8
Echotel Model 919 Ultrasonic Level Switch
Power Supply:
All Voltage:
24-240 VAC ± 10% 50-60 Hz (load always required)
24-240 VDC ± 10% (load always required)
Relay:
24 VDC (±10%)
Power Consumption:
All Voltage:
0.1 VA maximum
Relay:
Less than 1 Watt
Signal Output:
All Voltage:
500 mA (0.5 amp) maximum continuous load
7.5 mA minimum continuous load
Relay:
SPDT 3 amp @ 30 VDC resistive and 3 amp @ 125 VAC resistive
Maximum switching voltage of 270 VAC, 30 VDC
Minimum switching load of 10mA at 5 VDC
Repeatability:
0.078'' (2 millimeters)
Response Time:
1
⁄
2
second typical
Ambient Temperature:
Electronics: -40° to +160° F (-40° to +70° C)
Process Pressure:
1500 psig (103 bar) maximum
Process Temperature:
Without heat extension: -40° to +250° F (-40° to +120° C)
With heat extension: -40° to +300° F (-40° to +150° C)
Housing Material:
Valox
®
(PBT)
Ingress Protection:
NEMA 4X (IP67)
Shock
ANSI/ISA-S71.03 Class SA1
Vibration
ANSI/ISA-S71.03 Class VC2
3.2.2 Electrical
3.2.3 Environmental
3.4
Replacement Parts
The Model 919 has no replacement parts. A new unit must be ordered. Consult factory.
2250
1500
750
-40
32
100
175
250
325
0
Pr
essur
e (psi)
Temperature (
°
F)
Standard version
High temperature version
150
100
50
-40
0
40
80
120
300
150
103
160
0
Pr
essur
e (bar)
Temperature (
°
C)
These units have been tested to EN 50081-2
and EN 50082-2 and are in compliance with
the EMC Directive 89/336/EEC.
Temperature / Pressure Rating
3.3
Agency Approvals
MODEL NUMBERS
RATING
919-XXXX-XXX
NEMA 4X (IP67)
919-XXS3-XXX & 919-XXS4-XXX
3-A (Authorization #596)
