Temperature Accuracy - GRAPHTEC midi LOGGER GL350 Service Manual

5.2.2 Temperature Accuracy

Preparation
• Use (T) temperature compensation leads to connect the target amp and a 0˚C reference temperature
device (zero controller) as shown below.
• As shown below, use copper leads to connect the 0˚C reference temperature device (zero controller) to a
voltage generator that can specify output up to 1µV.
Wiring connection
Voltage generator
0.00000 V
Connect CH3 and CH8 for the 10-channel
input terminal unit.
Connect CH3, CH8, CH13 and CH18 for
the 20-channel input terminal unit.
Connect CH3, CH8, CH13, CH18, CH23,
CH28, CH33, CH38, CH43 and CH48 for
the 50-channel input terminal unit.
Note : The compensation leads should be connected individually. Do not connect in parallel. Connect the
FG of the voltage generator and the AC adapter.
GL400-UM-251-9370
FG
(T) compensation lead
AC adapter
5. INSPECTION AND CHECK PROCEDURES
(T) output side
(T) input side
5-7
0˚C reference
temperature device
(Zero Controller)