Performance Tests

TDS 684A, TDS 744A, & TDS 784A Service Manual 4–19

TDS 684A Test Record

Photocopy this and the next three pages and use them to record the performance

test results for your TDS 684A.

TDS 684A Test Record

Instrument Serial Number: Certificate Number:
Temperature: RH %:
Date of Calibration: Technician:
TDS 684A Performance Test Minimum Incoming Outgoing Maximum
Offset Accuracy
CH1 Offset +1 mV
+101 mV
+1.01 V
– 1.45 mV
– 69.1 mV
– 691 mV
__________
__________
__________
__________
__________
__________
+ 1.45 mV
+ 69.1 mV
+ 691 mV
CH2 Offset +1 mV
+101 mV
+1.01 V
– 1.45 mV
– 69.1 mV
– 691 mV
__________
__________
__________
__________
__________
__________
+ 1.45 mV
+ 69.1 mV
+ 691 mV
CH3 Offset +1 mV
+101 mV
+1.01 V
– 1.45 mV
– 69.1 mV
– 691 mV
__________
__________
__________
__________
__________
__________
+ 1.45 mV
+ 69.1 mV
+ 691 mV
CH4 Offset +1 mV
+101 mV
+1.01 V
– 1.45 mV
– 69.1 mV
– 691 mV
__________
__________
__________
__________
__________
__________
+ 1.45 mV
+ 69.1 mV
+ 691 mV
DC Voltage Measurement Accuracy (Averaged)
CH1 5 mV Vert scale setting,
–5 Div position setting, +1 V offset + 1.029 V __________ __________ + 1.0513 V
CH1 5 mV Vert scale setting,
+5 Div position setting, –1 V offset – 1.0513 V __________ __________ – 1.029 V
CH1 200 mV Vert scale setting,
–5 Div position setting, +10 V offset + 11.420 V __________ __________ + 11.786 V
CH1 200 mV Vert scale setting,
+5 Div position setting, –10 V offset – 11.786 V __________ __________ – 11.420 V
CH1 1 V Vert scale setting,
–5 Div position setting, +10 V offset + 17.26 V __________ __________ + 18.76 V
CH1 1 V Vert scale setting,
+5 Div position setting, –10 V offset – 18.76 V __________ __________ – 17.26 V
CH2 5 mV Vert scale setting,
–5 Div position setting, +1 V offset + 1.029 V __________ __________ + 1.0513 V
CH2 5 mV Vert scale setting,
+5 Div position setting, –1 V offset – 1.0513 V __________ __________ – 1.029 V
CH2 200 mV Vert scale setting,
–5 Div position setting, +10 V offset + 11.420 V __________ __________ + 11.786 V