Dahua Thermal Body Temperature Monitoring Camera vs Hikvision
One type of security camera in today’s new normal era amid Covid-19 pandemic to support for your business continuity is the thermal body temperature camera. Dahua and Hikvision are two of the big vendors that produce several models of thermal body cameras. Which one gives better performance between Dahua vs Hikvision thermal body camera?
Before we discuss the two camera models, the following few paragraphs provide background why the thermal body camera is one of the supporting security cameras in the continuation of your business amid Covid-19 pandemic towards new normal.
How to Control Your Business amid Covid-19 pandemic
The difficult choice for business persons amid the covid-19 pandemic becomes challenging between maintaining businesses to keep production and saving people from covid-19 exposure. When you keep your business running, if you don’t treat health protocols, then it’s likely that everyone involved in the business will eventually be exposed to the virus, and consequently your business will stop. Vice versa if you stop your business activities then there is no production that will ultimately be a great loss for your business.
Safety protection for business survival
Covid-19 epidemic has hit the world globally with the scale of exposure depending on how good the country mitigates in anticipation of this virus outbreak. If the health protocol is prepared early in dealing with this epidemic the smaller the scale of the spread of this virus outbreak will be, including the initial steps of your country to stop the influx of people from other countries exposed to this Covid-19 outbreak.
Nearly the entire world has been exposed to this covid-19 pandemic and necessary lockdown has been put in place and now conditions have begun to gradually return to new normal.
How about the continuity of your business? This also depends on your country’s regulations in dealing with this pandemic, should the pandemic has spread throughout the country and your business will be affected or totally stopped so what’s next to do. And when new normal is implemented does not mean the virus has disappeared, no until no more single case is found. The spread of the virus will still go on depends on how you manage and control the situation to comply with the health protocol so that your business can start operating again.
Some steps to keep your business running must follow the health protocol steps to deal with against the spread of this pandemic.
- monitoring of people’s body temperature to ensure the temperature is normal by using thermal body temperature camera system
- limiting in the number of people inside the rooms / building to efficiently maintain the flow and number of people inside
- maintaining distance in essential activities to avoid people gathering
For large scale businesses, corporate / enterprise or public services should take action in controlling and support the smooth resumption of the businesses in facing the new normal to comply with the health protocol. So that’s why you need such kind of epidemic safety protection solution including the use of thermal body cameras.
Depends on your business requirement to face the new normal amid the Covid-19 pandemi the safety protection solution can cover the following points:
- Temperature monitoring solution to assure that only healthy individuals can enter the business facility
- People flow control to avoid number of people exceeds the preset number
- Social distancing reminder solution to avoid close and physical contact to reduce the risk of cross infection between people
1. Temperature monitoring solution
Make sure that all people who are entitled to enter the business facilities, business room are those who are healthy by recognizing that their body temperatures are normal. For that you need thermal body camera system that can provide an early warning that someone with a temperature exceeding the normal threshold is trying to enter your business room / facility.
• Provides safe, efficient and accurate temperature monitoring
• Offers non-contact screening with up to certain safe distance, allowing quick passage
• Supports multi-person detection at the same time
• Supports visual abnormal alert to facilitate back-tracking
• Features non-mask detection for intelligent control
Dahua and Hikvision offer various models of monitoring solutions that integrates face recognition and temperature monitoring technology to support your business to face new normal. With this data integration you require large storage capacity of face images and temperature information for easy back-tracking.
2. People flow control Solution
In new normal you need to follow health protocol not to allow more than certain number of people (the threshold you need to set) inside the room at the same time. So when the number of people inside the room exceeds the threshold there must be such type of reminder system for the people in row to wait outside. This solution is to reduce the risk of cross infection that can be caused by direct contact between people.
3. Social distancing reminder solution
One thing that is rather difficult to implement is to maintain a safe distance between individuals to reduce the risk of cross infection between people who are close to each other unless everyone has awakened awareness to always maintain a safe distance. So we need a system that can provide a warning alarm when the safe distance between two people is less than the preset value.
We do not discuss in more detail how your business policy or district regulation where your business is located, but we will discuss one of the systems used to support the new normal, the thermal body camera offered by Dahua and Hikvision.
Dahua vs Hikvision Thermal body camera
Dahua offers several models of thermal body temperature cameras and the one that we will discuss here is Dahua TPC-BF2221 one of Lite series of thermal body temperature cameras which we will then compare it with one of the thermal body camera products offered by Hikvision – the Hikvision DS-2TD2617B-6/PA body temperature camera .
Take a look at the following two spec comparison tables, table 1 shows you spec comparison between Dahua and Hikvision thermal module and table 2 shows you spec comparison between Dahua and Hikvision optical module. Both thermal body temperature cameras consist of thermal module and optical camera module in one thermal body camera device.
Both of these camera models are a combination of thermal camera and optical camera in one body called a hybrid thermal camera, so there are two types of image sensor – the thermal sensor and image sensor. Both of the two cameras come with the same thermal sensor – the Vanadium oxide (VOx) uncooled thermal sensor technology but with different effective pixel size.
Dahua offers two models with different focal lengths of each of the thermal and visual cameras as shown in the lens table. Hikvision offers one focal length either the thermal camera or the optical camera, no option for focal lengths.
See that Hikvision offers larger size of thermal sensor and optical sensor and higher recording resolution. The optical camera Hikvision offers 4MP (2k), twice as high resolution as Dahua.
Each of cameras comes with different types of WDR (wide dynamic range) technology.
Wide dynamic range (WDR) is used to compensate the image due to two conditions between the dark shade and excessive light in one image so that if there is no compensation there will be too dark image at the shade side, or too bright image at the excessive light side.
In camera industry, there are two models of WDR – the true WDR and DWDR (digital WDR). The true WDR is the optical WDR and combined with digital improvement. On the other hand, the cameras with DWDR only rely on software processing for dynamic range compensation inside the camera.
Which one is better? Of course true WDR provides better image results which relies on optical mechanical compensation and is enriched with software. Dahua TPC-BF2221 thermal body temperature camera comes with DWDR, while Hikvision Ds-2td2617b-6/Pa comes with 120dB WDR.
Another advantage of Hikvision thermal body camera is the smart feature of face detection and face mask detection up to 30 faces at the same time. With face mask detection feature Hikvision detects up to 30 individuals without mask at a time.
Depending on the health protocol policy that you are implementing in the new normal era, you can combine it with a Pre-recorded Voice alarm when there is a detection of body temperature above the threshold or some people who are detected do not wear masks.
Table 1 Dahua vs Hikvision Thermal Module
|Thermal camera||Dahua TPC-BF2221||Hikvision DS-2TD2617B-6/PA|
|Thermal sensor||VOx uncooled thermal sensor technology||Vanadium oxide (VOx) uncooled focal plane arrays|
|Effective pixel||256 x 192||320 x 240|
|Thermal sensitivity (NETD)||≤50mK@f/1.0||≤40 mK (@ 25° C, F# = 1.1)|
|Focal length||3.5mm / 7.0mm||6.2mm|
|Field of view||3.5mm = H: 50.6° / V: 37.8° 7.0mm = H: 24.0° / V: 18.0°||H: 25.0° V: 18.7°|
|Temperature Measurement Range||30°C to 45°C (86°F to 113°F)||86°ꟷ113° F (30.0°ꟷ45.0° C)|
|Temperature accuracy||±0.3°C (with black body) when the environment temperature is 10°C to 30°C (50°F to 86°F)||w/DS-2TE127-G4A Blackbody: ±0.5° F (±0.3° C) at 4.92 ft to 9.84 ft (1.5 m to 3 m) w/o DS-2TE127-G4A Blackbody: ±0.9° F (±0.5° C) at 4.92 ft to 9.84 ft (1.5 m to 3 m)|
Table 2 Dahua vs Hikvision Optical Module
|Visual Camera||Dahua TPC-BF2221||Hikvision DS-2TD2617B-6/PA|
|Resolution||2MP (1920 x 1080) @25 fps||4MP (2688 x 1520) @30 fps|
|Lens||4.0mm f2.0 / 8.0mm f1.9||8.0mm|
|View angle||H: 80°, V: 45° (4.0mm) H: 40°, V: 22° (8.0mm)||H: 39.42°, V: 22.14°|
|Minimum illuminations||Color: 0.005Lux; B/W: 0.0005Lux; 0Lux (IR on)||Color: 0.0089 lux @ (ƒ/1.6, AGC on), B/W: 0.0018 lux @ (ƒ/1.6, AGC on)|
|Night vision||1x IR LED distance 35m (4.0mm ) / 50m (8.0mm)||IR LEDs distance up to 131ft (40m)|
|Audio||1xIn / 1x Out interfaces||In /Out interfaces|
|Alarm||2/2 In/ Out||Input: 2-ch In Output: 2-ch relay output with Alarm Action: SD recording/relay output/smart capture/FTP upload/e-mail linkage/audio alarm/strobe light alarm|
|Local memory storage||microSD/SDHC/SDXC card (up to 256 GB)||microSD/SDHC/SDXC card (up to 128 GB)|
|Protection||IP67 weatherproof Defog||IP66 weatherproof TVS 6000 V lightning protection, surge protection, voltage transient protection|
|Smart features||IVS: tripwire, intrusion Fire detection & alarm, Cold/Hot spot trace, Human/Vehicle classification, Smoking detection||Face detection and face mask detection Up to 30 faces at a time Pre-recorded Voice alarm|
|Price (Jun 2020 – Amazon)||$2477.00||$5599.00|
For more details, please learn more technical specs detail of each of the two products by following the product link below which in general Hikvision is superior to Dahua, whose price is also twice that of Dahua.
To support your home / small business environment, you may like to consider Annke or Reolink ip security cameras which offer affordable camera products in the market. And to support your front door, you may like Arlo video doorbell vs Ring vs Eufi. For covering the whole area, you may also like auto tracking ptz cameras for 360 degree area to monitor.