(9) Data Hold
1. This function enables the user to “freeze” a measurement reading and
then remove the test leads while the reading remains displayed on the
LCD. DATA-H is useful when it is necessary to pay very close attention
to your work.
Freeze the display by depressing the DATA-H switch.
Pushing the DATA-H switch again releases the display.
(10) Auto Power Off
This meter will be shut off automatically after 30 minutes that the meter has
not been used without a change of the range or function switch.
This function helps in conserving battery life.
To turn the meter back on, simply press the DATA-H switch twice.
(11) Logic (TTL/CMOS) Test
1. Set function/rotary switch to desired “TTL or CMOS” position.
2. Plug the red test lead into the “V.
W
.Hz” jack and the test lead tip to the
point to be tested.
3. Plug the black test lead into the “COM” input jack and the test lead tip to
the common bus of the logic circuitry to be measured.
4. With a logic high pulse (1), the indicator will display on the LCD. With
a logic low pulse (0) the indicator will appear on the LCD.
(12) Peak
1. This function enables the user to “freeze” a peak (maximum)
measurement reading.
The peak function will work by pressing the
PEAK-H switch. Pushing this switch again releases the display.
6. Maintenance
-12-
3. Features
• 10 Functions / 45 Measuring Ranges
• Surface Mounted PC Board Assembly
• 1% Basic Accuracy
• 10M
W
Input Impedance
• Large LCD with Function/Range Annunciator
• Full Overload Protection
• Peak Hold
• Data Hold
• Auto Power Off
• Auto-Range Selected Frequency Measurement up to Max. 15MHz reading
• Double-insulated Safety Input Jack
• Tilt Stand with Test Lead Holder Equipped
• Easy Two Changes of Fuses & Battery by Divided Battery Cover
• Holster
• Low Battery Indicator
4. Specifications
4-1. General Specifications
Display
3 1/2 LCD 0.71” height, max. reading of 1999
with annunciators.
Polarity
Automatic “ ” is displayed.
Overrange Indication
“OL” on LCD is displayed.
Low Battery Indication
“ ” sign on LCD readout.
Auto Power Off
Approximately 30 minutes.
Operation Temperature
0
O
C to 50
O
C
less than 80% relative humidity up to 35
O
C
less than 70% relative humidity from 35
O
C to 50
O
C.
Storage Temperature
-15
O
C to 50
O
C
Temperature Coefficient
0
O
C to 18
O
C and 28
O
C to 50
O
C
less than 0.1 X applicable accuracy
specification per
O
C.
Power
9V Alkaline or Carbon Zinc battery
(NEDA 1604)
Battery Life (typical)
100 hours with carbon zinc cells
200 hours with alkaline cells
Dimensions
3.54” (W) x 7.48” (L) x 1.37” (H) (w/o holster)
Weight
Approximately 0.75 lb. (w/o holster)
Accessories
Safety Test Leads - 1 pair
Operator’s Manual - 1 pc.
Holster - 1 pc.
-5-
WARNING
Before attempting battery & fuse removal or replacement, disconnect
the test leads from any energized circuits to avoid hazard.
+
