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- SMC Home
- Sensors, Switches & Controllers
- Vacuum/Compound Pressure Sensors
- Pneumatic Sensors
- Electronic Switches
- ZSM1, Vacuum Switch, Diaphragm Style
ZSM1, Vacuum Switch, Diaphragm Style
ZSM1 is a basic vacuum switch with 1 output. No analog output is included. Solid state and contact reed switch options are available,with different voltages. The switch output turns ON when vacuum is greater that the set point. A red LED indicator also light to correspond with the output signal. A rotary trimmer adjusts the switch set point. ZSM1 can be mounted in a ZM generator unit, or piped by metric or NPTF male threads. Electrical connection is made by a 2 or 3 wire cable. This switch is compatible with any non-corrosive, non-flammable gas.
- Basic vacuum switch with rotary adjustment of a supply level voltage output signal
- Vacuum range: -80 to -27 kPa
- Output: switched supply level voltage
- Power supply requirement: 4.5 to 28 VDC (solid state) or 100V AC/DC (reed)
- Repeatability: ±10% or less
- Port sizes: 1/8 RC or 1/8 NPTF male, or ZM genertor mountable
How to order
For details about certified products
conforming to international standards,
visit us at www.smcworld.com.
Air/Inert gas
0.5 MPa
–27 to –80 kPa
±10% or less
–5 to 60°C (No freezing)
ON: When output is ON.
R
1
/8
65 g
Model
Switch specifications
Fluid
Max. operating pressure
Regulating pressure range
Hysteresis
Repeatability
Ambient and fluid temperature
Supply voltage
Indicator light
Lead wire
Port size
Mass
ZSM1-115
Solid state
ZSM1-121
Contact (Reed switch)
Max. 15 kPa
4.5 to 28 VDC
3
Max. 20 kPa
100 VAC/DC or less
2
1
Vacuum switch
diaphragm style
0.5 m (Standard)
3 m
Nil
L
Lead wire length
How to Order
ZSM1
0
1
T1
Connection
For mounting on ZM ejector
R
1
/8
NPTF
1
/8
15
15
21
Switch/Voltage
Solid state 4.5 to 28 VDC
Contact (Reed switch) 100 VAC/DC
4.5 to 28 VDC
28 V, Max. 40 mA
10 mA or less (24 VDC)
Supply voltage
Output (Open collector)
Current consumption
ZSM1-115
100 VAC/DC
24 V or less: 50 mA, 48 V: 40 mA, 100 V: 20 mA
AC 2 VA, 2 W DC
Supply voltage
Max. operating current range
Max. contact capacity
ZSM1-121
870
Specifications
Electrical Specifications
Vacuum Switch Diaphragm Style
Series ZSM1-115/121
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