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I. Product Introduction

DTSL Pro-svr3 fully automatic temperature and humidity meter calibration system is a new fully automatic thermo-hygrometer photo identification and calibration system independently developed by DEARTO. The system is a fully automatic calibration device composed of DEARTO's full range of temperature and humidity calibration chambers, precision dew point meters, precision digital thermometers, camera robots and automatic identification systems.

DTSL Pro-svr3 fully automatic thermo-hygrometer calibration system supports automatic positioning, automatic photography, automatic collection, automatic identification, automatic calculation, and automatic judgment. It can complete the entire calibration process automatically without manual intervention and can realize unattended detection mode. This device can automatically control the temperature and humidity of the calibration chamber, monitor the temperature and humidity values of the calibration box in real time through a dew point meter, and automatically make stability judgments. After meeting the stable conditions, the system automatically controls the camera robot, data collection device, automatic identification system, temperature and humidity calibration box, precision dew point meter, etc. to position them in sequence to the thermometer being tested. It has a built-in intelligent rotation positioning device that automatically receives the controller signal and realizes data automation. Collect, take photos, archive and automatically identify the temperature and humidity values, and automatically enter them into the host computer. Based on the inspection of the calibration points, the calibration results and calibration conclusions are automatically calculated.

II. Main implementation of calibration regulations:

"JJG 205-2005 Calibration Regulations for Mechanical Thermohygrometer"

"JJF1076-2020 Calibration Specifications for Digital Thermohygrometer"

"JJF1564-2016 Calibration Specifications for Temperature and Humidity Standard Chamber"

III. Main features of the system

1. Unattended - fully automatic verification/calibration

Complete the entire calibration process fully automatically without manual intervention, improving work efficiency and reducing labor costs; automatically perform multi-point temperature and humidity control, automatically position and photograph the temperature and humidity meter, automatically identify the digital temperature and humidity meter, and automatically calculate the calibration results And determine the calibration conclusion to realize intelligent control of the equipment.

2. Stable performance, data security and reliability

The system uses a high-definition camera to take pictures of the temperature and humidity meter, and uses artificial intelligence and software-specific algorithms to automatically identify temperature and humidity values. At the same time, it archives the original pictures and identification data, which is more stable and reliable and can solve the reading errors, reading deviations, and readings caused by traditional manual readings. Data cannot be reviewed.

3. Artificial intelligence learning ability

The biggest advantage of the system is its automatic learning ability, and the recognition of new temperature and humidity meters can be added later. The identification part has an independent module and can be independently upgraded. For new thermometers and hygrometers, users only need to provide pictures of the thermometer and hygrometer. After training, the automatic identification of the new thermometer and hygrometer can be realized by upgrading the identification module.

4. High recognition efficiency

The temperature and humidity calibration chamber in the system will be controlled sequentially according to the calibration points required by the regulations. When each calibration point is stable, the system can automatically collect according to the stabilization time set by the user. During the entire calibration process, the time for photographing and identifying is basically negligible compared to the time for temperature and humidity control and stabilization.

5. Database management functions

In the database management software, enter the inspection information of the inspection order into the database, select the temperature and humidity meters that need to be calibrated this round, and then automatically arrange and combine them through the operating software, and hang the meters on the inner cylinder rack in the temperature and humidity box. Corresponding hole position, and set the control point of the temperature and humidity controller to the data point that needs to be calibrated. After starting work, the identification data and images can be automatically identified and uploaded. Editing, querying, and deletion can be realized in the database management software. And it can export Office documents to realize data electronic document storage.

1)This software uses the MySql database, which can realize online testing inside and outside the network, facilitate laboratory data management in different locations, and realize data sharing and multi-machine operation.

2)The database management software can use the image scanning and input function to automatically input the valid information of the inspection form into the information column. The operation is convenient and fast, reducing the tedious workload.

3)The database operation software can import the original calibration data into excel documents and establish the traceability of the data.

4)The calibration and testing software can intelligently analyze the properties of temperature and humidity instruments (digital display, pointer), and identify and display effective information to facilitate the calibration staff's analysis and judgment. 

IV. Dedicated software system functions

1. Fully automatic temperature and humidity control: supports custom settings for multiple temperature and humidity point calibrations; one-click startup can automatically control temperature and humidity in the calibration chamber, and automatically take photos for calibration; supports selection of procedures for default temperature and humidity point calibration ;Supports custom modification of temperature and humidity points during the calibration process, and the system automatically continues the calibration according to user settings.

2. Compatible with different types of standards: supports multiple brands of precision dew point meters and precision digital thermometers, and the system automatically collects standard data.

3. Dual positioning: support automatic positioning and manual positioning of temperature and humidity meter, automatic positioning of temperature and humidity meter and photo identification during verification.

4. Complete the whole verification process automatically: support automatic photography, automatic identification, automatic calculation and automatic determination, and directly obtain verification results after verification.

5. Data review function: it supports manual review of verification data, can modify picture data, and automatically recalculate verification results after modification.

6. Custom report template: support export verification report, support custom report template.

7. Modular database management: support the digital archiving of temperature and hygrometer information, verification data and image data, and save all data in the database.

8. Centralized management: supports centralized management of Thermo-hygrometer submitted for inspection and automatic scanning and entry of information.

V. System software operation interface

VI. A variety of working modes can be provided to support customized selection according to different needs and working scenarios.

DTSL Pro fully automatic temperature and humidity meter calibration system allows customers to customize the working mode according to different usage needs and different working scenarios.

Mode 1: Unattended-automatic photo taking system（DTSL Pro-svr2）

The system automatically controls the temperature and humidity of the calibration chamber, monitors the temperature and humidity values of the calibration chamber in real time through a dew point meter, and automatically makes stability judgments. After the stability conditions are met, the system automatically controls the camera robot and camera to locate each thermometer under inspection in order to take photos and archive them. When all calibration points are completed and the data processing page is entered, the user only needs to spend a few minutes to enter the inspected data based on the inspected pictures, and the system will automatically calculate the verification results and give the calibration conclusion.

Mode 2: Automatic control calibration system（DTSL Pro-svr1）

The system automatically controls the temperature and humidity of the calibration chamber, monitors the temperature and humidity values of the calibration chamber in real time through a dew point meter, and automatically makes stability judgments. After the stability conditions are met, the system automatically collects standard data, and the user can manually input the calibration data. After the calibration is completed, the system automatically calculates the calibration results and gives the calibration conclusion.

Mode 3: Data processing calibration system（DTSL Pro-svr0）

Set the temperature and humidity of the calibration chamber independently. After the equipment is stable, manually input the tested data into the system. After the input is completed, the system automatically calculates the calibration results. (Note: The mechanical thermometer and hygrometer is calibrated twice to calculate the average value, and the digital thermohygrometer is calibrated three times to calculate the average value.)

Main function selection for multiple working modes：