Installation Guide

Dissolved Oxygen Meter
with Excel-Formatted Data Logging SD Card
General Tools & Instruments
80 White Street, New York, NY 10013-3567
TEL: [phone] TOLL FREE: 800. 697. 8665
[e-mail] www.generaltools.com
• Hard carrying case
• Oxygen probe
• Probe-filling electrolyte
• Two spare probe heads and
diaphragm set
• 2 GB SD memory card
• User’s manual
Optional Accessories:
• 9VDC adapter for
110V power supply
(General P/N AC1)
• SDRD1 - SD Card Reader
Included Accessories:
Specifications:
Embedded Microcontroller: Custom single-chip LSI device
Display Type: LCD with green backlight
Display Size: 2.0 x 1.5 in. (52 x 38mm)
DO Measurement Range: 0 to 20 mg/L
DO Measurement Resolution: 0.1 mg/L
DO Measurement Accuracy: ± 0.4 mg/L
Oxygen in Air Measurement Range: 0 to 100%
Oxygen in Air Measurement Resolution: 0.1% O
2
Oxygen in Air Measurement Accuracy: ±0.7% O
2
Temperature Measurement Range: 32° to 122°F (0° to 50°C)
Temperature Measurement Resolution: 0.1 °F or °C
Temperature Measurement Accuracy: ±1.5 °F (±0.8 °C)
Compensation For Temperature: Automatic
Compensation For Altitude: 0 to 29,200 ft. (0 to 8,900m)
Compensation For Liquid Salt Content: 0 to 50%
Data Logging Sampling Time: 1 second to 9 hours
DO Probe Type: Polarographic
SD Memory Card Capacity: 1 GB to 16 GB
Power Consumption:
•
14 mADC (normal operation, with backlight off and
SD card not saving data)
• 37 mADC with backlight on and card not saving data
• 49 mADC with backlight on and card saving data
Operating Temperature: 32° to 122 °F (0° to 50° C)
Operating Relative Humidity: 0 to 85%
Dimensions of Meter:
7.0 x 2.7 x 1.9 in. (177 x 68 x 45mm)
Weight of Meter: 1.08 lb. (489g)
Dimensions of Probe:
7.5 (long) x 1.1 (across) inches (190 x 28mm)
Weight of Probe: 0.74 lb. (335g)
Power Source:
Six “AA” batteries or 9-VDC adapter
32
No. DOM551SD
• Uses heavy-duty polargraphic oxygen probe
• Precisely measures DO from 0 to 20 mg/L, as well as
liquid temperature
• Easy to calibrate
• Supports automatic and manual data logging
Features:
• Time-stamps and stores measurements on SD memory cards
• Sampling time settable from 1 second to 9 hours
• Automatically compensates for altitude and salt content
of liquids
• 1.5 x 2.0 in. backlit liquid crystal display