Feature Summary; Measurement Limits; Electrical Specifications - Urrea UD112 Manual De Usuario

Electromagnetic Compatibility (EMC):
Susceptibility – Commercial Limits for EN
50082-1 Emissions – Commercial Limits for
EN 50081-1.
Size (H x W x L): 40.5 x 92 x 172 mm.
Weight: Approx. 386g.
Warranty: 1 year.
Calibration Interval: 1 year.

Feature Summary

Backlight:
For clear readings in poorly lighted areas.
Fast Autoranging:
Meter automatically selects the best range
momentarily.
HOLD: Holds readings on display.
Continuity / Open test: Beeper sounds.
Battery/Fuse Access Door:
Battery or fuse replaceable without voiding
calibration.
High-Impact Overmolded Case:
Protective holster features.

Measurement limits

DC Voltage: 0 to 1000 V.
AC Voltage:
UD179 (True RMS): 15 mV to 1000 V (@ 40
Hz to 20 kHz)
UD112: 0 to 1000 V (@ 40 Hz to 400 Hz).
Basic Accuracy:
DC voltage – 0.5% AC voltage – 0.75%.
DC Current: 0 to 10 A (20 A for 30 seconds).
AC Current:
UD179 (True RMS): 20 μA to 10 A (20 A for
30 seconds)
UD112: 0 to 10 A (20 A for 30 seconds).
Resistance: 0 to 40 MW.
Capacitance: 0.01 nF to 100 μF.
Frequency: 0.5 Hz to 10 MHz.
Duty Cycle:
0.1 % to 99.9 % for 0.5 Hz to 500 kHz (pulse
width > 2 μsec.).
Diode Test: 2.5 V.
Continuity Check: Beep at Approx. < 10 W
(response time < 1 ms).
Temperature (UD179 only):
–40°C to 1300°C (–40°F to 2372°F).

Electrical Specifications

Accuracy is given as ± ([% of reading] +
[number of digits]) at 18°C to 28°C with
relative humidity up to 80%, for a period of
one year after calibration.
True-RMS responding
specified from 5% to 100% of range or
otherwise specified; Crest Factor < 3:1 at full
scale and < 6:1 at half scale.
Function
Range Resolution
400 mV 100 μV
4 V 1 mV
40 V 10 mV
400 V 100 mV
1000 V 1 V
NMRR: > 60dB @ 50/60 Hz CMRR: > 120 dB @ DC, 50/60 Hz,
Rs=1kΩ Input Impedance: 10 MΩ, 30 pF nominal (50 MΩ,
100 pF nominal for 400 mV range)
Function
Range Resolution 40Hz-400Hz
UD112
400 mV 100 μV
4 V 1 mV
0.75%+3
40 V 10 mV
400 V 100 mV
1000 V 1V 1.0%+5
CMRR: > 60dB @ DC to 60 Hz, Rs = 1 KW Input Impedance:
10 MΩ, 30 pF nominal (50 MΩ, 100 pF nominal for 400 mV
range) *¹ : Accuracy for 400 Hz to 1 kHz
E N G L I S H
accuracies
DC Voltage
Accuracy
UD112 UD179
0.5% + 2 0.5% + 2
0.75% + 3 0.75% + 3
AC Voltage
Accuracy
400Hz-1kHz 1kHz-20kHz
UD179 UD179
2.0%+10 2.0%+10
0.75%+3 2.0% + 3
1.0%+5 2.0%+5*¹ —
are
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