Hikvision DS-2TD1217B-3, DS-2TD2617B-6, DS-2TD2636B-13 User Manual

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How To Configure Temperature Screening

DS-2TDxxxxB-xx/Px Thermographic Camera with Blackbody

General Parameters

• Temperature Measurement Range

86°ꟷ113° F (30.0°ꟷ45.0° C)

• Temperature Measurement Accuracy

±0.3° C

• Camera Resolution and Focal Length

DS-2TD1217B-3/PA: Thermal: 160 × 120, Optical: 2688 × 1520, 3 mm

DS-2TD2617B-6/PA: Thermal: 160 × 120, Optical: 2688 × 1520, 6 mm

DS-2TD2636B-13/P: Thermal: 384 × 288, Optical: 2688 × 1520, 13 mm

• AI Face Detection

Multiple targets (up to 30) skin-surface temperature detections at the same time
(wearing masks does not affect this detection)

NOTE: The Face Detection feature does not identify individuals, but is used only to

target the facial area of human subjects for temperature readings.

• Operating Environment

A stable indoor environment without wind or direct sunlight

Working temperature: 50°ꟷ95° F (10°ꟷ35° C)

Installation

• Installation Cautions

The performance of this temperature-screening scheme is greatly affected by the
environment. This scheme applies only to indoor environments or scenarios with calm
air and consistent temperature. Besides, the relative installation location of devices and
the ambient light (too bright or too dark) greatly affect face detection accuracy. In order
to improve measurement accuracy and reach better human face detection
performance, the installation environment has to meet certain requirements:

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Black Body

and black body)

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- Select installation environments with one-direction path to ensure that cameras

capture the full faces of all passing persons.

- Select installation environments with stable and sufficient lighting conditions.

Supplementary light is required under backlight or insufficient lighting conditions to
ensure the clear visibility of facial features.

- Select indoor environments with calm air and consistent temperature. Outdoor

environments with rapid temperature changes are not recommended.

- If this scheme is used in entrance scenes that connect indoor and outdoor

environments, it is suggested that the installation location should be kept at a certain
distance from the entrance (such as customs or security checkpoints). Persons
coming in from outdoors should stay indoors for more than five minutes before the
measurement. In these ways, the influence of the outdoor temperature on
measured body surface temperature could be reduced.

- Avoid objects with high or low temperature placed in the scene.

- The devices should be installed firmly, thereby avoiding face detection and

temperature measurement errors caused by shaking.

• Camera Installation

The camera should be set right in front of the one-direction path, capturing the full
faces of passing persons. The installation height and the distance between the camera

and measured objects is dependent on the resolution and focal length of thermographic
camera, as shown in the following table.

Thermal

Resolution

160 * 120

384 * 288 13 mm 2.5 mꟷ7 m 1.7 mꟷ2.5 m

Thermal

Focal

Length

3 mm 0.8 mꟷ1.5 m

6 mm 1.5 mꟷ3 m

Recommended

Distance (between

human and camera)

Installation

Height

1.5 m

Elevation Angle

Requirements

≤20°

Installation Method

Tripod

Wall

Mount

Distance

(between camera

≤1 m

≤2.0 m

≤3.0 m

≤5.0 m

Black Body
Installation

Height

1.7 m

NOTE: There are tripods, tripod adapters, and wall mounts offered by Hikvision for

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flexible or fixed placement, but these items require additional purchase. Only
devices with resolution of 384*288 are recommended to be installed on the wall.

Figure 1, Tripod, Adapter, and Wall Mount

• Blackbody Installation

Installation Location

The recommended distance between the camera and the blackbody is in the above
table. The blackbody is recommended to be installed at a height of 1.7m, with an

elevation angle of within 15°. Ensure that the black body appears in the upper left /
upper right corner of the camera view. Make sure that the blackbody would not be
blocked by any other target during temperature measurement

.

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Figure 2, Camera Placement

Configuration Steps

1. Start up device.

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2. Press SEL for temperature setting.

3. Press UP and DOWN to adjust the temperature of the blackbody as 40° C.

4. Confirm your adjustment by pressing SEL again.

5. Wait until the displayed temperature value reaches 40° C and remains unchanged.

Configuration

• Select VCA Resource Type

1.

Enter VCA Resource Type interface: Configuration > System > Maintenance > VCA
Resource Type.

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Figure 3, Configuration > Maintenance > VCA Resource Type

2.

Select Body Thermometry as VCA Resource Type.

3.

Click Save and wait for device restart.

• Set Local Configuration

1.

Go to the Local Configuration interface: Configuration > Local.

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Figure 4, Configuration > Local

2.

Click to enable the following settings:

• Rules: Refers to the rules on your local browser; select Enable to display the

colored marks and temperature information when the face target is detected.

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• Display Rules Info. on Capture: Select Yes Display Rules Info on the capture.

• Display Temperature Info.: Select Yes to display temperature information with

temperature measurement rule configured.

• Display Temperature Info. on Capture: Select Yes to display temperature

information on the capture.

3.

Click Save.

• Body Thermography Settings

1.

Go to the Body Thermometry Settings interface: Body Thermometry > Basic
Settings.

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Figure 5, Configuration > Basic Settings

2.

Configure the following settings:

• Enable Temperature Measurement: Check this box to enable temperature

measurement.

• Display Temperature Info. on Stream: Check this box to display temperature

information on stream.

• Emissivity: The relative ability of material surface to emit energy by radiation.

For human skin, this value is normally set as 0.98.

• Distance: The actual distance between the camera and measured object.

3.

Click Save.

4.

Go to the Body Thermometry Settings interface: Body Thermometry > Body
Thermometry Configuration.

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5.

Select the optical camera channel (normally as Camera 01).

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Figure 6, Configuration > Basic Settings > Body Thermometry Configuration

6.

Configure the following settings:

• Enable Face Detection: Check this box to enable face detection function.

• Display Temperature: Check this box to display measured temperature.

• Upload Captured Face Image: Check this box to upload captured face image.

NOTE: Default setting is unchecked, face images will not be saved or

uploaded.

• Display Face Temperature Position: Check this box to display the point with

highest temperature in target frame.

• Configuration: Select as Targeting.

• Face Detection Parameters:

- Set Generation Speed and Sensitivity both as 5 for best detection

performance.

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- It is suggested to set Alarm When Temperature is above as 37.5° C and Pre-

Alarm Temperature as 37° C, or adjust to meet other requirements.

- Draw Area: Draw a rectangular area; only objects in this area would be

detected as targets for temperature measurement.

+ Press Max. Pupil Distance and Min. Pupil Distance to draw width filter

frame, thereby preventing false alarm caused by people’s being too close or
too far. This pupil filter is actually based on the pixel width of target frame.

7.

Click Save.

8.

Select the thermal camera channel (normally as Camera 02).

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Figure 7, Body Thermometry Configuration

9.

Configure the following settings:

• Black Body Parameters: If a blackbody is used for best performance of real+time

body temperature measurement correction, the following settings should be
configured.

+ Enable Blackbody Correction: Check this box if a blackbody is used for

temperature correction.

- Distance: The actual distance between the camera and the blackbody.

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- Set Temperature and Emissivity with the actual parameters of the used

blackbody.

- Draw Area: Put the correction point on the center of the blackbody. The

blackbody should be placed outside the human face detection area (blue box
in thermal channel, yellow box in optical channel) and inside the imaging
range of thermal camera (red box in optical channel).

• Body Temperature Compensation: Compensate the measured value according

to the real-time environment temperature.

- Enable: Check this box to enable body temperature compensation

- Compensation Type: Setting as Auto is suggested; in this way, auto

compensation and manual calibration value would both added to the
measured value.

+ Manual Calibration: The set value would be added to the measured value. (If

this value is set as 2° C and the measured value is 35° C, the displayed value
would be 37° C). See Manual Calibration below for details.

- Environment Temperature: Setting as Auto is suggested; in this way, the

environment temperature would be automatically measured.

10.

Click Save.

• Manual Calibration

Purpose:

The performance of this body thermography scheme offered by Hikvision would be
affected by different actual working environments, and the affect factors in most stable
environments could be regarded as a kind of system error. If needed, it is suggested
compensate through manual calibration, using the following steps.

1. Start up device.

2. Wait a period of time (more than 30 minutes) for preheating.

3. For 5 to 10 individuals, complete the following three steps, one-by-one:

• Use an ear thermometer or other specialized thermometer to get the real body
temperature, and record.

• Use the thermographic camera to get the body temperature of the same

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Real Body

Temperature/

°°°° C

Measured

Temperature/

°°°° C

Average

Value

(Manual Calibration)/

°°°° C

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individual, and record.

• Subtract these two numbers, and record the difference value.

4. Set Manual Calibration with the average value of these difference values in Body
Temperature Compensation.

Example:

If data recorded during the calibration process are as the following table,

Difference Value/°°°° C

36.8 36.3 0.5

37.0 36.5 0.5

36.8 36.2 0.6

36.9 36.4 0.5

37.2 36.8 0.4

0.5

thereby setting the Manual Calibration as 0.5° C.

Other Notes

• Before the device is used for actual body temperature measurement, run it for more

than 30 minutes for preheating.

• This product is used for preliminary screening of people with elevated skin-surface

temperature. If an alarm occurs, use a specialized medical thermometer for further
body temperature check.

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