YOKOGAWA WT1800 User Manual

22-11
IM WT1801-01EN
Self-Test (Selftest)
You can test the keyboard and memory operations.
Test Items (Test Item)
You can perform the following tests.
Memory Test (Memory)
You can test the internal memory to determine whether it is functioning normally. If “Pass” is displayed, it is
functioning normally. If an error occurs, “Failed” appears. After the test is completed, “Test Completed” appears.
Key Test (Key Board)
• T
ests whether or not the front-panel keys are operating properly. If the name of the key that you press is
displayed, the key is operating properly.
• If the indicators on the front panel turn on and of
f in order when you press the left and right cursor keys, they
are operating properly.
• T
o exit the key test, press ESC twice.
Keyboard Test (Soft Key)
This test appears when you set Test Item to Key Board. You can test whether the keyboard displayed on the
screen is functioning properly. If the characters that you type appear correctly in the keyboard’s input box, the
keyboard is functioning properly.
Executing a Test (Test Exec)
The selected self-test starts.
If an Error Occurs during a Self-Test
If an error occurs even after you perform self-tests numerous times, contact your nearest YOKOGAWA dealer.
22 Utility

YOKOGAWA WT1800 Specifications

General

Model	WT1800
Basic Power Accuracy	±0.1% of reading
Frequency Range	DC, 0.1 Hz to 1 MHz
Harmonic Analysis	Yes, up to 500th order
Voltage Range	1.5 V to 1000 V
Current Range	0.5 A to 50 A
Display	8.4-inch LCD
Interfaces	USB, Ethernet, GP-IB
Sampling Rate	2 MS/s
Dimensions	426 mm x 177 mm x 400 mm