FBXXX Field Temperature Block
Parts and Controls
16
Block Temperature Indicator (9)
The Block Temperature Indicator lamp allows users to know when the block tempera-
ture is safe (50°C to 60°C) to remove inserts or move the Field Temperature Block.
The indicator light is lit continuously once the block has exceeded approximately
50°C (varies 50°C to 60°C). The indicator light stays lit until the block cools to less
than approximately 50°C. If the instrument is disconnected from mains power, the
indicator light ashes until the block temperature is less than approximately 50°C.
Figure 3 Display panel and keys
3.2.2 Display
The front panel display is shown in detail in Figure 4 on opposite page.
Heat Source Temperature (1)
The most recent block temperature measurement is shown in large digits in the box at
the top of the screen.
Set-point Temperature (2)
The current set-point temperature is displayed just below the Process Temperature.
Reference Thermometer Temperature (3) [-R models only]
When installed, the most recent reference thermometer measurement is shown on the
screen.