1-30 Performance Verification
Verifying frequency
Follow the steps below to verify the Model 2700 frequency function:
1. Connect the function generator to the Model 7700 CH1 H and L INPUT terminals. (See
Figure 1-15.)
2. Install the Model 7700 in Slot 1 of the Model 2700, then turn on the power, and allow
the unit to warm up for one hour before proceeding. Be sure the front panel INPUTS
switch is set to the REAR position.
3. Set the function generator to output a 1kHz, 1V RMS sine wave.
4. Select the Model 2700 frequency function by pressing the FREQ key. Close Channel 1
by pressing the CLOSE key and keying in 101.
5. Verify that the Model 2700 frequency reading is between 0.9999kHz and 1.0001kHz.
Figure 1-15
Connections for Model 7700 frequency verification
Verifying ratio and average
Follow the procedure below to verify ratio and average.
CAUTION Exceeding 300V between plug-in module INPUT or SENSE H and L ter-
minals may cause instrument damage.
1. Connect the Model 7700 CH1 and CH11 H and L terminals to the DC calibrator, as
shown in Figure 1-16.
2. Install the Model 7700 in Slot 1 of the Model 2700, then turn on the power, and allow
the unit to warm up for two hours before proceeding. Be sure the front panel INPUTS
switch is set to the REAR position.
3. Select the Model 2700 DCV function and the 1V range. Close Channel 1 by pressing
the CLOSE key and keying in 101.
HLHL
AMPS
HLHLHLHLHLHL
LO
CH21 CH22 CH11 CH12 CH13 CH14 CH15 CH16
HLHLHLHL
CH17 CH18 CH19 CH20
SENSE
(OHMS, 4 WIRE)
INPUT
(V, 2 WIRE)
HLHLHLHL
CH7 CH8 CH9 CH10
HLHL
HLHL
HLHL
HLHL
INPUT SENSE
CH1 CH2
CH3
CH4
CH5
CH6
CH1
50Ω
Coax Cable
Model 7700
Function Generator
Function
Output
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