Specifications - General - Emerson Rosemount Analytical HART 5081-A-HT Instruction Manual

Two-wire chlorine, dissolved oxygen, and ozone transmitter
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MODEL 5081-A

1.2 SPECIFICATIONS - GENERAL

Housing: Cast aluminum with epoxy coating. Type 4X
(IP65). Neoprene O-ring cover seals.
160.5 mm x 175.3 mm x 161.3 mm (6.3 in. x 6.9 in. x 6.4 in.)
Conduit Openings: ¾-in. FNPT
Ambient Temperature: -4 to 149°F (-20 to 65°C)
Storage Temperature: -22 to 176°F (-30 to 80°C)
Relative Humidity: 0 to 95% (non-condensing)
Weight/Shipping Weight: 10 lb/10 lb (4.5/5.0 kg)
Display: Two-line LCD; first line shows process variable
(pH, ORP, conductivity, % concentration, oxygen,
ozone, or chlorine), second line shows process tem-
perature and output current. For pH/chlorine combina-
tion, the second line can
Fault and warning messages, when triggered, alter-
nate with temperature and output readings.
First line: 7 segment LCD, 0.8 in. (20 mm) high.
Second line: 7 segment LCD, 0.3 in. (7mm) high.
Display board can be rotated 90 degrees clockwise or
counterclockwise.
During calibration and programming, messages and
prompts appear in the second line.
Temperature resolution: 0.1°C
Input ranges: 0-330 nA, 0.3-4µA, 3.7-30 µA, 27-100 µA
Repeatability (input): ±0.1% of range
Linearity (input): ±0.3% of range
Temperature range: 0-100°C (0-150°C for steam steriliz-
able sensors)
Temperature accuracy using RTD: ±0.5°C between 0
and 50°C, ±1°C above 50°C
Temperature accuracy using 22k NTC: ±0.5°C between
0 and 50°C, ±2°C above 50°C
Digital Communications:
HART: PV, SV, TV, and 4V assignable to measurement
(oxygen, ozone, or chlorine), temperature, pH, and
sensor current.
RFI/EMI: EN-61326
Power & Load Requirements:
Supply voltage at the transmitter terminals should be at
least 12 Vdc. Power supply voltage should cover the volt-
age drop on the cable plus the external load resistor
required for HART communications (250 W minimum).
Minimum power supply voltage is 12 Vdc. Maximum power
supply voltage is 42.4 Vdc (30 Vdc for intrinsically safe
operation). The graph shows the supply voltage required to
maintain 12 Vdc (upper line) and 30 Vdc (lower line) at the
transmitter terminals when the current is 22 mA.
Analog Output: Two-wire, 4-20 mA output with superim-
posed HART digital signal. Fully scalable over the
operating range of the sensor.
Output accuracy: ±0.05 mA
2
be toggled to show pH.
HAzARDOUS LOCATION APPROvAL:
Intrinsic Safety:
Class I, II, III, Div. 1
Groups A-G
T4
Tamb = 70°C
Exia Entity
Class I, Groups A-D
Class II, Groups E-G
Class III
T4
Tamb = 70°C
0600 II 1 G
ATEx
Baseefa02ATEX1284
EEx ia IIC T4
Tamb = -20°C to +65°C
IECEx BAS 09.0159X
Ex ia IIC T4 Ga
ATEx and IECEx Special Conditions for Use: The model 5081
enclosure is made of aluminum alloy and is given a protective
polyurethane paint finish. However, care should be taken to protect
it from impact or abrasion if located in a zone 0 hazardous area.
Non-Incendive:
Class I, Div. 2, Groups A-D
Dust Ignition Proof
Class II & III, Div. 1, Groups E-G
Type 4X Enclosure
Class I, Div. 2, Groups A-D
Suitable for
Class II, Div. 2, Groups E-G
T4 Tamb = 70°C
SECTION 1.0
DESCRIPTION AND SPECIFICATIONS

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