Calibration for Current, Voltage & Switch Test Module (MA20)
The MA20 can be calibrated through the use of the span factor (userspan) and the Oset for the current and voltage modes. Record dis-
played current or voltage for two or more points. Determine if the nVision would benet from an overal increase or decrease of the indicated reading and
modify using the userspan and oset f
eature of CrystalControl.
To setup the Switch Test feature, select the Setup Wizard button in the MA20 Module Cong screen and follow the instructions.
Calibration for Temperature Modules (RTD100)
The RTD sensor can be calibrated through the use of the span factor (userspan) and the Base Resistance (Ro) at 0ºC. Record displayed
temperature for two or more temperature points.
Determine if the nVision would benet from an overall increase or decrease of the indicated temperatures
and modify using the userspan feature in
CrystalControl. It is also possible to modify the RTD sensor resistance reading at 0 to a custom value other than the
default value of 100 Ω using the Base Resistance (Ro) at 0ºC in
CrystalControl. Note, however, that the Ro oset will aect all RTDs used with the nVision and
should be used with care.
ACCESSORIES AND REPLACEMENT PARTS
P/N 4547 BARO Calibration Kit
Includes 3/16" calibration hose with tting coupler
.
P/N 4087 Soft Carrying Case
Durable, padded case with separate pockets for your nVision and accessories
.
P/N 3951 USB A to mini USB B Cable
6' [1
.8m] USB A to mini USB B Cable.
!
WARNING: Do not use USB interface within a hazardous atmosphere (Um = 6V).
P/N 3952 Test Lead Kit (included in MA20)
Two 39" [1m] 2mm banana jack test leads with multi-purpose clip
. Black / Red.
P/N 3953 RTD Connection Kit (included in RTD100)
One IP67 terminal block connector (RTD Module or RTD Sense Element not included)
.
P/N 3985 Protective Boot
Skydrol™ resistant protective boot
. Blue.
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