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B-1
730 Bubbler Module
Appendix B Technical Specifications
The following table contains information covering the technical
specifications of the 730 Module.
General Notes:
1. All weights may vary ± 0.2 lb (± 0.1 kg).
2. All lengths may vary ± 0.25 inch (± 0.64 cm).
Table B-1 Technical Specifications for the 730 Bubbler Module
Item Specification
Weight 1.5 lbs. (0.7 kg)
Dimensions 4.9 x 5.7 x 2.0 inches (12.4 x 14.5 x 5.1 cm)
Material Polystyrene
Operational Temperature 32° to 120° F (0° to 49° C)
Storage Temperature 0° to 140° F (-18° to 60° C)
Enclosure NEMA 4X and 6, IP67
Power Provided by the sampler.
Memory Nonvolatile programmable Flash; can be field updated through the sampler.
Readings Programmable through the sampler at 1, 2, 5, 10, 15, and 30 minute intervals.
Bubble Line Vinyl: inside diameter: 1/8 “ (0.32 cm) length: 25 feet (7.6 cm)
Range 0.010 ft (0.003 m) minimum water level above bubble outlet.
10 ft. (3.038 m) maximum water level above bubble outlet.
Level Measurement Accuracy 0.01 to 5.0 ft: 0.01 ft
0.01 to 10.0 ft: 0.035 ft
0.003 to 1.524 m: 0.003 m
0.003 to 3.048 m: 0.011 m
Includes linearlity, repeatability, and hysteresis at 77° F (25° C). Does not include
the temperature coefficient. Level is the distance between the bubble outlet and the
liquid surface.
Temperature Coefficient 0.01 to 5.0 ft: ± 0.0006 x level in feet x temperature change from 77° F
0.01 to 10.0 ft: ± 0.0005 x level in feet x temperature change from 77° F
0.003 to 1.524 m: ± 0.00108 x level in meters x temperature change from 25° C
0.003 to 3.048 m: ± 0.0009 x level in meters x temperature change from 25° C
Temperature coefficient is the maximum error within the operating temperature
range per degree of temperature change. Add to Level Accuracy.
Automatic Drift Correction ±0.002 ft (±0.0006 m) at 15 minute intervals
Level Resolution 0.001 ft (0.0003 m)