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Quick Guide
1. General Safety Summary
The instrument is designed to meet the safety requirements of GB4793 safety requirements for
electronic measuring instruments, IEC/EN61010-1, EN61010-2-030 pollution class 2, overvoltage CATI
1000V, CATII 300V and double Insulation; and complies with the IP65 standard for waterproofing and
dustproofing.
This manual contains information and warnings that must be observed to keep the instrument in a safe
condition and ensure safe operation.
1.
Use Proper Power Cord. Use only the power cord specified for this product and certified for the country
of use, and make sure that no metal parts are exposed and the insulation is broken.
2.
Ground the Product. This product is grounded through the grounding conductor of the power cord. To
avoid electric shock, the grounding conductor must be connected to earth ground. Before making
connections to the input or output terminals of the product, ensure that the product is properly
grounded. The signal ground on the rear panel of the product is the same as the ground potential.
3.
Check the Wire. Check if the insulation of the test lead is damaged or if the lead is exposed; check if the
test lead is on, if there is any damage to the lead, replace it before using the instrument.
4.
Observe All Terminal Ratings. The voltage applied between the terminals or any one of the terminals and
the grounding point must not exceed the rated value indicated on the instrument.
5.
Do Not Touch Live Part. Do not touch exposed connection wires, unused inputs or circuits being
measured while the instrument is in use. When measuring voltages higher than 60V DC or 30V AC, be
sure to exercise caution and remember to keep your fingers away from the meter's guard position to
prevent electric shock.
6.
Do Not Operate with Suspected Failures. If you suspect that this product is malfunctioning, contact UNI-
T's authorized service personnel for testing. Any maintenance, adjustment, or replacement of parts on
this product must be performed by UNI-T authorized service personnel.
7.
Avoid Exposed Circuitry. Do not touch exposed connections and components when power is present.
8.
Do Not Operate Without Covers. Do not operate this product with covers or panels removed, and do not
adjust the internal circuit.
9.
Use Proper Fuse. Use only the fuse type and rating specified for this product.
10. Use Proper Over-voltage Protection. Make sure that no overvoltage (e.g. caused by lightning) reaches the
product, as this may result in electric shock to the operator.
11.
Avoid Severe Environment. Avoid using the instrument in high temperature, high humidity, flammable,
explosive and strong electromagnetic environments.
12. Disconnect the Power Supply. Before testing the impedance, conduction, diodes, or capacitance,
disconnect power and discharge all high voltage capacitors.
Input Terminal Protection Limit
1.
Main Input Terminal (HI and LO)
HI and LO input terminals are used for voltage, impedance, capacitance, continuity, frequency and diode
test measurements. These two terminals define the following two protection limits.
1)
Protection limit from HI to LO, which is 1000 VDC or 750 VAC. This is also the maximum voltage that
can be measured. This limit can also be expressed as a maximum of 1000 Vpk.
Instruments.uni-trend.com
UT8806E Desktop Digital Multimeter
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