M a i n t e n a n c e
Periodic Service
WARNING!
Repair and service of this instrument is to be performed by qualified
personnel only. Improper repair or service could result in physical
degradation of the meter. This could alter the protection from electrical
shock and personal injury this meter provides to the operator. Perform
only those maintenance tasks that you are qualified to do.
Cleaning
Pe r i o d i cally clean your meter’s case using a damp cloth.
DO NOT
u s e
a b rasive, flammable liquids, cleaning solvents, or strong detergents as
they may damage the finish, impair safety, or affect the reliability of the
s t r u c t u ral components.
Battery Replacement
Remove screws from battery compartment cover on back of meter and
remove cover. Replace batteries with fresh batteries paying attention to
p o l a r i ty position. Replace cover and screw s .
Specifications
AC Amps Measurement - Jaw input (45Hz to 400Hz)
*DL269
400A range only
*DL289
45Hz to 400Hz True RMS (Crest factor <3:1)
DC Low Amps Measurement (test lead input)
AC Low Amps Measurement (test lead input, 45Hz to 400Hz)
*DL289
45Hz to 400Hz True RMS (Crest factor <3:1)
DC Volts Measurement
AC Volts Measurement (45Hz to 400Hz)
*DL289
45Hz to 1KHz True RMS (Crest factor <3:1)
Ohms Measurement
Diode Test
Capacitance Measurement
Temperature Measurement (DL279 & DL289 only)
Frequency Measurement
Minimum frequency: 0.5Hz, DC V offset should be zero
Sensitivity: > 1.0V rms
Duty (%) Cycle Measurement
0.5Hz to 100kHz (pulsewidth > 2µ sec)
Continuity Measurement
Physical Specifications
DL269/DL279/DL289-MAN
P. 4
Range
Resolution
Accuracy
Overload Protection
40A
0.01A
±2.9% +15 dgts
600V
400A
0.1A
±1.9% +8 dgts
Range
Resolution
Accuracy
Overload Protection
400µA
0.01µA
±1.2% +3 dgts
2000µA / 600V
2000µA
0.1µA
Range
Resolution
Accuracy
Overload Protection
400µA
0.01µA
±2.0% +5 dgts
2000µA / 600V
2000µA
0.1µA
±1.5% +5 dgts
Range
Resolution
Accuracy
Overload Protection
400mV
0.1mV
±0.5% +4 dgts
600V
4V
1mV
40V
10mV
400V
100mV
1000V
1V
±0.8% +10 dgts
Range
Resolution
Accuracy
Overload Protection
4V
1mV
±2.0% +5 dgts
600V
40V
10mV
400V
100mV
750V
1V
Range
Resolution
Accuracy
Overload Protection
400
Ω
100m
Ω
±1.0% +4 dgts
600V
4k
Ω
1
Ω
40k
Ω
10
Ω
400k
Ω
100
Ω
4M
Ω
1kΩ
40MΩ
10kΩ
±2.0% +4 dgts
Range
Open Circuit Vo l t a g e Test Current (typical) Overload Protection
2.0V
< 3.0V DC
0.25mA
600V
Range
Resolution
Accuracy
Overload Protection
40nF
0.01nF
±3.5% +6 dgts
600V
400nF
0.1nF
4µF
0.001µF
40µF
0.01µF
400µF
0.1µF
4000µF
1µF
Range
Resolution
Accuracy
Overload Protection
-22˚ to 14˚F
0.1˚F
±5.4˚F
30V
(-30˚ to -10˚C)
(0.1˚C)
(±3.0˚C)
15˚ to 752˚F
0.1˚F
±1.0% +3.6˚F
(-9˚ to 400˚C)
(0.1˚C)
(±1.0% +2.0˚C)
Range
Resolution
Accuracy
Overload Protection
9.999Hz
0.001Hz
±0.1% +4 dgts
600V
99.99Hz
0.01Hz
999.9Hz
0.1Hz
9.999kHz
1Hz
99.99kHz
10Hz
Range
Accuracy
Overload Protection
01. to 99.9%
±(0.2% per kHz +0.1%) +5 count
600V
Open Circuit voltage <2.7V
Overload Protection
Threshold Approximately <20
Ω
600V
Operation temperature
32˚ to 104˚F (0˚ to 40˚C)
Storage temperature
-4˚ to 140˚F (-20˚ to 60˚C)
Relative humidity
0% to 80% at 32˚ to 95˚F (0˚ to 35˚C),
0% to 70% at 32˚ to 131˚F (0˚ to 55˚C)
Temperature coefficient
Nominal 0.1 x (Specified accuracy) / ˚C
(<18˚ or >28˚C ; <64˚ or >82˚F)
Altitude
Operating - up to 2000m
Storage - 10000m
Pollution degree
2
Installatin category
CAT III 600V, CAT II 1000V
Certifications
UL & cUL standard UL 3111-1 Listed
