FineTek JTR, Operation Instruction Manual

Page: 11 / 39

11
6. Specification
Model JTR302 JTR30A JTR301 JTR305
Applicable
environment
Solid/Powder/Particle Liquid/solid Liquid
Low Dielectric
Liquid
Measuring scope
Rod type:6m
Cable type:20m
Rod type:6m
Rod type:6m
Cable type:20m
Coaxial type:6m
Connection 1"PF 1"(3A) 3/4"PF
Min. Dielectric
coefficient
2.0 1.6
Ambient
Temperature
-40~80
℃
(Applied for Ex-proof, as: ATEX
、
CSA
、
IECEx
、
TS
：
T2~T5 -40~70
℃
/ T6
-40~55
℃
, NEPSI
：
-40~60
℃
).
Operating
temperature
Standard type, -40~150
℃
Hi-temperation type, -40~230
℃
Operating pressure
0~60 bar(25
℃
)
Accuracy
±
5 mm or ±0.1% F.S. Whichever is greater
Analog output 4~20 mA
Power supply 16~30 Vdc Loop Power,16~30 Vdc 4-wire, 5~10Vdc RS485 4-Wire
Digital
communication
HART 7.3 for 2-Wire, RS485(Modbus) for 4-Wire
Housing material Aluminum alloy
Load Impedance (VS-16)/0.022A Ohm for 2-wire; 300 Ohm for 4-wire>16V
IP Protection rating IP67
Dead band
High constant coefficient (
ε＞
10)
：
Upper dead band
＜
100mm,
Lower dead band
＜
50mm
Low constant coefficient (
ε＜
10)
：
Upper dead band
＜
500mm,
Lower dead band
＜
100mm
Ex-PROOF
(option)
NEPSI Ex ia IIC T2~T4 Ga
IECEx Ex ia IIC T2~T6 Ga
ATEX II 1G Ex ia IIC T2~T6 Ga
CSA Class I, Zone 0, AEx ia IIC T2~6 Ga;
Class I, Division 1, Groups A, B, C & D, T2~6
TS Ex ia IIC T2~T6 Ga
※
Must equipped with intrinsic safety barrier to form a standard intrinsically safe system (Ex ia).