Technical Data
3 Technical Data
3.1 Measurement Specifications
3.1.1 FA Models
Temperature Range |
|
FA1A | 475 to 900°C (887°F to 1652°F) |
FA1B | 800 to 1900°C (1472°F to 3452°F) |
FA1C | 1200 to 3000°C (2192°F to 5432°F) |
FA1G | 750 to 1675°C (1382°F to 3047°F) |
FA2A | 250 to 800°C (482°F to 1472°F) |
FA2B | 400 to 1700°C (752°F to 3092°F) |
Spectral Response |
|
FA1 | 1.0 μm (Si detector) |
FA2 | 1.6 μm (InGaAs detector) |
System Accuracy1 |
|
FA1/FA2 | ±(0.3% Tmeas + 2°C), Tmeas in °C |
FA1G | ±3°C |
Repeatability | ±1°C |
Temperature Resolution |
|
Current Output | ±0.05°C |
| ±0.01°C for FA1G |
Display and RS485 | ±1°C |
Response Time | 10 msec (95%), selectable to 10 sec |
Temperature Coefficient | ±0.03% full scale change per 1°C change in ambient |
| temperature |
Noise Equivalent Temp. (NET) | 1°C peak to peak, at target emissivity of 1.00 |
Emissivity | 0.10 to 1.00, in 0.01 increments |
Signal Processing | Peak Hold, valley hold, averaging |
| Hold time 0 – 300 sec, in 0.1 sec increments |
3.1.2 FR Models
Temperature Range |
|
|
FR1A | 500 | – 1100°C (930°F to 2010°F) |
FR1B | 700 | – 1500°C (1290°F to 2730°F) |
FR1C | 1000 – 2500°C (1830°F to 4530°F) | |
Spectral Response | 1.0 μm nominal (Si/Si sandwich detector) | |
1at ambient temperature 23°C ±5°C (73°F ±9°F)
4 | Marathon Series FA/FR |