Additel 282 User manual

282
Dual-Channel Reference Thermometer Readout

ADT282 Dual-Channel Reference Thermometer Readout
-------User Manual
[Version：2204V01]
Additel Corporation

STATEMENT
This user manual provides operating and safety instructions for the ADT282 Dual-Channel
Reference Thermometer Readout. To ensure correct operation and safety, please follow the
instructions in this manual. Additel Corporation reserves the right to change the contents and other
information contained in this manual without notice.

1
Content
1. Introduction...................................................................................................................................................................5
1.1 General Introduction ..................................................................................................................................................5
1.2 Model and function.....................................................................................................................................................6
1.3 Technical Specification...............................................................................................................................................6
1.3.1 General Technical Specifications.........................................................................................................................6
1.3.2 Technical Specifications of Signal Measurement (Environment Temperature: 20±10℃, 1 year accuracy)..........9
1.3.3 RTD Measurement............................................................................................................................................10
1.3.4 TC Measurement............................................................................................................................................... 11
1.4 Basic Structure ........................................................................................................................................................16
1.5 Accessory ................................................................................................................................................................18
1.6 Power Supply...........................................................................................................................................................19
2. Display and functions.................................................................................................................................................20
2.1 Main Display............................................................................................................................................................20
2.2 Control center..........................................................................................................................................................21
3. Thermometer...............................................................................................................................................................23
3.1 Temperature Measurement......................................................................................................................................24
3.1.1 TC Measurement..................................................................................................................................................24
3.1.2 TC Measurement Setup........................................................................................................................................24

3.1.3 RTD Measurement................................................................................................................................................25
3.1.4 RTD Measurement Setup .....................................................................................................................................25
3.1.5 Filter......................................................................................................................................................................26
3.1.6 Zeroing..................................................................................................................................................................27
3.1.7 Statistics ...............................................................................................................................................................27
4. System Settings..........................................................................................................................................................28
4.1 Bluetooth..................................................................................................................................................................28
4.2 Power Management.................................................................................................................................................28
4.2.1 Display Brightness.............................................................................................................................................28
4.2.2 Battery Information............................................................................................................................................28
4.2.3 Auto Backlight Off..............................................................................................................................................28
4.2.4 Auto Sleep.........................................................................................................................................................29
4.2.5 Auto power off....................................................................................................................................................29
4.3 Service.....................................................................................................................................................................29
4.3.1 Calibration.........................................................................................................................................................29
4.3.2 Maintenance......................................................................................................................................................30
4.3.3 Factory Reset....................................................................................................................................................30
4.4 Personalization........................................................................................................................................................30
4.4.1 System Sound...................................................................................................................................................30
4.4.2 Language ..........................................................................................................................................................31
4.4.3 Date & Time.......................................................................................................................................................31
4.5 About Product..........................................................................................................................................................32

3
5. Data Management .......................................................................................................................................................33
6. Applications ................................................................................................................................................................33
6.1 Temperature unit Converter.....................................................................................................................................33
6.2 Thermal calculator ...................................................................................................................................................33
6.3 Sensor Library .........................................................................................................................................................33
6.4 Data Logger.............................................................................................................................................................33
6.4.1 Logger Management .........................................................................................................................................34
6.4.2 The start of data logging....................................................................................................................................34
6.4.3 The operation of data logging............................................................................................................................35
6.4.4 Save the data....................................................................................................................................................37
6.5 Differential Temperature...........................................................................................................................................37

Safety Instructions
Warning:
To prevent the user from injury, please follow this user manual for use.
To prevent possible fire, electric shock or personal injury, please do as follows:
1. General:
Please read the user manual carefully before using the product, especially the “safety instruction”;
Please charge the battery when the low battery is displayed, to prevent incorrect measurement;
Please do not put the product in fire or short circuit the battery;
The voltage applied between the terminals or between any terminal and the grounding cannot exceed the rated
value;
Before using the product, please check the appearance of the product to ensure there is no damage;
If the product is damaged or malfunctions, please do not use it and contact Additel;
Never use the product in an explosive, steam or dust environment.
Attention：
To prevent damage the product or the device under tested, please obey this manual for use.
Do not use the product in a high vibration environment;
Use only the power adaptor provided by Additel for charging the battery;
If the product is abnormal, please stop using it and contact with Additel.

5
1. Introduction
1.1 General Introduction
ADT282 Reference Thermometer Readout delivers the best possible accuracies and features on your hand! It makes
it possible for high accuracy temperature measurement, continues logging, data analysis and curve display, and supports
plug and play of intelligent temperature probe. ADT282 has a sensor library with numerous temperature sensors, it is an
ideal substitute for standard primary mercury thermometer. With the 1 mK temperature resolution and 0.1mΩ/0.1uV
electrical resolution, it is the best choice for handheld reference multi-function thermometers both in field and in the
laboratory.
Contact us:
Additel Corporation
Tel: [phone]
www.additel.com

1.2 Model and function
Table 1 Dual-Channel Reference Thermometer Readout
Item ADT282
Dual-Channel Thermometer
●
Data log ●
1.3 Technical Specification
1.3.1 General Technical Specifications
Table 2 General technical Specifications
Item Specification
Display 5.0 inch 480*800TFT LCD capacitive screen
Dimensions 16.97" x 4.13" x 2.04" (177 mm x 105 mm x 52 mm)
Weight 1.5 lbs. (0.65 Kg)
Button 1 power button
Power Supply 1. 6600mAh, 23.8Wh lithium battery, battery pack can be charged independently.
2. Specific power adaptor, maximum current 1.5A

7
Charging By specific power adaptor, charging time 6 hours
Power consumption Maximum power 2W
Environment Specification guaranteed temperature range: (10~30)℃
Working Temperature: (-10~50)℃
Storage temperature: (-20~70)℃
Humidity: 0% ~ 95% RH, non-condensing
Maximum altitude: 3000m
Warm-up Time After 10 minutes of power on, specifications can be reached
Ports Protection Voltage 50Vmax
CE Certificate TUV IEC61326, IEC61010
Rohs Compliance Rohs II Directive 2011/65/EU, EN50581:2012
IP Protection Level IP67, 1 meter drop test
Vibration 5g for low and high frequency
Impact 8g
Salt spray test 48 hours

Refresh rate 3 times/s
Communication Isolate USB-TYPE C (slave), Bluetooth BLE
Input Channels Top: CH1, CH2 analog channel, 6 pins smart lemo ports；MINI-TC ports
Right: CHA, CHB digital channel, 5 pins smart lemo ports
Measuring Rates CH1, CH2 analog channels alternately and cyclically measure
RTD measuring rate: 1.6S/single channel, 1.6S/dual channel
TC measuring rate: 0.8S/single channel, 0.8S/dual channel
CHA, CHB digital channel simultaneously measure
RTD measurement 6 pins smart lemo ports for RTD probe and SPRT, plug and play
Use lemo adaptor for various SPRT and RTD
(0～400)Ω
4-wires measure, current reversal, excite current 1 mA
range: (-200～850)℃, highest resolution：0.001℃
TC measurement (-10～75)mV
range：（ -270～1800)℃, highest resolution：0.001℃

9
CJC type：fixed, internal or external
internal CJC
Barometric measurement Built-in barometric sensor(can be calibrated), range: (60~110)kPa.a, accuracy ±55Pa
Temperature sensor(for indication only)
1.3.2 Technical Specifications of Signal Measurement
Table 3 Technical Specifications of signal measurement (Environment Temperature: 20±10℃, 1 year accuracy)
Signal types Range Resolution Accuracy
RTD (0~400)Ω0.1mΩ ±0.5mΩ@（0~20Ω）, ±25ppm@（20~400Ω）
TC (-10~75)mV 0.1uV 50ppmRDG+2uV
Internal CJC NA NA ±0.15℃（-10℃~50℃Guarantee specification）
Barometer (60～110)kPa.a NA Annual accuracy ±55Pa
Notes：
1. When the environmental temperature is(-10~+10)℃and(30~50) ℃,the temperature coefficient is: Its temperature
coefficient is
（1）Simulate RTD measurement: ±2ppmFS/℃。
（2）Simulate TC measurement: ±5ppmFS/℃。

2. RTD measurement excitation: 4 wires measurement, current reversal, Excitation current: 1mA.
1.3.3 RTD Measurement
Table 4 RTD measurement (Environment temperature: 20±10℃)
RTD Types Temperature(℃)1 Year Accuracy(℃)
PT10(385) -200~850
-200~200 0.014
200~600 0.024
600~850 0.033
PT25(385) -200~850
-200~200 0.012
200~600 0.024
600~850 0.033
PT50(385) -200~850
-200~200 0.012
200~600 0.024
600~850 0.033
PT100(385)
PT100(391)
PT100(3916)
PT100(3926)
-200~850
-200~200 0.012
200~600 0.024
600~850 0.033

11
Cu10(427) -200~260 -200~260 0.013
Cu50(428) -50~150 -50~150 0.010
Cu100(428) -50~150 -50~150 0.010
Ni100(617)
Ni100(618)
-60~180 -60~0 0.005
0~180 0.007
Ni120 (672) -80~260 -80~260 0.007
Notes:
1. Conforms to the ITS90 international temperature standard, determined by the maximum tolerance of the RTD
measurement, excluding the accuracy of the probe;
2. After connecting the probe, the combined accuracy can be calculated directly after the RSS (root-sum-square) of the
probe accuracy and RTD measurement accuracy;
3. Additel provides intelligent short secondary PT100 probes.
1.3.4 TC Measurement
Table 5 TC measurement (Environment temperature: 20±10℃)
TC Types Temperature Range(℃)0℃CJC compensation
1 Year Accuracy(℃)
Internal CJC compensation
1 Year Accuracy(℃)

S -50~1768
-50~0 0.51 0.53
0~100 0.37 0.40
100~1768 0.28 0.32
R -50~1768
-50~0 0.54 0.56
0~200 0.38 0.41
200~1768 0.25 0.29
B 0~1820
200~300 1.01 1.02
300~500 0.66 0.68
500~800 0.41 0.44
800~1820 0.28 0.32
K -270~1372
-250~-200 0.48 0.50
-200~-100 0.15 0.21
-100~600 0.08 0.17
600~1372 0.14 0.21
N -270~1300 -250~-200 0.76 0.77

13
-200~-100 0.22 0.27
-100~1300 0.12 0.19
E -270~1000
-250~-200 0.26 0.30
-200~-100 0.10 0.18
-100~700 0.06 0.16
700~1000 0.08 0.17
J -210~1200
-210~-100 0.13 0.20
-100~700 0.06 0.16
700~1200 0.10 0.18
T -270~400
-250~-100 0.36 0.39
-100~0 0.08 0.17
0~400 0.05 0.16
C 0~2315
0~1000 0.16 0.22
1000~1800 0.26 0.30
1800~2315 0.42 0.45

D 0~2315
0~100 0.21 0.26
100~1200 0.16 0.22
1200~2000 0.27 0.31
2000~2315 0.42 0.45
G 0~2315
50~100 0.60 0.62
100~200 0.38 0.41
200~400 0.24 0.28
400~1500 0.16 0.22
1500~2315 0.32 0.35
L -200~900
-200~-100 0.07 0.17
-100~400 0.06 0.16
400~900 0.07 0.17
U -200~600 -200~0 0.14 0.21
0~600 0.05 0.16
LR -200~800 -200~0 0.09 0.17

15
0~800 0.06 0.16
A 0~2500
0~1200 0.20 0.25
1200~2000 0.33 0.36
2000~2500 0.48 0.50
Notes:
1. Conforms to the ITS90 international temperature standard, determined by the maximum tolerance of the TC mV
measurement, excluding the accuracy of the probe;
2. After connecting the probe, the combined accuracy can be calculated directly after the RSS (root-sum-square) of the
probe accuracy and RTD measurement accuracy;
3. Additel provides standard S-type TC probe with MINI-TC connector.

1.4 Basic Structure
Figure 1 Basic Structure