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IM 01R01B30-00E-E 6th edition October 01, 2014 -00
<7. TECHNICAL DATA>
7-6
All Rights Reserved. Copyright © 2003, Rota Yokogawa
7.2 Standard Specifications
The responsibility with respect to the suitability and
according application of our flowmeter is only situated by
the customer.
MEASURING TUBE
Materials of wetted parts
: Stainless steel AISI 316Ti
(1.4571)
other materials on request
Fluids to be measured
: Liquid or gas
Measuring range
: see flow table
Measuring range ratio
:
10:1
Process connections
:
– Inner thread
: G1/4; 1/4 NPT; G 3/8; 3/8; NPT
– Cutting ring
: 6 mm; 8 mm; 10 mm; 12 mm
– Cutting ring (Swagelok)
: 6 mm; 8 mm; 10 mm; 12 mm
– Nozzle
: 6 mm; 8 mm
– Flange
: - acc. EN 1092-1
DN15 and DN25 PN40;
-
acc. ASME B 16.5 ½” and 1”
150 lbs, 300 lbs
- gasket PTFE
Process pressure
:
depends on process
connection; see model code
Viscosity limit
: 6 mPas
Process temperature
:
without valve -25°C to 250°C
with valve -25°C to 150°C
See also fig. 6. Lower
temperatures on request.
Measurement accuracy
: acc. Directive VDI/VDE 3513
sheet 2 (q
G
=50%)
4%
Installation :
– Installation position
: vertical
– Flow direction
: upwards
– Face to face length
:
125 mm
(with flange 250 mm)
Weight
: see table 14
LOCAL INDICATOR
(Indicator/Code -T)
Principle :
The indication is made by magnetic coupling of a magnet
enclosed in the float and a magnet in the indication unit,
which follows the movements of the float.
Indication scale
: Flow units
Indicator housing
– Material
: Stainless steel AISI 304
(1.4301)
– Degree of Protection
: IP66/67
Scales :
- Standard : removable aluminium plate with scale
(double scale as option)
Transportation and storage condition
: - 40°C to +110°C
.
ELECTRONIC TRANSMITTER
(Indicator/Code -E)
Temperature range
: -25°C to +65°C
Transportation and storage condition
: -40°C to +70°C
Process-/ Ambient temperature :
The dependency of the process temperature from the
ambient temperature is shown in fig.6.
Power supply
: 14 ... 30 V DC
Load resistance
: (U - 14V) / 20 mA, max. 500
Ω
Analog output
: 4-20 mA
Linearity
: ≤ ± 0.25% f.s.
Hysteresis
: ≤ ± 0.15% f.s.
Repeatability
: ≤ ± 0.16% f.s.
Influence of power supply
: ≤ ± 0.1% f.s.
Temp. coefficient of analog output
: ≤ ± 0.5% /10 K f.s.
AC-part of analog output
: ≤ ± 0.15% f.s.
Long time stability : ≤ ± 0.2% / year
Maximum output current
: 21.5 mA
Output current in case of failure
: ≤ 3.6 mA (NAMUR NE 43)
Response time (99%)
: approx. 1 s
Pulse output (Option /CP)
:
Electronic switch with galvanic isolation
acc. EN 60947-5-6 (NAMUR)
- Pulse length
: 200 ms
- Max. frequency : 4 Hz
- Pulse rate
: Qmax ≤ 1
→
0.0001
: 1 < Qmax ≤ 10
→
0.001 etc.
e.g.. Qmax = 1 m3/h
→
1 Puls = 0.0001 m
3
= 0.1
Electromagnetic compatibility (EMC)
- EN 61326-1: 2006, Class A, Table 2
EN 61326-2-3 : 2006
POWER SUPPLY FOR ELECTRONIC TRANSMITTER
(Option /UT)
Type :
Power supply with galvanically separated input and output
- RN221N-B1, HART- compatible
Supply voltage :
20 ... 250 V DC / AC 50/60 Hz
Maximum load :
700 Ω
Output signal :
4 - 20 mA
ELECTRICAL CONNECTION
(Indicator/Code -E
) :
Type
:
Quickon
Cable diameter
:
4 – 6 mm
Maximum cross section of core
: Ø
0.34 to 0.75 mm
2