• Out of the box measurement range 131 feet (40 meters), 230 feet (70 meters, H-3612Version)
• ±3.0mm accuracy
• Non-contact level measurement eliminates the need for stilling wells and other infrastructure.
• -40 C to +60 C operation
• NEMA 4x enclosure is suitable for outdoor installations
• Stainless steel horn
• Frequency range - approx 26 Ghz
• Built-in LCD display for monitor and setup
• Low current operation (8.0 mA typical standby)
• Continuous operation, no warmup or "lock on"
• Simple to install, use, and maintain
• Mounting enclosures, radio communication links and other accessories are available.

 

 

Performance
Measurement	Standard Rate	0.75 ft to 131 ft (0.3 m to 40 m)
	Accuracy	±0.01 ft (±3.0mm)
	(Including linearity, repeatability and hysteresis)
Radar Unit	Frequency	~26 GHz
	Electromagnetic Compatibilty	Emission to EN 61326 Electrical Equipment Class B
	Pulse Energy	1mW max (1μW average)
	Beam Angle	10° (3-in dia horn, standard) 8° (4-in dia horn, extended) 10° Fixed horn for H-3613
	Measuring Distance	Beam Radius (3 in Horn)	Beam Radius (4 in Horn)
	10 ft (3.0 m)	0.87 ft (0.27m)	0.39 ft (0.21 m)
	20 ft (6.1 m)	1.75 ft (0.53 m)	1.4 ft (0.47 m)
	30 ft (9.1 m)	2.62 ft  (0.80 m)	2.1 fg (0.64 m)
	40 ft (12.2 m)	3.50 ft (1.07 m)	2.8 ft (0.85 m)
	50 ft (15.2 m)	4.37 ft (1.33 m)	3.5 ft (1.06 m)
	75 ft (22.9 m)	6.56 ft (2.00 m)	5.24 ft (1.6 m)
	100 ft (30.5 m)	8.75 ft (2.67 m)	6.99 ft (2.13 m)
	131 ft (40 m)	11.46 ft (3.49 m)	9.16 ft (2.8 m)
Interface
SDI-12	Baud Rate	1200
	Protocol	SDI-12 V1.3, 7-bit even parity, 1 stop bit
	Output Voltage Level	Minimum high level: 3.5 volts
		Maximum low level: 0.8 volts
	Response Time	SDI-12:  800 mdS (type) 5-seconds max
Power Requirements	Voltage Input	10 to 16 Volts DC
	Supply Current	Sleep Mode 8mA max Active (measuring) 15mA 20mA for startup
	Surge Protection	Built in, 1.5 KVA
Environmental
	Operating Temperature	-40° C to 60° C
	Storage Temperature	-40° C to 80° C
	Temperature Sensitivity	-40° C to 80° C
Mechanical
	Rating	NEMA 4x
	Housing	Aluminum, coated IP65
	Horn Size	3-inch, L = 8.3”, d = 3” (L=211mm, d=75mm) standard
		4-inch, L = 11”, d = 4” (L=282mm, d=95mm) optional
		H-3613 - L = 5.5” d = 4.5”  (L=140mm, d=114mm)
	Horn Material	H-3611 316L stainless steel
		H3613- PTB
	Internal Display	LCD with back light
Connections	+12V & SDI-12	Internal 3-position connector. 6ft (1.8 m) polyurethane pigtail is provided.
	Cables	6 ft (1.8 m) cable with RS-232 connector for TofTool connection.
Size	H-3611i	17" x 6" x 6" (43.18 x 15.24 x 15.24 cm)
	H-3613i	13" x 6" x 6" (33 x 15 x 15 cm)
Weight	H3611i	8 lbs (3.6 kg)
	H3613i	7lb (3.18 kg)
Miscellaneous
Warranty	The WaterLOG® H-3611 & H-3613 series radars are warranted against defects in materials and workmanship for two years from date of shipment.
Specifications subject to change without prior notice due to ongoing commitment to product testing and improvement. LR January 15, 2011. D180311.

Manuals

H-3611 / H-3612 / H-3613 Manual

FAQs

Modifying H-3611 Radar settings for dry river bed installations.

Radar Mapping

Radar Averaging

Catalogs & Brochures

H-3611/H-3612/H-3613 Radar Water Level Sensors Brochure

White Papers

Accuracy of Radar Water Level - UGSG Study

Using Microwave Radar - NOAA

Radar Along New England Coast

 

		H-3611-DAAR Mounting Enclosure for Radars H-3611-DAAR Mounting Enclosure for Radars with H-4401-S Radio Link, 5 Watt Solar Panel with Regulator, 7 Amp Hour Battery and Whip Antenna.
		H-3611-HORN3 3 Inch Replacement Horn for Radars H-3611-HORN3  3 Inch Replacement Horn for Radars
		H-3611-HORN4 4 Inch Replacement Horn for Radars H-3611-HORN4 4 Inch Replacement Horn for Radars
		H-3611-MB Mounting Bracket for mounting Radar Sensors H-3611-MB Mounting Bracket for mounting Radar Sensors
		H-3611-MOUNT Mounting Enclosure for Radars H-3611-MOUNT Mounting Enclosure for  Radars.  Easily mounts to bridge. Tiltable to make horn replacement and maintenance easy. Works with both 3 in. and 4 in. Horns.
		H-3611-R Mounting Enclosure for Radars H-3611-R Mounting Enclosure for Radars with H-424MS SDI-12 Radio Transceiver, 5 Watt Solar Panel with Regulator, 7 Amp Hour  Battery and Whip Antenna.