Envco – Environmental Equipment

The Greenspan Analytical Dissolved Oxygen Sensors provide accurate long-term measurements under a wide range of environmental conditions.

Applications:
• Ground water monitoring
• Tidal and estuarine studies
• Effluent monitoring
• River and stream measurements

Specifications
Dissolved oxygen range 0-20ppm or 0-200%
Dissolved oxygen linearity 0.1 ppm or 1%
Dissolved oxygen accuracy 5-35C +/-0.2 ppm
Temperature range 0-55C
Temperature accuracy +/-1C

Sensor type Chemical Cell
Warmup time to stable reading 1 sec
Response time to 6ppm step change 15 minutes

Wetted materials 316 stainless steel, Delrin, silicon diffusion membrane

Specifications Model DO300
Supply voltage 8-15V
Output RS232

length 16.6in (423mm)
1.7in (44mm) OD Stainless
1.8in (47mm) OD Delrin
optional battery pack adds extra 10.25in (260mm) to length
Weight
14.1oz (400g) Delrin
18.7oz (530g) Stainless

Software AQUAGRAPH

Ordering Information
700-0802 DO300 Includes additional electronics for large capacity data storage, advanced calibration and linearisation program, computer compatible outputs for direct connection between sensor and PC, time and event triggering. Full 16-bit processor with capacity for additional memory expansion. Output is RS232

If choosing molded cable, a standard HS7 is fitted to this sensor.

Options for DO Sensors
FOR ALL DO SENSORS Optional WP7 Connector (Note a Detachable WP7 Cable will be required as well)
FOR DO300 ONLY Optional Battery Pack with WP7 (Note a Detachable WP7 Cable will be required as well)
FOR DO300 ONLY Optional Battery Pack with internal Communications connector
FOR DO300 ONLY Optional Battery Pack with cable
5BPK-102 Battery Pack Cell Replacement Kit
FOR DO300 ONLY CX18 Connector - required for use with sampler trigger and rain gauge input