Industrial Level Control Division Level controllers, switches and transmitters, designed specifically for harsh industrial applications, including caustic and chemical solutions for liquid and solid measurement. Australian Distributors of WaterLOG® high precision environmental products for water & weather measurement.

WaterLOG® DH21 Submersible Pressure Transducer and Data Logger Specifications (page 2) General Specifications Power Supply Primary Source: 2 user replaceable 3.6V Lithium cells, or External Source: Ranging from 6V - 15V. Dry Air System A proprietary dry air system prevents moisture from condensing in the WaterLOG. Provides automatic compensation for changes in atmospheric pressure without impairing the sensor's accuracy. Sensor Cable WaterLOG to Surface Mounting Enclosure: Field spliceable 1/4" vented, shielded, three-wire cable allows quick reference to atmospheric pressure and minimizes the chances of vent blockage by particulates or kinks (problems inherent to smaller vent tubes). Standard length: 10 foot (longer lengths are available if required). Data Connection The I/O connector on the mounting enclosure provides an easy interconnect to Laptop, Palmtop, PC or field terminal, etc. Mechanical Data Material: Noncompressible and noncorrosive engineering plastics with polyethylene vent tubing. Size: 1.425" maximum diameter x 12" long. Designed to go in 2" or larger well bores. The WaterLOG DH-21 includes a surface mounting enclosure which contains the battery supply, RS-232 communication electronics and dry air system. These facilities can be packaged for various applications such as well top and stream gauging. (Consult factory for information on well and stream gauging installation packages.) Warranty The WaterLOG DH-21 is warranted against defects in materials and workmanship for one year from date of shipment. Note The specifications outlined above are subject to change without prior notice due to an ongoing commitment to testing and product improvement. September 1, 2000 WaterLOG® DH21 Introduction WaterLOG® DH21 Specifications Page 1 WaterLOG® DH21 Specifications Page 2 Download PDF File (397kb)

DH21 Introduction Specifications Page 1 Specifications Page 2 Download PDF File (397kb) 1. Install Site installation is a snap with different installation options. 2. Setup Only a few setup options are required to start the logging process. This can be done in the office or at the site. 3. Logging Once set up and installed, the logger can record data for up to two years based on logging data once an hour. The equipment can withstand harsh natural environments. 4. Site Service Site service can be done using a simple ASCII Hand Terminal, Palmtop PC, or a Laptop. Site servicing normally includes changing the batteries, (if required) data retrieval, data analysis and making any needed site adjustments. 5. Data Retrieval Remote access can be accomplished via modem (cellular or land line). 6. Data Analysis Data can be analyzed using our innovative "WaterWARE"™, point and click software or popular spreadsheet programs.

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© 2002 Semrad Pty Ltd Australian Distributors of
Environmental products - high precision instruments, data logging & communications
for effective water level measurement, flow control and environment management.