This section describes the requirements for calibrating Marvin Test Solutions GX1838 Precision Multi-Channel DC Source PXI 3U card.
Supported Devices: GX1838 (-10V to 32 V), GX1838-20 (-20V to 20V).
Program: GX1838.
Recommended Calibration Interval: 1 Year.
Required Hardware:
1. GX1838 or GX1838-20.
2. 6 ½ digit DMM (minimum requirement).
3. GX1838 Calibration cable with load, 1K ohm, +/- 1%; GT96111.
Required Software:
1. ATEasy run-time (see the ReadMe.txt for supported versions).
2. GxPdo v3.2 or newer.
3. CalEasy v1.4.6 or newer.
4. Standards driver manufacturer's software as specified below.
Required Standards and Capabilities:
1. DMM – 6½ DMM (minimum requirement)
with VDC and IDC measurement functions.
Provided instrument drivers: Agilent 3458, Keithley 200x (2001,
2002), Marvin Test Solutions GX2065, Signametrics SMX204x (SM2040, SM2042,
SM2044) or SM206x.
Note: See Instrument Standards DLL Files section for more information about the Standard Driver software requirements and setup.

Calibrating GX1838 Precision Multi-Channel DC Source PXI 3U card
1. Start CalEasy.exe executable.
2. Select standards instruments for DMM.
3. Click Start.
4. Select the verification and calibration program mode: Verify, Verify and if Passed, Update Calibration Date, Verify and Calibrate If Required or Calibrate.
5. Run Calibration Program.
6. When prompted, connect the DMM and the GX1838 using the GT96111 cable as instructed by the pop-up boxes.
Verification – About 2 minutes.
Calibration – About 3 minutes.