DTM-B Portable Blackbody Radiation Source
A blackbody radiation source is an essential standard device used in infrared calibration, precision temperature measurement, and related scientific and industrial applications. It provides a stable and highly accurate reference for calibrating infrared thermometers, thermal imagers, and other non-contact temperature measurement instruments. Owing to its excellent precision, stability, and adaptability, it is widely employed in calibration laboratories, industrial quality control, and scientific research environments.
Full-range resolution of 0.01 °C: Selectable in three levels: 0.01 °C, 0.1 °C, and 1 °C.
6- to 10-point temperature calibration and correction： Automatically performs linear fitting between set value (SV) and process value (PV) to ensure accurate temperature control.
Capacitive touchscreen： Smart human-machine interface with multi-window display.
Adjustable heating rate： Supports uniform ramp-up based on user-defined values for smooth and controlled temperature transitions.
Stability indicator： Real-time operation data display for intuitive system monitoring.
Bilingual interface： Switchable between Chinese and English for international use.
Over-temperature protection： Dual protection via hardware and software.
Communication options： Supports USB, Wi-Fi, WLAN, and RS-232 serial communication.
Temperature unit switching： Supports °C, °F, and Kelvin.
Mobile App control： Enables remote control and real-time monitoring via smartphone.
Technical indicators
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Model |
DTM-35NBG |
DTM-20NBG |
DTM-10NBG |
DTM-550BG |
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Temp. range |
-35 ℃~125 ℃ |
-20 ℃~125 ℃ |
-10 ℃~125 ℃ |
RT+10 ℃~550 ℃ |
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Control method |
Smart Touch Screen |
Smart Touch Screen |
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Emissivity |
Better than 0.995 |
Better than 0.995 |
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Temp. resolution |
0.01°C (full scale) |
0.01°C (full scale) |
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Target size (D × L in mm) |
Φ65mm × 160mm |
Φ65mm × 160mm |
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Target shape |
Cylindrical / conical |
Cylindrical / conical |
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Accuracy |
±0.2 ℃ @ -20℃ ≤ t ≤ 100℃ |
± 0.3℃ @ RT ≤ t ≤ 300℃ |
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±0.3 ℃ @ 100℃＜ t ≤ 125℃ |
± 0.5℃ @300℃＜ t ≤ 550℃ |
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Stability |
± 0.10 ℃ / 10min @ -20 ℃ ≤ t ≤ 100 ℃ ± 0.15 ℃ / 10 min @ 100 ℃＜ t ≤ 125 ℃ |
± 0.1℃ / 10 min @ RT ≤ t ≤ 100℃ |
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± 0.1℃ / 10 min @ 100 ℃＜ t ≤ 300 ℃ |
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± 0.2 ℃ / 10 min @ 300 ℃＜ t ≤ 40 0℃ |
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± 0.2℃ / 10min @ 400℃＜ t ≤ 500℃ |
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± 0.3℃ / 10min @ 500℃＜ t ≤ 550℃ |
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Temperature uniformity |
± 0.10 ℃ @ -20 ℃ ≤ t ≤ 100 ℃ ±0.15 ℃ @ 100 ℃ ＜ t ≤ 125 ℃ |
0.10 ℃ @ RT ≤ t ≤ 100 ℃ |
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0.30 ℃ @ 100 ℃＜ t ≤ 300 ℃ |
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0.45 ℃ @ 300 ℃＜ t ≤ 400 ℃ |
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0.60 ℃ @ 400 ℃＜ t ≤ 500 ℃ |
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0.75 ℃ @ 500 ℃＜ t ≤ 550 ℃ |
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Heating time |
25 min ( 25 ℃ → 125 ℃ ) |
35 min （50 ℃ → 300 ℃） |
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58 min （50 ℃ → 550 ℃） |
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Cooling time |
30 min ( 25 ℃ → - 20 ℃ ) |
2 h 30 min （300 ℃→50 ℃） |
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3 h 30 min （550 ℃→50 ℃） |
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Power |
600 W |
1000 W |
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Interfaces |
RS232 / USB / WIFI / LAN |
RS232 / USB / WIFI / LAN |
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Power supply |
220V AC（±10%）/ 50Hz; 5.5A |
220V AC（±10%） / 50Hz; 5.5A |
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Ambient temperature |
(0～45) ℃; < 80% RH , non-condensing |
(0～45) ℃; < 80% RH , non-condensing |
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Weight |
Appr. 10 kg |
Appr. 10 kg |
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Overall dimensions（mm) |
345(L)× 200(W)×360(H) |
345(L)× 200(W)×360(H) |
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