B-149-4N-E
28
15. GENERAL SPECIFICATIONS
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Basic Meter
Meter Size 50 52 53 55 56, 57
Nominal Diameter 20mm 25mm 40mm
50mm
Flange Ratings
1 JIS 10K RF, ASME 150 RF, JPI 150 RF
3 JIS 16, 20, 30K RF, ASME 300 RF, JPI 300 RF, DIN 10, 16, 20, 25
Operating Temperature Range*
- 60 to +60° C (low temp. service), +120°C to 350°C (high temp. service)
Accuracy ± 0.5% and ± 0.2%
Materials
Meter Body SCS14 or SCS16
Rear Cover SUS316 or SUS316L
Rotors SUS316 or SUS316L
Bearings Special carbon or ceramics
Shafts SUS316 or SUS316L
Flow Direction Right
→
Left (standard), Left
→
Right, Top
→
Bottom, Bottom
→
Top
External Finish Meter body and rear cover: Not painted; Skirt: Painted
*: Size 50 operates in a range -30 to + 60° C (low temp. service) or +120 to + 200°C (high temp. service).
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Max. Operating Pressure per Flange Rarting
Unit: MPa
Flange Code JIS 10K RF ASME 150 RF JIS 20K RF JIS 30K RF ASME 300 RF
1 1.18 at 120°C 1.50 at 120°C …… …… ……
3 …… …… 1.96 at 120°C 2.94 at 120°C 2.94 at 120°C
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Register General Specifications
Meter Size 50* 52 53* 55 56 57
Local
Indicator
(LCD)
Mode
Select
Accumulated total, 8-digit reading units
×10mL (standard) ×0.1L (standard)
×1 L (standard)
Instantaneous owrate (b mode)
×1 L/h (standard) ×10L/h (standard)
% Instantaneous owrate (P mode)
0 to 100%
Bargraph mode 8-segment bargraph
Output
Analog 0 to FS 4 to 20mA
NOTE: One of them is chosen.Current pulse (factored) 0/1 4/20mA
Current pulse (unfactored) 0/1 4/20mA
Open collector factored pulse
Open collector
Max. allowable voltage: 30V DC
Allowable current: 50mA
NOTE: One of them is chosen.
Open collector unfactored pulse
Open collector alarm output
Open collector FWD/REV ow discrimination
Output Pulse Width (ON duration) 1 ms (standard) 1 ms to 1000 ms (resolution 1ms) (Notes 1 and 2)
Power Supply 12 to 45VDC
(Acceptable load resistance range exists. See page 12.)
Signal Transmission Cable
Shielded cable 1.25 mm
2
Transmission length one kilometer (cable D.D. 8.5 to 12 mm)
Operating Temperature Range -10 to + 50°C (Register itself -10 to + 60°C)
Construction
Explosionproof TIIS: Exd
Ⅱ
BT4
Explosionproof KCs: Exd
Ⅱ
BT4
Non-explosionproof construction
Protection rating of Enclosure IP66 (dusttight/watertight) IEC/EN60529, JIS C0920
Housing Material Aluminum die casting
Finish Munsell 2.5PB 5/8, baked
NOTE:
1. If pulse width in excess of 1ms is desired for minimum factored pulse unit, the max. owrate can possibly be
restricted; consult the factory.
2. With meter size marked*, if standard factored pulse unit is selected, pulse width other than 1 ms is
unacceptable.
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Nominal Meter Factors
Size P/r Nominal Meter Factor
50 4 9.936 mL/P
52 4 9.664 mL/P
53 4 17.513 mL/P
Size P/r Nominal Meter Factor
55 6 34.60 mL/P
56 8 74.66 mL/P
57 8 196.08 mL/P
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