HT Instruments HT7 Bedienungsanleitung Seite 23

2. GENERAL DESCRIPTION
The instrument performs the following measurements:
• DC voltage with 2-wire method
• AC voltage with 2-wire method
• AC voltage with 1-wire method (polarity detection)
• AC Voltage measurement with low impedance input
• Phase sequence indication
• Continuity test with buzzer
The measure is displayed with indication of measurement unit both in numerical mode and
as bargraph. A white LED torch is also available to illuminate dark environments.
3. PREPARATION FOR USE
3.1. INITIAL CHECK
This instrument was checked both mechanically and electrically prior to shipment. All
possible cares and precautions were taken to let you receive the instrument under perfect
conditions. Notwithstanding we suggest you check it rapidly (any damage may have
occurred during transport). Make sure that all standard accessories mentioned in § 7.3.1
are included. Should you have to return the instrument for any reason please follow the
instructions mentioned in § 8
3.2. SUPPLY VOLTAGE
The instrument is powered by 2x1.5V alkaline batteries type AAA LR03. When batteries
are low, a low battery indication "
instructions of § 6.2
3.3. STORAGE
After a period of storage under extreme environmental conditions exceeding the limits
mentioned in § 7.2.1, let the instrument restore normal measuring conditions before use.
"is displayed. To replace batteries follow the
EN - 4
HT7