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DEARTO-Professional manufacturer of temperature and humidity measuring instruments
Tai'an Detu Automation Instrument Co., Ltd.

0538-5089056

DTLH-230BG Type Oversized Temperature Humidity Standard Chamber


Temperature Humidity Standard Chamber

         temperature humidity sensor


◇ Introduction ◇ Function◇ Parameter◇ Product order◇ Download◇ Related products

Introduction

DTLH-230BG Type Oversized Temperature Humidity Standard Chamber is a special verification device for detecting hair Thermohygrometer, wet and dry bulb thermometers, digital Thermohygrometer, and other various temperature humidity sensors. The equipment is accurately measured by a temperature and humidity sensor and controlled by an industrial programmable controller, which can automatically adjust the humidity in the Temperature Humidity Standard Chamber. With high control and test accuracy, it can provide continuous and repeatable humidity measurement, suitable for scientific research and product testing.

Execution verification regulation

“JJF1076-2020 digital thermohygrometer calibration specification”“JJG205-2005 mechanical thermohygrometer verification regulation”“JJF1564-2016 temperature and humidity standard chamber calibration specification”

Temperature Humidity Standard Chamber

Product function

HD touch screen:Using high-resolution capacitive screen, the display is clearer, multi-touch support, in line with customer mobile phone touch operation habits.

Wifi control:Mobile phone / pad remotely set the temperature and humidity, start and stop the device, read the current temperature and humidity values and fluctuations and other device status.

Status prompt:Real-time calculation and display of temperature and humidity fluctuations, prompt to reach a stable state, U disk insertion detection, wifi connection prompt.

Curve display:Real-time display of temperature and humidity curve, support touch zoom and pan operation, one-key screenshot to save the curve to U disk.

Data record:The temperature and humidity data are automatically saved in xls format and exported to a USB flash drive with one click.

Timed start:The system has the function of timing start-up, which can realize the equipment start-up before work, and start working immediately after work without waiting.

Multi-point calibration:Supports multi-point calibration of temperature and humidity sensors, and can perform multi-point corrections on temperature sensor indications to ensure consistency with the standard.

Segment control:The temperature and humidity are controlled by a segmented PID, which is fast and stable, and "zero" overshoot. The rapid and stable humidity rise from 40% RH to 60% RH takes only 15 minutes.

Fan speed regulation:The main circulation fan of the inner cavity adopts frequency conversion speed control, and the fan speed can be set through the touch screen.

Multiple protection alarm:Constant temperature tank overheating protection, liquid level alarm; reminder of water shortage in replenishing tank; compressor overheating alarm, start-stop protection function.

Communication extension:Equipped with network port, wifi interface, USB interface, RS-232 interface, can communicate with PC to realize data reading and system setting.

Product advantages:

Excellent technology

Humidity control adopts the shunt method humidity generation principle. Compared with the dual temperature method humidity generation principle, the time required for stability is greatly shortened and the verification efficiency is improved.

Temperature control adopts liquid bath constant temperature and isothermal plate heating technology, liquid medium heat radiation, the temperature is more constant, and the temperature field is more uniform.

The unique air circuit circulation design inside the measurement cavity ensures that there is no dead angle air flow; the frequency conversion technology is used to adjust the speed of the fan to ensure that the internal temperature field is even at low speed;

Product intelligence

Integration of measurement technology and internet of things technology, wifi remote control, make measurement easier.

High-definition touch screen control, multi-touch, greatly improve the user experience.

One-key start, fully automatic control, shorten the training period of measurement personnel.

Timing switch machine, remote switch machine, save time and improve verification efficiency.

Excellent quality

The outer shell adopts thick plate phosphating, passivation, spray plastic, anti-corrosion, anti-rust, salt spray resistance.

○ Can be upgraded to an automatic verification system

With the combination of intelligent image acquisition robot, dew point meter and industrial control computer, it can be upgraded to an automatic verification system of intelligent temperature and humidity meter, which realizes the verification process automation, automatic record saving and report generation. It frees the measurement personnel from the reading and recording of the temperature and humidity meter, greatly improving the verification efficiency and reducing the labor cost.

Certificate of patent for utility model/Registration certificate of software copyright

Thermohygrometer Calibration Chamber certificate

Intelligent application

temperature humidity sensor data charttemperature humidity sensor data charttemperature humidity sensor data chart
              Segment PID control                        Device self-tuningMulti-point temperature and humidity correct

 Etalon selection table

temperature humidity sensor

Technical Parameters

Model

DTLH-2RH5G

DTLH-25BG

DTLH-28BG

DTLH-215BG

DTLH-220BG

DTLH-230BG

Performance

Temperature range  

-30℃~65℃ -30℃~75℃ -30℃~80℃

-5℃~65℃

-8℃~65℃

-15℃~65℃

-20℃~65℃

-30℃~65℃ -30℃~75℃ -30℃~80℃

Resolution  

0.01℃

Humidity range

5%RH~95%Rh (@20℃)

10%RH~95%Rh(@20℃)

   Support customization

Resolution

0.01%RH

Temperature fluctuation

≤±0.1℃(@15℃、@20℃、@30℃)Special indicators can be customized

Temperature uniformity

≤0.2℃(@15℃、@20℃、@30℃)Special indicators can be customized

Humidity fluctuation

≤±0.5%RH (20℃)

   Special indicators can be customized

Humidity uniformity

≤0.8% RH (@20℃,10%RH~80%RH );

   ≤1.0% RH (@20℃,80%RH~95%RH )

Studio internal dimensions

820mm ×800mm ×510mm

Dimensions

1700mm ×1000mm ×1300mm

Weight

450kg

Main features

Intelligent programming function

With multi-segment programming function, common temperature and humidity calibration points can be programmed into the verification box in advance, and can be started with one key (timed start), which is automatically executed in sequence; there is no need to repeatedly set the temperature and humidity points every time.

Mobile phone control function (WiFi control)

Equipped with mobile phone APP software, you can remotely control the temperature and humidity verification through the mobile phone; read the current temperature and humidity values and the running status of the verification box in real time;

PC remote function (network port / WiFi / serial port)

Equipped with computer software (optional), you can remotely control the temperature and humidity verification through the computer; read the current temperature and humidity values and the running status of the test box in real time; you can set the temperature and humidity values remotely; start and stop the temperature and humidity test box remotely; the measurement teacher does not need to stare Check the box, check the status; in the process of stabilizing the check box, you can also do other work. You only need to look at the computer screen remotely, liberating the measurement staff and improving the efficiency of the measurement work.

Volatility automatic calculation

1. With automatic real-time calculation of fluctuation degree, it can automatically calculate the fluctuation of the current temperature and humidity of the temperature and humidity verification box, determine whether the verification box is stable, and can start the measurement and calibration work.

   2. The fluctuation calculation period can be set freely (1min, 5min, 10min, 20min, 30min), in accordance with the usage habits of different measurement teachers, and the stability of the test box can be judged according to different periods.

Stability tips

With intelligent stability prompt function, you can automatically judge whether the test box is stable according to the parameters such as temperature and humidity deviation, fluctuation, and stability time of the test box. After stabilization, a green prompt "temperature and humidity has stabilized" appears on the screen as a reference for the measurement teacher to start reading To improve the efficiency of verification.。

Maintenance function

The verification box will perform automatic anti-rust maintenance on the internal proportional valves, atomizers and other parts of the equipment according to the internal logic to reach the maintenance cycle and spare parts replacement cycle.

Curve zoom function (save curve)

Touch screen, support multi-touch, you can use two fingers to drag and zoom to view partial and overall curve details (same way as mobile phone zoom picture); curve supports one-click screenshot, save curve data into picture format, as maintenance,data process records.

Segmented PID control

The temperature is controlled by multi-stage PID, and the temperature control effect is better (small overshoot, rapid adjustment, and small fluctuation), and the humidity is controlled by multi-stage PID, which has good control effect.

Data logging / export (USB)

Insert the U disk, you can automatically record the operating data of the verification box, temperature and humidity curve data, form an EXCEL table, and export to the U disk with one click.

Curve display

High speed sampling smooth curve

Multiple protection

Compressor start-stop, overheat protection (over-temperature protection), anti-drying protection, low liquid level reminder to add water reminder, automatic fluid replenishment can have multiple protection functions

Multi-point correction

Wide range of correction points, smaller deviation and good linearity

Equipped with frequency conversion fan, regular start-up function, and can be upgraded to an automatic temperature and humidity verification system.

Sensors for control

Precision platinum resistance temperature sensor, Potronic temperature and humidity sensor

Display

7 inch HD touch screen

Temperature control method

Liquid bath constant temperature isothermal plate heating technology

Humidity control

Shunt humidity generation

Observation window / operation hole

3 observation windows, 2 operation holes

Cabinet composition

Shell 

Pickling spray

Liner

SUS304 brushed

Seal

Medical grade silicone

Glass

3C certified 5-layer vacuum high permeability tempered glass

Alarm prompt

Real-time display of fluctuation degree, stable state prompt, lack of prompt, low liquid level prompt, medium overheat protection, compressor overheat protection

Power supply and power

AC220V ± 5% 50Hz peak power 5KW typical power 3KW

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DTLH-230BG Type Oversized Temperature Humidity Standard Chamber
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Contact us

DEARTO QR codeHeadquarter Address Tai'an High-tech Development Zone,  Shandong Province 
Telephon :+86 0538-5089056  +86 13953856217 
Fax : +86 0538-5059718 
After sale:+86 0538-5050959
Website : m.auto-surfer.com 
E-mail   :  tadtzdh@dearto.cn

Copyright? Tai'an Detu Automation Instrument Co., Ltd.             Lu ICP 14024757-1           Business license inquiry

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