Additel is revolutionizing the industry with their model 286 Multifunction Reference Thermometer Readout. The ADT286 merges the abilities a high-end reference thermometer with a data acquisition system and 8.5 digit multimeter into one innovative device. Users can scan and record up to 82 channels at 10 channels per second. The readout can be effortlessly configured to perform field calibrations and uniformity studies, and can still be utilized as a precision thermometer and 8.5 digit multimeter. Save time, money and effort with the Additel ADT286 Multifunction Reference Thermometer Readout.
Specifications
General Specifications
Specification
Description
Voltage
100V Setting 90V to 110V
120V Setting 108V to 132V
220V Setting 198V to 242V
240V Setting 216V to 264V
Frequency
47Hz to 440Hz.Automatically sensed at power-on
Power Consumption
40VA peak (30Watt average)
Temperature
Operating : 0°C to 50°C
Full accuracy :18°C to 28°C
Storage : -20°C to 70°C
Warm-up
90 mins for full uncertainty specifications
Relative Humidity (non-condensing)
Operating :
0°C to 28°C < 90%
28°C to 40°C < 75%
40°C to 50°C < 50%
Storage :
-20°C to 70°C < 95%
Altitude
Operating : 2000 m
Storage : 12000 m
Vibration and Shock
Complies with MIL-28800F Class 3
Input Protection
50V all functions, ranges and terminals
Communication
USB-A , USB-B , RJ45 , WiFi , Bluetooth
Memory
10G - All data stored with time stamps
Localization
English , Chinese
Display
10.1 in (256 mm) TFT color display
Size (H x W x D)
9.8 in (250 mm) x 16.5 in (420 mm) x 7.9 in (200 mm)
Weight
18.5 lb ( 8.39 kg)
Other Conformities
CE
Measurement Specifications
Specification Conditions:
90 mins Warm-Up TIme / Enviroment Temperature (18-28) °C
The following specifications apply for the front panel, after at least 90 minutes warm-up.
24-hour specifications are relative to calibration standards and assume a controlled electromagnetic environment per EN 61326.
Resistance Ratio Accuracy (Rx/Rs) using External Rs
Range
Reference Resistance
Ratio (Rx/Rs)
1 Year (23 ± 5) °Cppm of Reading
100 Ω
25 Ω
2.00-4.00
1.5
1.10-2.00
0.85
0.90-1.10
0.6
0.50-0.90
1.5
0.25-0.50
2.5
400 Ω
100 Ω
2.00-4.00
2
1.10-2.00
0.81
0.90-1.10
0.26
0.50-0.90
0.95
0.25-0.50
1.2
SPRT/PRT Measurement Accuracy using External Rs
SPRT/PRT Type
External Reference Resistance
Temperature (°C) °
Resistance Ratio (Rx/Rs)
1 Year(23 ± 5) °C ppm of reading
Equivalent to Temperature (mK)
PT25
25 Ω
-189.3442
0.22
2.5
0.13
-38.8344
0.84
1.5
0.32
0.01
1
0.6
0.15
231.928
1.89
0.85
0.44
419.527
2.57
1.5
1.11
660.323
3.37
1.5
1.58
PT100
100 Ω
-189.3442
0.22
1.2
0.07
-38.8344
0.84
0.95
0.2
0.01
1
0.26
0.07
231.928
1.89
0.81
0.42
419.527
2.57
2
1.47
660.323
3.37
2
2.11
[1] The PT25 indicator is based on a nominal resistance of 25 Ω for Rx.
[2] The PT100 indicator is based on a nominal resistance of 100 Ω for Rx.
[3] The uncertainty of external Rs is not included. The user may choose the ADT280-RS-25/100 standard resistor as external Rs, which has an accuracy of 5 ppm at (23±2) °C.
Resistance Accuracy using Internal Rs
Measurement Range
Scanning Speed
Resolution
24 Hour (23 ±1) °C
90 Days (23 ± 5) °C
1 year (23 ± 5) °C
Excitation Currert
Temperature Coefficient
( 0~100 ) Ω
Slow Speed
0.01 mΩ
3 ppm or 0.2 mΩ
12 ppm or 0.35 mΩ
15 ppm or 0.35 mΩ
±1 mA/±12 V
3 ppm + 0.01 mΩ
Medium Speed
0.01 mΩ
3 ppm or 0.55 mΩ
12 ppm or 0.7 mΩ
15 ppm or 0.7 mΩ
Fast Speed
0.1 mΩ
3.6 ppm or 1.7 mΩ
12.6 ppm or 1.85 mΩ
15.6 ppm or 1.85 mΩ
( 0~400 ) Ω
Slow Speed
0.01 mΩ
3 ppm or 0.3 mΩ
12 ppm or 0.4 mΩ
15 ppm or 0.4 mΩ
±1 mA/±12 V
3 ppm + 0.02 mΩ
Medium Speed
0.01 mΩ
3 ppm or 0.7 mΩ
12 ppm or 0.8 mΩ
15 ppm or 0.8 mΩ
Fast Speed
0.1 mΩ
3.6 ppm or 1.9 mΩ
12.6 ppm or 2 mΩ
15.6 ppm or 2 mΩ
( 0~4000 ) Ω
Slow Speed
0.1 mΩ
3 ppm or 4 mΩ
12 ppm or 5 mΩ
15 ppm or 5 mΩ
±0.1 mA/±12 V
3 ppm + 0.2 mΩ
Medium Speed
0.1 mΩ
3 ppm or 8 mΩ
12 ppm or 9 mΩ
15 ppm or 9 mΩ
Fast Speed
1 mΩ
3.6 ppm or 20 mΩ
12.6 ppm or 21 mΩ
15.6 ppm or 21 mΩ
[1] Accuracy Index: ± (ppm of reading or xxmΩ , whichever is greater).
[2] Temperature coefficient index: exceeds (18-28) °C range, increase per degree (ppm reading +xxmΩ).
[3] Specifications are for 4-wire function. For 3-wire, add 0.005 Ω for internal resistance mismatch. For 2-wire, add 0.005 Ω for internal resistance.
[4] Automatic current reversal.
PRT Measurement Accuracy using Internal Rs
Scanning Speed
Temperature
24 Hour / °C (23 ±1) °C
90 Days / °C(23 ± 5) °C
1 year / °C(23 ± 5) °C
Temperature Coefficient °C/°C
Slow Speed
-200 °C
0.0005
0.0008
0.0008
0.0002
0 °C
0.0008
0.0031
0.0038
0.0008
300 °C
0.0018
0.0089
0.0089
0.0018
600 °C
0.0029
0.0146
0.0146
0.003
Medium Speed
-200 °C
0.0013
0.0016
0.0016
0.0002
0 °C
0.0014
0.0031
0.0038
0.0008
300 °C
0.002
0.0089
0.0089
0.0018
600 °C
0.0029
0.0146
0.0146
0.003
Fast Speed
-200 °C
0.0039
0.0043
0.0043
0.0006
0 °C
0.0044
0.0047
0.0047
0.0013
300 °C
0.0053
0.0093
0.0093
0.0024
600 °C
0.0059
0.0152
0.0152
0.0036
[1] The indicator is based on the electrical accuracy of the 4-wire PT100 PRT and does not include the accuracy of the PRT itself.
[2] Temperature maximum Resolution is 0.0001 °C.
Thermocouple Voltage Accuracy
Test Range
Scanning Speed
Resolution
24 hours (23 ±1) °C
90 days (23 ±5) °C
1 year (23 ±5) °C
Input Resistance
Temperature Coefficient
(-100-100) mV
Slow Speed
0.01 µV
5 ppm + 2 ppm
10 ppm + 4 ppm
14 ppm + 4 ppm
10 MΩ or >10 GΩ
1 ppm + 0.1 µV
Medium Speed
0.01 µV
5 ppm + 6 ppm
10 ppm + 8 ppm
14 ppm + 8 ppm
Fast Speed
0.1 µV
5 ppm + 22 ppm
10 ppm + 24 ppm
14 ppm + 24 ppm
[1] Accuracy Index: ± (ppm of reading + ppm of FS).
[2] Temperature coefficient index: Exceed the range of (18-28) °C, increase (ppm of reading + xxμV)/°C.
Thermocouple Cold Junction Accuracy
CJC Accuracy
±0.1 °C , 1 year, 23 °C ± 5°C
Environmental Coefficient
Beyond (18 ~ 28) °C, add 0.02 °C / °C
Other
Each signal scanner has 10 cold Junction temperature sensors
See Data Sheet For the Rest of the Specifications
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