Environmental Specifications; Input System Specifications - YSI MultiDO 5400 User Manual

Environmental Specifications

Environmental Category Operating Range
Temperature -15 to 70˚C (5 to 158˚F)
Enclosure Rating NEMA 4X (direct exposure to outside conditions) IP65
Compression Fitting Rating IP 68/NEMA 6 (liquid tight)
Electrical Safety IEC compliant*
Other RoHS compliant
See Appendix 4 Declaration of Conformity - 248.

Input System Specifications

Aux Systems There are 6 Aux input systems that allow digital or analog (0-
1.0VDC, 0-5.0VDC, or 4-20mA) configuration. In addition, four
of the Aux systems can be configured as temperature systems see
Temperature Systems Specs - 15.
Aux System Type Digital
Range dry contact open/close
Accuracy n/a
Resolution n/a
DO Systems There are up to 4 independent DO systems. Each DO system has
2 control ranges, 2 control ranges, and high and low alarming.
Sensor Type Galvanic (mV)
5400
Membrane Type Teflon (TE), 2 mil (gray)
Range 0 to 500% air saturation
0 to 60 mg/L
Accuracy ±2% or ± 0.2 mg/L, whichever is greater for 0-200%
±6% of reading for 200-500%
Resolution 0.1% (0.0-99.9%); 1% (> 99.9)
0.01 mg/L (0-10 mg/L); 0.1 mg/L (10-60 mg/L)
Introduction
Analog
0 -1.0 VDC, 0-5.0 VDC, or 4-20mA
0-1.0VDC: ± 3% ± 10 mV
0-5.0VDC: ± 3% ±15 mV
4-20 mA: ± 3% ±100μA
user selectable (0), (0 .0), or (0.00)
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Response Time 95% of reading in 36 seconds for 2.0 mil Teflon membrane.
Cable lengths 4, 10, 20 m (special order up to 100m)
Flow require- 6 inches per second or 15.24 cm/second for 2.0 mil Teflon mem-
ments brane
Other manual salinity compensation for DO mg/L readings
Sensor Type Optical Dissolved Oxygen (dynamic luminescence quenching
5500D-01, 5500D-02, lifetime detection)
5500D-04
Dimensions 19 cm length (7.5 in); 2.4 cm diameter (0.95 in)
Membrane Type Sensor Cap includes calibration coefficients
Range 0-500% air saturation
0 to 50 mg/L
Accuracy ±0.2°C
Salinity Input Range 0-50 ppt
Storage Temperature -20 to 70°C
Operating Tempera- -5 to 70°C
ture
Response Time 90% in 25 seconds; 95% in 45 seconds
Cable lengths 1- 4- 10- 20- 30- 40- 50- 60- and 100-m;
(3.3, 13.1, 32.8, 65.6, 98, 131, 164, 197 and 328 ft)
Flow requirements None
Temperature There are 4 independent temperature systems. Auxiliary inputs
3, 4, 5, & 6 can be configured as temperature systems. Each tem-
Systems
perature system has 1 control range, 1 control  range, and high
and low alarming. Temperature systems can be configured as the
temperature source for DO measurements on a 5400 or as stand
alone systems on either 5400 or 5500 instruments..
Sensor type 10,000 ohm @ 25°C thermistor
Range 0-45°C; 32-113°F
Accuracy ± 0.2°C
Resolution 0.1°C
Introduction
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