11-3 Performances
For performances, refer to Table 4.
Table 4 Performances
Item
Specification
Number of sensor circuit
1
Length of sensor connection 1 to 1500 m
Detection sensitivity level
setting
Low
Standard
High
Highest
Water leakage detection
sensitivity
10 ± 2.0
kΩ
25 ± 2.5
kΩ
50 ± 5.0
kΩ
100 ± 10.0
kΩ
Sensitivity in the case of
recovery from water leakage
16 ± 3.0
kΩ
37 ± 3.7
kΩ
68k
Ω ± 6.8kΩ
125 ± 12.5
kΩ
Detection accuracy
1 to 100 m: ±1 m
101 to 400 m: sensor length ±
1%
Surface panel operation
switch function
Buzzer stop switch: 1
Alarm cancel switch: 1
Surface panel
LED indication
Power source indication, green: 1 (lighting up)
Alarm indication, red: 1 (flashing in the case of water leakage detection)
(lighting up in the case of break detection)
Meintenance indication: 1
Surface panel
LCD indication
Modbus Address: 1 to 127
Sensor length and water leakage location indication:
meter display or feet display
Surface panel operational
setting switch
Used for setting change of indication, control output contacts, detection
sensitivity level, etc.
For details, refer to Attached Drawing 3.
Alarm buzzer
Average sound pressure: 90 dB/10 cm (catalogue value by manufacturer)
Control output contact
Contact
Configuration
◇
Contacts (For specifications, refer to Section 11-2.)
Water leakage: 1 for 1a
Break: 1 for 1a
*Setting change of the operation switchs shifts to
Contact b.
Water leakage location data
output
4-20 mA current loop output (external load resistance: 500
Ω max.) x1
Under normal sensor conditions: 4 mA
In the case of sensor break detection: 20 mA
In the case of water leakage detection: 6 + 0.03 x water leakage
location indication (m) mA
± 1%
*Changing operational setting switches changes operation in the case of
water leakage detection. (Refer to Attached Drawing 3.)
In the case of water leakage detection: 16 x water leakage location
indication (m) / 250 (m) + 4 mA ± 1%
Withstand voltage
AC 1500V (50/60 Hz)/ 1 minute
(between the power source terminal and the body case)
Insulation resistance
10M
Ω min. (With DC 500V Megger)/1 minute
(between the power source terminal and the body case)
Noiseproofing property
± 1000V Pulse width: 1
μSEC (noise simulator)/1 minute
(berween each phase and the grounding terminal)
Power source:
2 kV, 5 kHz
Sensor: 1 kV, 5 kHz
*IEC61000-4-4
Outside dimensions
(W) 106 x (H) 94 x (D) 57 (unit: mm) (Refer to Attached Drawing 1.)
Weight and color
Approx. 260 g, gray
-10-
