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Toshiba LF410 Manual page 2

Field intelligent device – mount-anywhere series - wafer electromagnetic flowmeter
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Structure: IP 67 and NEMA 4X Watertight
Power consumption:
at AC100V and Excitation current:0.2A
MAX:15W (22VA)
Conformance to European Community Directives:
PED 97/23/EC (Note 1)
Note: See Table 1 for detail.
Approved hazardous location certifications:
Model: LF414/LF620F and LF414/LF622F
cFMus Nonincendive for use in
hazardous (classified) locations:
Class I, II, III, Division 2, Groups A-G
Detector and converter combination:
LF410/LF620: Combined type for standard
LF410/LF622: Separate type for standard
LF414/LF620F: Combined type with Ex approval
of Class I, Division 2 (cFMus).
LF414/LF622F: Separate type with Ex approval of
Class I, Division 2 (cFMus).
With TOSHIBA's unique magnetic field distribution
technology, the meter is highly immune to upstream
flow disturbances.
A minimum of 1D (one diameter) length of upstream
straight pipe from the flange is required to maintain
the performance specification.
Note: The test results were obtained and demonstrated at
TOSHIBA's flow calibration facility, Fuchu Japan.
Model LF410 and LF414 Detectors
Mounting style: Wafer type
Fluid pressure: - 15 to 300psi, or - 1.0 to 20 bar ( - 0.1
to 2.0MPa)
Note: Before shipping from the manufacturer, each
detector unit is tested by following test condition.
Pressure... 600 psi, Time... 5 minutes
Connection flange standards:
ASME B16.5 class 150, ASME B16.5 class 300
EN1092-1 PN10, EN1092-1 PN16
JIS B 2220 10K, JIS B 2220 16K, JIS B 2220 20K
Principal materials:
Case —
1" to 4" (25 to 100mm): stainless steel
1/2" (15mm): carbon steel
Linings —
1/2" to 4" (15 to 100mm): Ceramic tube
Electrodes —
Type-Super smooth, polished with self cleaning
finish, and non stick shape
316 stainless steel (std.)
Note: Electrodes are electro-chemically polished after
mechanically buffed.
Grounding rings — 316 stainless steel (std.)
Note: See Table 5 for optional materials and other
related information.
Coating —
1" to 4" (25 to 100mm):
No coating (stainless steel body).
1/2" (15mm):
Corrosion resistant phthalic acid resin coating
with pearl-gray colored.
Heat shock resistance: for a ceramic tube detector
Heating: ∆T ≤ 302
F/0.5sec (150
Cooling: ∆T ≤ 212
F/0.5sec (100
Note: The above means that the ceramic tube detector
withstands the shock of sudden heating
(temperature difference 150°C or less per
0.5seconds) and sudden cooling (temperature
difference 100°C or less per 0.5seconds).
Dimensions and weights: See Figures 3 to 8.
Cable connection port: for separate type detectors.
Cable glands —
LF410 (without cFMus approval):
Provided as standard, R(PT) 1/2 male
LF414 (with cFMus approval):
Not provided, 3/4-14NPT male threads are
Applicable diameter —
0.433 to 0.512 inch (11 to 13mm)



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