天津飞跃兄弟测控技术有限公司|Water Resource Measuring-Controlling Unit-Water Resource Measuring-Controlling Unit

Collecting the data of flow rate，water level，hydraulic pressure and water quality, etc.
Support for query &reply, self-reported, compatibility and debugging four working modes in total.
Self-synchronizing time calibration ，system time error within±1s/d.
Support for transmitting data to more than four branch centers at the same time.
Support for voice and short message remote wake up.
Support for historical records storage and remote download.
Remote or local recharge, pump stopped when in arrearage.
Support for remote/local parameter setting and online application programming.
Support for multi communication mode, like PSTN、Ethernet、GPRS、CDMA、SMS、USW, etc.
Communication protocol conforms to Water Resources Monitoring Data Communication Agreement staged by Ministry of Water Resources.
Industrial design, suitable for different working environment.

Technical Index		Parameters
Data collection	Pulse acquisition	±1 Pulse
	On-off control system	Dry contact，4 channels
	Analogue	12BIT，4~20mA/0~5V
Data communication	Frequency range	GSM 850 / EGSM 900 / DCS 1800 / PCS 1900MHz
	Frequency range	CMDA2000 1X800MHz
	Transmitted power	EGSM900 CLASS4（2W）
		DCS1800 CLASS（1W）
		SDMA（0.25W）
	Antenna interface	50 Ohm / SMA connector
Communication	RS232	2channels
	RS485	1channel
	Bluetooth	V4.0
Frequency	Audio input	Microphone input
Frequency	Audio output	GSM audio output，TTS audio synthetic output
Data storage	FLASH	8M
	RAM	16K
	EEPROM	256K
Real-time clock	Accuracy	±5PPM
Real-time clock	Time error	±1s/d
RF card	Working frequency	13.56MHZ
	Communication rate	106KBPS
	Reading range	<10CM
	Protocol	ISO14443 typeA，MIFARE standard algorithms
Human-machine interface	Display	128*96
Human-machine interface	Keyboard	Four keypads
Power supply	DC12±20%	DC12±20%
Output control	Solid-state relay	5A 32VDC
	Solid-state relay	5A 380VAC
	Power output	12VDC/24VDC
	On-off output	4channels
Working environment	Working temperature	-30℃ ～ +65℃
Working environment	Relative humidity	≤95%（no condensation）
Dimension	RTU	160×110×80 mm
Dimension	Crate	Customize according to the requirements of project