Appendix – Teledyne LXT-280 User Manual

Page 51

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Dissolved Oxygen Transmitter

Appendix

Teledyne Analytical Instruments

41

Appendix

A.1 Specifications

Packaging: FM approved SS NEMA-7C explosion-

proof enclosure suitable for use in Class I,
Div. I, Groups C through G.
Electronics: FM approved for use in Class
I, Div. I, Groups A through G

Power Requirements: 24 VDC, Maximum 50 VDC, Minimum

13.5 VDC

Output: 4-20 mA or 20-4 mA, linear and

expandable. Maximum 3 outputs.

Max. Loop Impedance: 525 ohms for 4-20 mA compliance.

Power Supply— Relay Module (Optional):

115/230 VAC, 50/60 Hz, 0.5 A
2 ea. Form C, SPDT dry contacts, 5.0 A.

Display: Menu driven 32 alphanumeric character

display, Supertwist LCD. Simultaneously
displays process ID, Process value and
units, % output and temp in °C or °F.

Sensor: Application specific

Ranges: 0-200 % fully expandable and reversible.

0-20 ppm.

Response Time: 90% of step change in 1 second

Accuracy: ±0.10% of full scale

Linearity: ±0.05% of full scale

Sensitivity: ±0.01 ppm

±0.1 percent saturation

Stability: ±0.2% per year @ 0 to 70°C

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