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

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RayTek operating instructions Technical Data, Measurement Specifications, FA Models, FR Models