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N D U S T R I A L
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O M M E R C I A L
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R O U B L E S H O O T I N G
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N E O F T H E M O S T A D V A N C E D D I A G N O S T I C M U L T I M E T E R S E V E R M A D E F O R
HVAC/R,
E
L E C T R I C A L A N DIN D U S T R I A L P R O C E S S D I A G N O S T I C S
.
DM397
True RMS Digital Multimeter
True RMS
• The standard of industrial
maintenance professionals
Features Include:
• 1000 Volt CAT-III rated for your safety
• Data Logging kit and software included
• High-resolution 5-digit backlit display
• Test lead and fuse error- a l e r t s
• MIN/MAX/AVG recording
• Stores up to 20 readings
• Precision resistance scale (1/1000
t h
o h m )
• Temperature (includes probe)
• Capacitance for run & start caps
• Frequency for VFD/VSD and Gen testing
• Duty Cycle and Pulse Width measurement
• 1 Millisecond Peak Capture
• DbM and Db-V for power-out testing
• Easy access fuses and battery
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DM397 • True RMS Digital Multimeter
Accuracy is given as ±([% of reading] + number of digits) at 64˚ to 78˚F with
RH% up to 80%, for a period of one year after calibration. True RMS
responding accuracies are specified from 5% ~ 100% of range or otherwise
specified: Crest Factor <3:1 at full scale and <6:1 at half scale.
DC Voltage Measurement
NMRR : >60dB @ 50/60 Hz
CMRR : >120dB DC, 50/60 Hz, Rs = 1kΩ
Input Impedance : 10MΩ, 30 pF nominal
( 5 0 MΩ, 100 pF nominal for 50m V & 500 mV ra n g e s )
AC Voltage Measurement
CMRR : >60dB DC to 60 Hz, Rs = 1kΩ
Input Impedance : 10MΩ, 30 pF nominal
( 5 0 MΩ, 100 pF nominal for 50m V & 500 mV ra n g e s )
DC Current Measurement
AC Current Measurement
Range Resolution Accuracy
50 mV 1 µV .05% +10 dgts
500 mV 10 µV
5 V 100 µV .05% +2 dgts
50 V 1 mV
500 V 10 mV
1000 V 100 V 0.1% +2 dgts
Specifications
Range Resolution Accuracy
40Hz - 1kHz 4kHz - 5kHz 5kHz - 20 z 20kHz - 50 k H z
500 mV 10 µV 0 . 3 % + 10 1. 0 % + 10 2 . 0 % + 2 0 U n s p e c i f i e d
5 V 100 µV
50 V 1 mV 0 . 3 % + 1 0 0 . 5 % + 10 0 . 5 % + 10 0 . 8 % + 20
500 V 10 mV
1000 V 100 mV 0 . 4 % + 10 0 . 5 % + 2 0 U n s p e c i f i e d U n s p e c i f i e d
Range Resolution Accuracy
500 µA 10 nA
5 mA 100 nA 0.1% + 5
50 mA 1 µA
500 mA 10 µA
5 A 100 µA 0.3% + 10
10 A 1 mA 0.3% + 20
Range Resolution Accuracy
40Hz - 1kHz 1kHz - 10kHz
500 µA 10 nA
5 mA 100 nA 0.3% + 5 0.8% + 10
50 mA 1 µA
500 mA 10 µA
5 A 100 µA 0.4% + 10 Unspecified
10 A 1 mA 0.4% + 20
(AC+DC) Voltages and (AC+DC) Current
Resistance
Open Circuit Voltage: <1.3 V DC
*1Using relative (REL∆) mode
Conductance (5,000 counts only)
Continuity
Diode Test
Function Range Resolution Accuracy
40Hz - 1kHz 1kHz - 10kHz
DC mV 500 mV 100 µV 0.5% + 5 0.8% + 5
5 V 1 mV
DC V 50 V 10 mV 0.5% + 3 0.8% + 3
500 V 100 mA
1000 V 1 V 0.8% + 5 0.8% + 5
DC µA 500 µA 100 nA
5 mA 1 µA 0.5% + 3 1.0% + 5
DC mA 50 mA 10 µA
500 mA 100 µA
DC A 5 A 1 mA 0.8% + 10 Unspecified
10 A 10 mA
Range Resolution Accuracy
50 Ω 0.001 Ω 0.5% + 20 *
1
500 Ω 0.01 Ω 0.1% + 5 *
1
5 kΩ 0.1 Ω
50 kΩ 1 Ω 0.1% + 2
500 kΩ 10 Ω
5 MΩ 100 Ω 0.3% + 5
50 MΩ 1 kΩ 0.5% + 20
Range Resolution Accuracy
50 nS 0.01 nS 0.1% + 10
Audible threshold: The beeper sounds if the measured resistance is
lower than 10 Ω,and turns off when greater than
about 70 Ω.
Response time: < 1 m sec.
Range Accuracy Test Current (typical) Open Circuit Voltage
4 V 2% + 1 1 mA <3.0 V DC
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Capacitance (5,000 counts only)
*1Accuracy with film capacitor or better
*2Using relative (REL∆) mode
Frequency, Duty Cycle, Pulse Width and Temperature
dBm and 1mS PEAK Hold (5,000 counts only)
Burden Voltage (A, mA, µA)
Physical Specifications
Feature Summary
Range Resolution Accuracy *
1
5 nF 1 pF 1.0% + 5 *
2
50 nF 10 pF 1.0% + 3 *
2
500 nF 100 pF
5 µF 1 nF 2.0% + 3
50 µF 10 nF 3.0% + 3
500 µF 100 nF
5000 µF 1 µF 3.5% + 5
Function Range Resolution Accuracy
Frequency 50 Hz 0.001 Hz
[Minimum 500Hz 0.01 Hz
Frequency: 5 kHz 0.1 Hz 0.002% + 3
0.5 Hz 50 kHz 1 Hz
sensitivity 500 kHz 10 Hz
250 mV] 5 MHz 100 Hz
Duty Cycle 0.1% to 99.9% 0.1% 0.5 Hz to 300 kHz
(pulse width > 3 µ sec.)
(0.1% + 0.05% per
kHz+1 count) for 5 V
input (Logic signals only)
Pulse Width Input Frequency Pulse width > 3µs
0.5 Hz to 300 kHz
Temperature -58˚ to 2.372˚F 0.1˚F With k-type thermocouple
(-50˚ to 1.300˚C) (0.1˚C) ±5.4˚F (±3˚C) typical
Function Characteristics Accuracy
Selectable reference impedance ±0.25 dB + 2 digits
dBm of 1Ω to 1,999Ω (@ 40 Hz to 20kHz)
At 600 Ω: -11.76 dBm to 54.25 dBm
Input impedance: 10MΩ, 30 pF
nominal
1 mS PEAK Specified voltage or current measurement accuracy ±30
counts of the peak value of a single 1 mS pulse.
Function Range Burden Voltage (typical)
500 µA 150 µV / µA
mA / µA 5000 µA 150 µV / µA
50 mA 3.3 mV / mA
500 mA 3.3 mV / mA
A 5 A 0.03 V / A
10 A 0.03 V / A
Display (LCD) 50,000 count digital primary
5,000 count secondary
Updates 4/sec. nominal
Analog - 25 segments, updates 40/sec.
Operating temperature 32˚ to 122˚F (0˚ to 50˚C)
Storage temperature -4˚ to 140˚F (-20˚ to 60˚C)
Temperature coefficient Nominal 0.15 x (specified accuracy)/˚C @
(0˚ to 18˚C or 28˚ to 50˚C) Otherwise as
specified
Relative Humidity 0% to 80% @ 32˚ to 95˚F
0% to 70% @ 96˚ to 122˚F
Altitude Operating - up to 6,500 feet (2,000 m)
Storage - up to 32,000 feet (10,000 m)
Battery type Single 9V battery - NEDA 1604, JIS 006P
or IEC 6F 22
Battery life 150 hrs. typical (with backlight off)
Shock vibration Per MIL-T-PRF 28800 for Class II instruments
Pollution degree 2
Electromagnetic ca p a b i l i ty Susceptibility - commercial limits for
(EMC) EN 50082-1
Emissions - commercial limits for EN 50081-1
Size (H x W x D) 8.2” x 4.1” x 2.1” (208 x 103 x 54 mm)
Weight Approximately 1.44 lb (655 g)
Warranty 5 years
Calibration interval 1 year
B a c k l i g h t For clear readings in poorly lighted areas
Fast auto ra n g i n g Meter automatically selects the best range quickly
AC+DC total RMS Choices for AC only, AC+DC readings or
AC and DC
(@40Hz to 10 kHz) Dual display
DBm, dBV User selectable impedance references for dBm
User selectable voltage references for dBV
Auto HOLD Holds readings on display
C o n t i n u i t y/Open test Beeper sounds
Fast analog bar gra p h 25 segments for view of fast events and trends
M e m o ry loca t i o n s 20
D u t y cycle/pulse width Measures the time that the signal is ON or OFF
in % or milliseconds
MIN / M A X mode Record maximum, minimum and average values
1mS PEAK mode Captures peaks of 1 millisecond
C l o s e - c ase ca l i b r a t i o n No internal adjustment necessary
Batter/fuse access door B a t t e r y or fuse replaceable without voiding
ca l i b ra t i o n
High-impact over Protective feature for the meter and user
molded ca s e
DM397 • True RMS Digital Multimeter
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The DM397 is an advanced full-featured digital
multimeter designed for engineers, HVAC and electrical
technicians, whose work demands greater accuracy
and resolution. The RS232 data logging kit includes
software, and allows any measured parameter to be
monitored or recorded to a PC for further analysis.
The 50,000 count dual display shows two parameters
simultaneously eliminating the need to toggle between
selections. The DM397 stands alone as the best value
in high-end multimeters.
The DM397
has the following features:
• True RMS
• All input, ranges, and functions protected to 1000V CAT III
• 1000 AC/DC and AC+DC Volts
• 10 AC/DC and AC+DC Amps
• dBm and dBV
• High resolution Resistance and Conductance
• Frequency / Duty Cycle
• Pulse Width
• Temperature
• Capacitance
• Continuity
• Relative Mode and Diff (REL∆) mode
• Data logging kit with software
• Data Storage and Recall
• MIN/MAX/AVG
• 1mS Peak Capture
• Audible and Visual input warnings
• Backlit dual display with analog bar-graph
• Closed Case Calibration
• Access to battery and fuses without breaking calibration seals
• Open fuse detection
• Five year limited warranty
Copyright © 2007 UEi Specifications are subject to change without notice. L645 1/07
DM397 • True RMS Digital Multimeter
Distributed By:
1-800-547-5740 • Fax: (503) 643-6322
www.ueitest.com • Email: info@ueitest.com
IN CANADA
Vancouver: Phone: 1-877-475-0648 • (604) 278-4511 • Fax: (604) 278-8299
Toronto: Phone: 1-877-475-0648 • Fax: (905) 238-5117
IN EUROPE
Phone: +44 1707 375550 • Fax: +44 1707 393277
Standard Accessories:
Test Leads . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ATL55
Alligator Clips . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .AAC3
Battery, 9V . . . . . . . . . . . . . . . . . . . . . . . . . . . NEDA 1604 or 6LR61
Fuse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .AF38, AF39
Temperature Probe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ATT29A
Temperature Plug Adapter . . . . . . . . . . . . . . . . . . . . . . . . . .ATT70
Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Included
Computer Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Included
Optional Accessories:
Flame Safeguard Test Kit . . . . . . . . . . . . . . . . . . . . . . . . . .ATLFSG
Premium Silicon Leads . . . . . . . . . . . . . . . . . . . . . . . . . . . .ATL300
AC/DC Current Clamp Adapter . . . . . . . . . . . . . . .CA383B, CA30
Dual Temperature Adapter . . . . . . . . . . . . . . . . . . . . . . . . . . .TA2K
Line Splitter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ALS1
Micro Amp Adapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .DLMAT2
Optional Storage Case . . . . . . . . . . . . . . . . . . . . . . . . . . . . .AC519
Temperature Probe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Type K
Thermocouple mV Adapter . . . . . . . . . . . . . . . . . . . . . . . . .ATHA1
PLEASE
RECYCLE
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