Emerson 51-DO-03 Repeatability ±0.05 ppm 25C, Power, RFI/EMI EN-61326, Output Accuracy ± 0.05 mA

MODEL DO-03/04	SECTION 1.0
	SPECIFICATIONS

SPECIFICATIONS - 499ADO-54 SENSOR

Range: 0 to 20 ppm (mg/L)

Wetted parts: Noryl1 Viton2 EPDM, Teflon3, silicone

Cathode: Gold (not normally wetted)

Accuracy: ±0.2 ppm at 25°C

Repeatability: ±0.05 ppm 25°C

Response time: 25 sec to 63% of final reading at 25°C

Pressure: 0 to 65 psig (0 to 549 kPa abs)

Temperature: 32 to 122°F (0 to 50°C)

Process connection: 1 inch MNPT

Electrolyte volume: 25 mL (approx.)

Cable length (standard): 25 ft (7.6 m)

Cable length (maximum): 300 ft (91 m)

SPECIFICATIONS - 54EA-01 ANALYZER

Enclosure: Epoxy-painted (light gray) cast aluminum, NEMA 4X (IP65). 144 x 144 x 132 mm

(5.7 x 5.7 x 5.2 in.), DIN size panel cut-out.

Front Panel: Membrane keypad with tactile feedback. Three green LEDs indicate alarm status. Red LED indicates fault condition.

Display: Three-line, back-lit, dot matrix LCD, 70 x 35 mm. First line is oxygen reading. Second line is tem- perature and current output. Third line is user- selectable. Character heights: 1st line - 16 mm (0.6 in.), 2nd and 3rd lines - 7 mm (0.3 in.).

Power:

115 VAC ± 10%, 50/60 Hz ± 6%, 8 W 230 VAC ± 10%, 50/60 Hz ± 6%, 8 W

RFI/EMI: EN-61326

LVD: EN-61010-1

Outputs: Two 4-20 mA or 0-20 mA isolated outputs. Continuously adjustable. Outputs can be assigned to oxygen or temperature. Output dampening is user-selectable. Maximum load at 100/200 Vac is 550 ohms.

Output Accuracy: ± 0.05 mA

Alarms: Relays 1, 2, and 3 are assignable to oxygen or temperature. One relay can also be used as an interval timer to operate the air blast cleaner.

Relay 4 - Sensor/analyzer fault alarm

Each relay has a dedicated LED on the front panel.

Relay Contacts: Relays 1-3: Epoxy sealed form A contacts, SPST, normally open

Relay 4: Epoxy sealed form C, SPDT

	Resistive	Inductive
115 Vac	5.0 Amps	3.0 Amps
230 Vac	5.0 Amps	1.5 Amps

Ambient Temperature: 0 to 50°C (32 to 122°F). Analyzer can be operated between -20 and 60°C (-4 to 140°F) with some degradation in display quality.

Relative Humidity: 95% (maximum) non-condensing

Temperature correction for membrane permeability: automatic between 0 and 50°C.

Calibration: automatic air calibration or calibration against a standard instrument

Pressure sensor range: 113 to 862 mm Hg (150 to 1150 mbar)

1Noryl is a registered trademark of General Electric

2Viton is a registered trademark of E.I. duPont de Nemours & Co. 3Teflon is a registered trademark of E.I. duPont de Nemours & Co.

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