Multimeter Review / buyers guide: Pt 1 - UNI-T UT71D

Review of the UNI-T UT71D multimeter / DMM - 4000 / 40000 count, 0.025% / 0.05% DC accuracy, internal data logging for 10 000 values, PC data logging.
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If there is enough interest in this multimeter Franky will stock it on his eBay store:
http://www.99centHobbies.com
Or contact Franky for discount on my forum.

Further discussion and picture here on my forum: http://mjlorton.com/forum/index.php?topic=191.0

I part 1 of this review I take a look at the features, functionality, resolution and accuracy of the UT71D. In some respects I compare it to the Agilent U1272A.

I use both the PentaRef and DMMCheck Plus from Doug at VoltageStandard.com

Details and specs of the UNI-T (Unitrend) UT71D:
http://www.uni-trend.com/UT71d.html

Basic Functions Range Best Accuracy
DC Voltage 400mV/4V/40V/400V/1000V (0.025%+5)
AC Voltage 4V/40V/400V/1000V (0.4%+30)
AC Bandwidth 100KHz
DC Current 400µA/4000µA/40A/400mA/10A (0.08%+8)
AC Current 400µA/4000µA/40A/400mA/10A (0.5%+15)
Resistance 400W/4kW/40kW/400kW/4MW/40MW (0.3%+8)
Capacitance 40nF/400nF/4µF/40µF/400µF/4mF/40mF (1%+20)
Temperature (°C) -40°C ~ 1000°C (1%+30)
Temperature (°F) -40°F ~ 1832°F (1.5%+50)
Frequency 40Hz/400Hz/4kHz/40kHz/400kHz/4MHz/40MHz/400MHz (0.01%+8)
Duty Cycle 10%~90% (1%+30)
4~20mA Loop 0~100% (1%+50)
Power Measurement
Special Functions
Fused 10A Range
Auto Ranging
Current Measurement Alarm
Function Set Up
Auto Ranging
Votage & Current :
AC + DC Measurement
Data Logging 9999
Data Recall
Diode
Continuity Buzzer
True RMS
Peak Hold
Max/Min Mode
Relative Mode
Data Hold
USB
Double Display Backlight
Full Icon Display
Sleep Mode
Low Battery Display

Input Impedance for
DC Voltage Measurement
DC 200mV : Around 2.5GW
All Other Ranges : 10MW

Max. Display 40000
Analogue Bar Graph

GENERAL CHARACTERISTICS
Power 9V Battery (6F22)
LCD Size 73 x 50 mm
Product Colour Red and Grey
Product Net Weight 384g
Product Size 200 x 93 x 40mm
Standard Accessories Test Lead, English Manual, Battery, Alligator Clip, USB Interface Cable,
Software, Point Contact Temperature, Probe, Carrying Bag, Test Clip
Standard Individual Packing Gift Box
Standard Quantity Per Carton 20 pcs
Standard Carton Measurement

542 x 376 x 388mm
(0.079 CBM Per Standard Carton)
Standard Carton Gross Weight 18kg

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