MEWOI MEWOI1500D, Руководство пользователя

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-5-
II Electrical Symbols
Extremely dangerous! Operators shall rigidly follow the safety rules, or
the potential electric shock can cause personal injury or death.
Dangerous! Operators shall rigidly follow the safety rules, or the
potential electric shock can cause personal injury or death.
Warning! The safety rules shall be completely followed, or personal
injury or damage to equipments can arise.
Alternating current (AC)
Direct current (DC)
III Technical Specifications
Functions
The on-line measurement and detection for primary and
secondary current, transformation ratio, error, phase
(group) difference, polarity, phase sequence, and leaker
in the three-channel high & low voltage current
transformer and the voltage transformers
Power supply
HV Detector
：
DC6V alkaline batteries (1.5V AAA × 4)
Principal machine: DC6V alkaline batteries (1.5V AAA ×
4) 30-hour continuous operation available
Test mode Clamp CT, HV 1CT, LV 3 CT double- shield
Transmission
mode
High-pressure tested data transmitted through wireless
network, with a linear transmission distance of 20m;
Range
HV detector 1st: 0.1mA ~ 1000A
LV current clamp 2nd: 0.01mA ~ 10A
Resolution HV detector: 0.1mA; LV current clamp: 0.01mA
Primary circuit
test accuracy
(23
℃
± 3
℃
,
below70% RH)
0.0mA
～
9.99A
：
±1%±5dgt
10.0A
～
49.9A
：
±2%±5dgt
50.0A
～
199.9A
：
±3%±5dgt
200A
～
600A
：
±4%±5dgt
601A
～
1000A
：
±5%±5dgt
Secondary
circuit test
accuracy
0.00mA
～
10A
：
±1%±5dgt (three-channel being
displayed in one screen) (23
℃
±3
℃ ，
less than
70%RH)