UEi Test Instruments ECT690 User Manual
Page 2

Testing for Continuity
Turn off circuit power before testing. Beeper indicates
shorts lasting 1 ms or longer.
M a i n t e n a n c e
Battery Test and Replacement
Replace the batteries when touching the leads together
no longer turns on the continuity LED. Reference to (Fig
1) to replace batteries.
NOTE: Disconnect
probes from voltage.
NOTE: Do not
over-tighten screws
Observe battery
polarity.
S p e c i f i c a t i o n s
AC Voltage
1000V rms. maximum
45 Hz to 66 Hz
-
+
+VDC
-VDC
VDC
6
12
24
12V DC
VAC
VAC
12
24
24
48
110
230
400
110V AC
Continuity
Beeping
Continuity
Open
Short or 0 - 85KΩ
(Fig 1)
Function
Range
Accuracy
AC Voltage (V)
12, 24, 48, 110,
-30% to 0% of reading
230, 400, 690
DC Voltage (V)
6, 12, 24, 36, 48,
-30% to 0% of reading
110, 220
Continuity Test
Audible threshold 0 - 85Ω,
Continuity beeper 2KHz
Maximum Voltage
Between any terminal and earth ground:
1000V DC, 1000V AC rms, overvoltage
category III
Input Impudence
1MΩ
Relative Humidity
90% (0˚-30˚C), 75% (30˚-40˚C), 45% (40˚-50 ˚ C )
Battery Type and Life (2) “AA”, 350 hours with NEDA 15F r IEC R6
Safety
Complies with EN61010-1:1993 for use
in overvoltage CAT III environments
EMC Regulations
EN50081-1, EN50082-1