Orion INSTRUMENTS MZ15 High Range Compound Switches Instruction Manual
- June 12, 2024
- Orion Instruments
Table of Contents
HIGH RANGE COMPOUND SWITCHES
MZ15 High Range Compound Switches
Approximate Weight : 0.550 Kg.
Some Applications :
Used in humid or slightly corrosive atmosphere like jet dyeing machines, etc.
Electrical Connection :
PRESSURE CAPSULE DETAILS
Note : wetted parts are mentioned in italics.
No. Description
1. Disc
2. O-Ring (PTFE )®
3. Pressure Housing (SS316)
4. Steel Ring (SS316)| 4. Diaphragm (PTFE )®
5. Plunger (SS316)
6. Spring (SS316)
---|---
INSTALLATION DRAWING
RANGE SELECTION TABLE
Range Code| Range bar (psi)| Differential* bar (psi)| Maximum Working Pressure
bar (psi)
---|---|---|---
Approximate Maximum
for “Al” microswitch
C01| -1 to 1.0
(-14.50 – 14.50)| 0.2
(2.90)| 12
(174.05)
C02| -1 to 1.5
(-14.50 to 21.75)| 0.3
(4.35)| 12
(174.05)
C03| -1 to 2.6
(-14.50 – 37.71)| 0.4
(5.80)| 12
(174.05)
C04| -1 to 3.6
(-14.50 – 52.26)| 0.6
(8.70)| 12
(174.05)
C07| -1 to 7
(-14.50 – 101.526)| 0.8
(11.60)| 12
(174.05)
Note:
- The minimum differential increases with the setpoint. The differential values mentioned in the above table are approximate maximum for FSR. The differential value will vary according to the pressure range selected and microswitch type. For actual values of differential please contact sales office.
- When using 2SPDT switching arrangement, both microswitches may not actuate and/or deactuate at the same point. A small stage gap, normally upto +/- 5% FSR (depending on range code) may be observed. The On-Off differential (hysterisis) typically tends to be atleast double of those published for 1SPDT pressure switches. If actuation and/or deactuation at same point is critical part of operation, then it can be achieved by using a separate DPDT relay. This relay will need a separate power supply for it’s coil.
HOW TO ORDER INDUSTRIAL HIGH RANGE COMPOUND SWITCHES
eg. An industrial switch for gas group IIC, with ½” NPT cable entry in aluminium housing as 1SPDT pressure switch, having -1 bar to +1 bar pressure range, with 15 Amp. microswitch, SS316 pressure housing with ¼” BSP port size & Neoprene diaphragm shall be specified by
Please specify full model number to avoid ambiguity. If only the first two groups are specified while ordering, uncalibrated switches with standard wetted parts and enclosures will be supplied.
Bulletin No. KA220802
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