Purkeys TF-018 Bedienungsanleitung
400 A MINI DC CLAMP METER
USER GUIDE
INST149 Doc 1.00
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CONTENTS
General Information........................................................................2
Safety ..............................................................................................3
Specifications .................................................................................4
Description .....................................................................................5
Operation ........................................................................................6
Maintenance ...................................................................................7
Limited Commercial Warranty Policy ............................................8
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The 400 A Mini DC Clamp Meter is shipped fully tested and
calibrated and, with proper use, will provide years of reliable
service.
Features:
• High Accuracy and Resolution
• Large 4000 count LCD display
• One touch “Auto Zero”
• Data Hold and Auto Power Off functions
• 1.2” (30 mm) Jaw diameter
GENERAL INFORMATION
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P: 479.419.4800 | F: 479.419.4801 | www.purkeys.net
400 A MINI DC CLAMP METER
SAFETY
International Safety Symbols
This symbol, adjacent to another symbol or terminal,
indicates the user must refer to the manual for further
information.
This symbol, adjacent to a terminal, indicates that, under
normal use, hazardous voltages may be present.
Double insulation.
Safety Notes
• Do not exceed the maximum allowable input range.
• Set the function switch OFF when the device is not in use.
• Remove the battery if the device is to be stored for longer
than 60 days.
• Never dispose of batteries in a fire. Batteries may explode
or leak.
• Never mix battery types. Always install new batteries of the
same type.
Warnings
• Set function switch to the appropriate position before
measuring.
• Do not measure current on a circuit whose voltage exceeds
600 V.
Cautions
• Improper use of this meter can cause damage, shock,
injury, or death. Read and understand this user guide before
operating the meter.
• Inspect the condition of the meter for any damage before
operating the meter. Repair any damage before use.
• If the equipment is used in a manner not specified by the
manufacturer, the protection provided by the equipment may
be impaired.
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SPECIFICATIONS
General Specifications
Display 3-3/4 digit (4000 count) LCD
Functions Amperes DC
Polarity ‘-‘ indicates negative polarity
Current Sensor Hall effect sensor
Overload Indication “OL”
DCA Zero Adjust One touch zero button
Auto Power Off After approx. 15 minutes
Display Rate 2 updates per second (approx.)
Battery One 9 V battery
Operating
Temperature 4° F to 122° F (-10° C to 50° C)
Operating Humidity < 85% RH
Power Consumption 14 mA (typical)
Weight 10.3 oz. (290 g) including battery
Dimensions 8.2 x 1.7 x 1.2” (208 x 43 x 30 mm)
(H x W x D)
Jaw Opening 1.2” (30 mm)
Safety Rating IEC 1010 Category II 600 V
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P: 479.419.4800 | F: 479.419.4801 | www.purkeys.net
400 A MINI DC CLAMP METER
Range Specifications
Function Range Resolution Accuracy (%
of Reading) Overload
Protect
DC Current 40.00 A 10 mA ± (3.5% + 3
digits)
400 ADC
400.0 A 100 mA
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DESCRIPTION
1. Current Sensing Jaw
2. Measurement Trigger
3. Function Switch
4. Data Hold Button
5. One-Touch DCA Zero Button
6. LCD Display
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P: 479.419.4800 | F: 479.419.4801 | www.purkeys.net
400 A MINI DC CLAMP METER
OPERATION
DC Current Measurements
1. Set the function switch to the 40 A or 400 ADC range.
2. With no conductor in the jaws, press the ZERO button to null
the meter display.
3. Press the trigger to open the current sense jaw.
4. Fully enclose one conductor to be measured. Do not allow a
gap between the two halves of the jaw.
5. Read the DCA value on the display.
Data Hold
To freeze the current reading on the LCD, press the HOLD but-
ton. To release the Data Hold function and return the meter to
normal operation, press the HOLD button again.
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MAINTENANCE
Battery Replacement
1. When the low battery symbol appears on the LCD, the battery
must be replaced.
2. Remove the orange rubberized cover.
3. Remove the battery compartment screw.
4. Lift off the battery compartment cover and replace the 9 V
battery.
5. Replace compartment cover and secure the screw.
Disposal
Never dispose of used batteries or rechargeable batteries in
household waste. As consumers, users are legally required
to take used batteries to appropriate collection sites: the
retail store where the batteries were purchased, or wherever
batteries are sold.
Do not dispose of this instrument in household waste. The user
is obligated to take end-of-life devices to a designated collection
point for the disposal of electrical and electronic equipment.
Cleaning
Use only a dry cloth to clean the meter housing; do not use
cleaning agents, abrasives, or solvents.
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