Fuse(S) Replacement; Specifications - Urrea UD85 Manual De Usuario Y Garantía

6.4 Fuse(s) replacement

Follow these steps to replace the internal
fuse (s):
1. Unplug the test leads. Remove the rubber
boot from the instrument.
2. Remove the screws in the rear of the
instrument and separate the front and rear
housing.
3. Replace the fuse (s) with the same type
and size as the one removed.
4. Snap the front and rear housing back
together and reinstall the screws.
5. Reattach the rubber boot.
7. ACCESORIES
NOTE: When servicing the meter, use only
the replaceable parts specified.
UD71TLAC
Test Lead & Alligator Clip Set
UD50RS
RS-232C Interface Cable (1.5m) [Optional]
UD85SW
RS-232C Software Disc [Optional]

8. SPECIFICATIONS

8.1 Specifications.
Accuracy is given as + ([% of reading] +
[number of least significant digits]) at 18°C
to 28°C with relative humidity up to 80%,
for a period of one year after calibration.
Function
Range Resolution
400 mV 0.1 mV
4 V 1 V
± 0.3 % + 2 dgts
40 V 10 V
400 V 0.1 V
1000 V 1 V ± 0.75 % +3 dgts
Function
Range Resolution
400 μA 0.1 μA
4000 μA 1 μA
± 0.5 % + 1 dgt
40 mA 0.01 mA
400 mA 0.1 mA
4 A 0.001 A
± 1.0 % + 5 dgts
10 A 0.01 A
Function
Range Resolution
400 Ω 0.1 Ω ± 0.5 % + 10 dgt
4 KΩ 1 Ω
40 KΩ 10 Ω
± 0.5 % + 10 dgt
400 KΩ 0.1 KΩ
4 MΩ 1 KΩ
40 MΩ 10 KΩ ± 1.2 % + 8 dgts
Function Continuity
OPEN CIRCUIT TEST VOLTAGE: 1.2 V
THRESHOLD: Approx.<100 Ω
Function Verificación de Diodo
OPEN CIRCUIT TEST VOLTAGE: 3 V
MAX. TEST CURRENT: 2.5 mA
E N G L I S H
Volts DC
Accuracy Remarks
INPUT
IMPEDANCE:
> 100 MΩ
APPROX.
11 MΩ
Amperes DC
Accuracy Remarks
VOLTAGE
DROP:
100 μVμA
1.2 mV/mA
75 mV/A
Ohms
Accuracy Remarks
OPEN CIRCUIT
VOLTAGE
< 1.2 V
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