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961-20A0-011 Datasheet, PDF (5/12 Pages) Magnetrol International, Inc. – Echotel® Model 961/962 Ultrasonic Level Switches
ELECTRONICS SPECIFICATIONS
MODEL 961/962 WITH RELAY OUTPUT
Supply Voltage
Relay Outputs
Relay Ratings
Fail-safe
Power Consumption
Ambient Temperature
961:
962:
DPDT:
SPDT:
961/962:
18 to 32 VDC, or 102 to 265 VAC, 50/60 Hz
One DPDT level relay and one SPDT malfunction relay
Two SPDT level relays and one SPDT malfunction relay
5 amps @ 120 VAC, 250 VAC, and 30 VDC, 0.4 amp @ 110 VDC
5 amps @ 120 VAC, 250 VAC, and 30 VDC, 0.15 amp @ 125 VDC
Selectable for high or low level
Less than 3 watts
-40° to +160° F (-40° to +70° C)
MODEL 961/962 WITH CURRENT SHIFT OUTPUT
Supply Voltage
Current Shift Output
Loop Resistance
Fail-safe
Power Consumption
Ambient Temperature
961:
962:
961/962:
961/962
11 to 35 VDC
8 mA normal operation, 16 mA level alarm (±1 mA)
8 mA normal operation, 12 mA lower gap alarm, 16 mA upper gap alarm (±1 mA)
3.6 mA or 22 mA selectable fault signal (±1 mA)
104 ohms with 11 VDC input, 1100 ohms with 35 VDC input
Selectable for high or low level
Less than 1 watt
-40° to +160° F (-40° to +70° C)
TRANSDUCER SPECIFICATIONS
MODEL 9A1/9M1 SINGLE POINT
Transducer Material Material Code (page 10) Operating Temperature Range Maximum Pressure
Actuation Length
316 Stainless Steel A*, S, N, K
-40° to +325° F (-40° to +163° C) 2000 psi (138 bar)
1" and 2" (3 and 5 cm)
316 Stainless Steel A*, S, N, K
-40° to +325° F (-40° to +163° C) 1500 psi (103 bar)
3" to 130" (6 to 330 cm)
Hastelloy C-276
B
-40° to +325° F (-40° to +163° C) 2000 psi (138 bar)
1" and 2" (3 and 5 cm)
Hastelloy C-276
B
-40° to +325° F (-40° to +163° C) 1500 psi (103 bar)
3" to 130" (6 to 330 cm)
Monel
C
-40° to +325° F (-40° to +163° C) 1200 psi (83 bar)
1" to 130" (3 to 330 cm)
Kynar
R
-40° to +250° F (-40° to +121° C) see graph below
2" to 130" (5 to 330 cm)
CPVC
P
-40° to +180° F (-40° to +82° C) see graph below
1" to 130" (3 to 330 cm)
* Material Code “A” has a Cryogenic Trandsucer Option for -110° to +250° F (-80° to +120° C) operating temperature range
MODEL 9A2/9M2 DUAL POINT
Transducer Material Material Code (see page 10)
316 Stainless Steel A, K
CPVC
P
Operating Temperature Range
-40° to +325° F (-40° to +163° C)
-40° to +180° F (-40° to +82° C)
Maximum Pressure
1500 psi (103 bar)
see graph below
Actuation Length
5" to 130" (13 to 330 cm)
5" to 130" (13 to 330 cm)
Range with " NPT
Range with 150# flange
Range with PN16 flange
Kynar Transducer Ratings
300
250
200
150
100
50
0
-40 0 60 120 180 240
Temperature (°F)
30
25
20
15
10
5
0
-40
0 40 80 120
Temperature (°C)
CPVC Transducer Ratings
300
250
200
150
100
50
0
-40 0 40 80 120 160 200
Temperature (°F)
30
25
20
15
10
5
0
-40
0 40 80 120
Temperature (°C)
5