Oval LSF40 Series - (3) Pulse Generator

16
S-176-9-E
Pulse Generator MR Sensor Reed Switch
Applicable EU Directives
RoHS 2011/65/EU 2011/65/EU
EMC 2014/30/EU —
Applicable EN standard
RoHS EN50581：2012 EN50581：2012
EMC EN61326-1：2013 Class A —
(3) Pulse Generator
1. MR Sensor (standard)
Item
Description
Meter Size 38 Meter Sizes 39, 40, 4
1 and 45
Method of Detection A magnetoresistive (MR) sensor converts alternating magnetic elds to a voltage output.
Speed of Response 1
000Hz max. (MR sensor alone)
Ambient Temp. Range –20 to +80℃
Output Pulse
※
Voltage pulse
Voltage pulse
“0” / “1” = 1VDC max. / [supply volt.] – 2VDC min.
(resistive load 10kΩ min.)
H
L
[supply volt.]  2VDC min.
1VDC max.
Voltage pulse
“0” / “1” = 0.5VDC max. / 6.2 to 7.6VDC
(resistive load 10kΩ min.)
H
L
6.2 to 7.6VDC
0.5VDC
Duty
ratio(%)
4.0
≦
H
×
H L
＋
100
≦
65.0
Transmission Length 1 kilometer max. (cable used is CVVS 1.25 to 2.00mm
2
)
Power Source 12 to 24VDC ±10%
Current Drain
(power consumption)
1
0mA max. (0.3W max.)
Unit in L/h
※
Measurement units of output pulses (MR sensor models)
Meter Size
Factored Pulse Unfactored Pulse
Max. Flowrate
L/h
Pulse unit mL/P
Freq. at max.
owrate Hz
Nominal
meter
factor mL/P
Freq. at max.
owrate Hz
Super
Micro 38
― ―
0.0550 15.2 3
Super Micro 39
― ―
0.161 10.4 6
40 1 13.9
0.
25 55.6 50
41 1 27.8
0.5 55.6 1
00
45 10 13.9
2.5 55.6 500
2. Reed Switch (excluding options / Meter Sizes 38, 39)
Item Description
Max. operating voltage AC: 45V; DC: 45V
Contact current capacity 1
0W or 0.5A (resistive load)
Contact withstanding voltage DC:
250V R.M.S. for one min.
Output pulse
※
Contact-closure pulse
(unfactored pulse only)
Operating ambient temp.
–20 to +85℃
(relative humidity 90% max.)
Meter
size
Unfactored Pulse
Max. owrate
L/h
Nom. meter
factor mL/P
Freq. at max.
owrate Hz
40 0.5 2
7.8 50
41 1.0 27.8 100
45 5.0 2
7.8 500
※
Measurement units of output pulses (reed switch)
(4) Applicable Standards
NOTE: To meet compliance requirements, a lightning protector (M SYSTEM: MDP-SP or equiv.) must be used.