2
5081C-HT
Instruction Sheet
January 2015
LIQ_MAN_ABR_5081C-HT/Rev.G
Specifications
pHySICAl SpeCIFICATIoNS
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.)
diameter:
155.4 mm (6.1 in.)
electrical Conduit openings:
3/4 in. FNPT
power Supply and load:
A minimum loop resistance
(load) of 250 ohms and a minimum power supply of 18
volts DC is required for digital communication as shown in
the load/power supply graph below.
local Readout:
Main Display is 4 digits, 20 mm tall (0.8 in.)
Message Display is ten digits, 7 mm tall (0.3 in.)
Automatic Temperture Compensation
3-wire Pt100 RTD
Conductivity: 0 to 200 °C (32 to 392 °F)
% concentration: 0 to 100 °C (32 to 212°F)
Low Conductivity: 0 to 100 °C (32 to 212 °F)
Ambient temperature:
-20 to 65° C (-4 to 149° F)
Relative Humidity:
0-95% with enclosure sealed.
Ce: eMI/RFI certified:
EN61326
HAzARdoUS AReA ClASSIFICATIoN:
Intrinsic Safety:
Class I, II, III, Div. 1
Groups A-G
T4 Tamb = 70°C, = 62°C (-FF)
Exia Entity
Class I, Groups A-D
Class II, Groups E-G
Class III
T4
Tamb = 70°C
IECEx BAS 09.0159X
Ex ia IIC T4 Ga
0600 II 1 G
Baseefa03ATEX0099
EEx ia IIC T4
Tamb = -20°C to +65°C
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
TRANSMITTeR SpeCIFICATIoNS @ 25°C
Measured Range*
: 0-20,000 µS/cm
Accuracy:
± 0.5% of reading and ± 0.001 µS/cm
Repeatability:
± 0.25% of reading
Stability:
0.25% of output range/month, non-cumulative
Ambient Temperature Coefficient:
± 0.05% of reading/°C
Temperature Slope Adjustment:
0-5%/° C
Other temperature compensation algorithms: ultra-pure
water compensation, cation conductivity, or raw (uncom-
pensated) conductivity.
Compatible RTd:
100
W
or 1000
W
with Automatic
Recognition
loop SpeCIFICATIoNS
loop Accuracy:
Under controlled laboratory conditions
at 25°C (77°F) with perfectly calibrated ENDURANCE sen-
sor of appropriate cell constant:
up to 5,000 µS/cm:
± 1.0% and ± 2 least significant digit
from 5,000 to 20,000:
± 2% of reading and ± 2 least sig-
nificant digit
SeNSoR SeleCTIoN GUIdelINeS
Note:
The conductivity values shown in the above chart are for UNCOMPENSATED (or
RAW) conductivity at 25°C. Maximum range values will vary due to temperature com-
pensation selection, process temperature, and other process conditions.
ATEX
Cell Constant
Suggested Conductivity Range
0.01/cm
up to 50 µS/cm
0.1/cm
1.0 to 500 µS/cm
1.0/cm
10 to 20,000 µS/cm
