Instruction Manual
MX4A Active Convection Gauge
Figure 3: Graph of MX4A Gas Dependence
2.5.3
Set Points
To reach the set point screen:
Navigate to the measurement screen.
Press SEL two times.
The set point screen contains set point 1 low.
To access set point 1 high, set point 2 low, or set point 2 high, press DOWN from the initial set
point screen.
When the correct set point is selected, press ENT to unlock the set point adjustment screen.
Press UP and DOWN to change the value.
When the desired reading is reached, press ENT to save and lock the change.
The MX4A contains two set points for the convenience of the operator. Set point 1 is an N-Channel
60 V MOSFET open collector. It has a maximum current rating of 1 A. The data sheet can be found
at
www.vishay.com/docs/69958/si2308bd.pdf
. Set point 2 is a relay with a maximum switching
voltage of 220 V DC (250 V AC) and a maximum switching current of 2 A. The data sheet can be found
at
www.te.com/catalog/pn/en/1393788-3
2.5.4
Units
To reach the units screen:
email: [email protected]
tel: +1 215 947 2500
web: frederickscompany.com
mx4a_im rev L
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