast and accurate data entry. Certificate viewing allows for the review and approval of certificates. Certificate printing supports generating reports in various formats according to user needs, including tables, charts, etc. Users can also export reports to common file formats for convenient data sharing and transmission.

5. Statistical query and analysis: Equipped with various data processing and analysis tools, it can automatically process, statistically analyze, and trend predict the entered measurement data, helping users quickly obtain valuable information.

6. Quality assurance management: project initiation and qualification management, calibration standards, printing templates and other quality data management.

7. Logistics management: facilitates the management of company logistics related data by users, such as company documents, information materials, procurement management, supplier management, etc.

8. System management: Basic data management for system operation, role management, department management, user management, menu management, system settings, etc.

9. Customer service system: WeChat system, QR code progress inquiry system, online inquiry system, customer measuring instrument management system, certificate verification system, self-service download system, complaints and suggestions, etc.