OPEARTING MANUAL
Technische Änderungen vorbehalten
B+B Thermo-Technik GmbH | Heinrich-Hertz-Str. 4 | D-78166 Donaueschingen
0141 0315-100 24.06.2022
Fon +49 771 83160 | Fax +49 771 831650 | [email protected] | bb-sensors.com
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2.3
Measurement Specifications [LT-Models]
DM21
DM151
DM201
Temperature range (scalable)
-50...600 °C
-50...600 °C
-50...975 °C
Ambient temperature (head)
-20...130 °C
-20...180 °C
-20...180 °C
Storage temperature (head)
-40...130 °C
-40...180 °C
-40...180 °C
Spectral range
8...14 µm
8...14 µm
8...14 µm
Optical resolution
2:1
15:1
22:1
System accuracy
1) 2) 3)
±1°C or ±1%
3)
Repeatability
1) 3)
±0,5°C or ±0,5%
3)
Temperature coefficient
4)
±0,05 K/ K or ±0,05 %/ K
NETD
3) 5)
0,1 K
0,05 K
0,05 K
Response time (95 % signal)
150 ms
150 ms
150 ms
Warm-up time
10 min
10 min
10 min
Emissivity/ Gain
0,100...1,100 (adjustable via programming keys or software)
Transmissivity
0,100...1,100 (adjustable via programming keys or software)
Signal processing
Average, peak hold, valley hold (adjustable via programming keys or software)
1)
at ambient temperature 23 5 °C; whichever is greater; at object
temperatures >0 °C; response time=1s
2)
Accuracy for thermocouple output: ±2,5°C or ±1%
3)
ε = 1
4)
for ambient temperatures (head) <18 °C and >28 °C; whichever is
greater
5)
at time constant 200 ms and an object temperature of 25 °C
On the DM21 models the head cable must not be moved
during the measurement.
