2
MODEL 5081-A
SECTION 1.0
DESCRIPTION AND SPECIFICATIONS
1.2 SPECIFICATIONS - GENERAL
Housing:
Cast aluminum with epoxy coating.
type 4X (IP65). Neoprene o-ring cover seals.
Dimensions:
160.5 mm x 175.3 mm x 161.3 mm (6.3
in. x 6.9 in. x 6.4 in.) See drawing.
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
(oxygen, ozone, or chlorine), second line shows
temperature and output current. For pH/chlorine
combination, the second line can be toggled to show
pH. Fault and warning messages, when triggered,
alternate with temperature and output readings.
Process variable: 7 segment LCd, 0.8 in.
(20 mm) high.
temperature/output/pH: 7 segment LCd, 0.3 in.
(7mm) high.
display board can be rotated 90 degrees clock-
wise or counterclockwise.
during calibration and programming, messages
and prompts appear in the second line.
Temperature range:
0-100°C (0-150°C for steam
sterilizable sensors)
Temperature resolution:
0.1°C
Accuracy using RTD:
±0.5°C between 0 and 50°C,
±1°C above 50°C
Accuracy using 22k NTC:
±0.5°C between 0 and
50°C, ±2°C above 50°C
RFI/EMI:
EN-61326
HAzARDOUS AREA CLASSIFICATION:
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
ATEx
0600 II 1 G
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 pro-
tective 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
Explosion-Proof:
Class I, div. 1, Groups B-d
Class II, div. 1, Groups E-G
Class III, div. 1
Class I, Groups B-d
Class II, Groups E-G
Class III
tamb = 65°C max
Repeatability (input):
±0.1% of range
Linearity (input):
±0.3% of range
Input Ranges:
0-330 nA, 0.3-4 µA, 3.7-30 µA,
27-100 µA
F
OUNDATION
Fieldbus:
Four (4) AI blocks assignable to measurement
(oxygen, ozone, or chlorine), temperature, pH,
and sensor current.
