Libra 1C

Single Phase Energy Meter

•Support ANSI C12.18, C12.19, C12.22 or DLMS protocol

•Availability: FORM 1S, 2S, 12S

•Accuracy: 0.5

•Prepaid/post-paid (switchable) (optional)

•Battery replaceable

•Firmware upgrade via local interface and OTA

•RS485, RF, 4G (LTE) modules (optional)

•Highly tamper-proof

•Comply with protocols:ANSI C12.18, C12.19 & C12.22 or DLMS

•Optional local/remote controlled disconnector

•Plug and play Modules

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Main Functions

Event Logs		Tamper detection (meter cover open, current reverse, relay attack, etc.)
		Failure detection (memory error, measurement system error, low battery voltage, etc.)
		Power quality events (under voltage / over voltage / bad voltage quality, power failure, etc.)
		Security events (parameters change, firmware upgrade, etc.)
		Standard events (clock adjustment, maximum demand, etc.)
Firmware Upgrade		Firmware can be upgraded via optical interface
		Each firmware can be upgraded independently
		Fallback mechanism support
Tariff		Max. 4 tariffs and 4 seasons
		Support Saturday, Sunday, working days, holidays, etc.
		Support DST
		Programmable calendars and schedules
Communication		Local optical port
		Optional RS485, 4G (LTE), RF communication modules
Security		Three levels of passwords for security: Master (High), Reader (Middle),Customer (Low)