Low Temperature Thermometer
RT8B
User Guide
2
Operating Temperature Range:
(focused at infinity)
RT80B
RT81B
RT82B
RT83B
0 to 250°C
0 to 500°F
0 to 500°C
0 to 1000°F
Specified Temperature Range:
RT80B
RT81B
RT82B
RT83B
0 to 250°C
30 to 500°F
0 to 500°C
30 to 1000°F
Output:
Linear 4 to 20mA over temperature range
Field of view:
See section 2.2
Emissivity:
0.1 to 1.09 adjustable in steps of 0.01
Waveband:
8 to 14μm (nominal)
Response time(3t):
1 to 10s (adjustable)
Resolution:
<0.2°C
Accuracy:
<
2°C
Ambient temperature limits:
-5 to 50°C/23 to 122°F (specified)
-5 to 70°C/23 to 158°F (storage)
Drift with ambient temperature:
<1.5° per 10° change in ambient temperature
Drift with time:
<1°C (2°F) per year
Power supply voltage limits:
11 to 45V d.c. (26V d.c. nominal)
Maximum load resistance:
1KΩ
EMC:
EN 50 082-2 (immunity)
EN 50 081-1 (emission)
IEC 61010 (electrical safety)
Sealing:
Designed to meet IP65/NEMA4 requirements
Vibration:
3g any axis (10 to 300Hz)
Weight:
0.5kg/1.1lb
2.1 Specification Table
INSTRUMENT
SPECIFICATIONS
2
