Catalogue - Pressure Switch - GEMS SENSORS & CONTROLS - (Version JPG)

MINIATURE ■

How To Order

Use the Bold characters from the chart below to construct a product code. Please reference Notes.

PS71 -10 -4MNZ -C -H -XX -XXXX

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1 Pressure Range Code

Insert Pressure Range Code from Table 1, below.

2 Pressure Fitting¹

12L14 Zinc-Plated Steel -2MNZ = 1/8"NPTM -4MNZ = 1/4"NPTM -2MGZ = 1/8" BSPM (G type) -4MGZ = 1/4" BSPM (G type) -4MSZ = 7/16"-20 SAE Male -6MSZ = 9/16"-18 SAE Male

316 Stainless Steel -2MGS = 1/8" BSPM (G type) -4MNS = 1/4"NPTM -4MGS = 1/4" BSPM (G type)

3 Circuit

-A=SPST/N.O. -B = SPST/N.C. -C = SPDT

4 Electrical Termination

-SP=Spade Terminals²-FLXX=Flying Leads³-FLSXX=Flying Leads w/PVC Shrink Tubing³-ELXX=1/2" NPT Male Conduit w/Flying Leads⁴-CABXX = 18 AWG PVC Cable⁵

-H = DIN 43650A Male Half Only⁶-HR=Right Angle DIN 43650A Male Half Only⁶-HC=DIN 43650A 9mm Cable Clamp⁶-HCR=Right Angle DIN 43650A 9mm

Cable Clamp⁶-HN = DIN 43650A with 1/2" Female NPT Conduit⁶-HNR=Right Angle DIN 43650A with 1/2" Female NPT Conduit⁶

5 Options⁷

-V=Viton® Diaphragm -E=EPDM Diaphragm -N = Neoprene Diaphragm -10A = 10A @ 125/250 VAC Max. Rating -G = Gold Contacts

(for loads less than 12 mA @ 12 VDC) -RD = Reduced Differential

(25% reduction typical) -IP = Ingress Protection⁸-OXY=Oxygen Cleaned⁹-R=Restrictor (low damping coefficient) Brass -SR=Spiral Restrictor (high damping coefficient)

300 Series Stainless Steel¹⁰-WF=Weather Pack Connector, Female -WM=Weather Pack Connector, Male -DE=Deutsch Connector, Male, DT04 Series

6 Fixed Set Point (optional)

A. Specify set point -FS

(in PSI or BAR, see example)¹¹

B. Set Point Actuation

R on Rising Pressure

F on Falling Pressure

Example: -FS2BARF for 2 BAR Falling

or -FS20PSIR for 20 PSI Rising

Notes:

1. Other fittings available. Consult factory.

2. 20% increase in deadband typical.

3. 18" is standard. Specify lead length in inches (max. 48"). e.g. -FL18 or -FLS30.

4. 18" is standard. Specify lead length in inches (max. 48"). e.g. -EL18 or -EL30.

5. 36" is minimum. Specify cable length in inches. e.g. -CAB36or-CAB120.

6. DIN connectors require -C SPDT circuit.

7. Options -10A, -G or -RD cannot be combined.

8. Ingress Protection is available only with -FL, -FLS or -CAB Electrical Termination choices. Ingress Protection requires Fixed Set Point -FS.

9. Requires stainless steel housing.

10. -SR will result in wider deadbands and slower response time.

11. Set Point must be within Pressure Range selected in Step 1.

LU LU

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Table 1 — Pressure Range Codes


Pressure Range Code	Pressure Range	Repeatability*	Average Deadband**
10	10-30 psi (0.7-2.1 bar)	±1.5 psi (0.103 bar) +2% of setting	3.5 psi (0.28 bar) +11% of setting
20	25-75 psi (1.7-5.2 bar)	±2.5 psi (0.172 bar) +2% of setting	3.5 psi (0.28 bar) +11% of setting
30	65-300 psi (4.5-20.7 bar)	±5.0 psi (0.345 bar) +2% of setting	20 psig (1.38 bar) +11% of setting
40	250-1000 psi (17.2-69.0 bar)	±15 psi (1.03 bar) +2% of setting	45 psig (3.10 bar) +12% of setting
50	1000-3000 psi (69-206.8 bar)	±30 psi (2.06 bar) +3% of setting	70 psig (4.83 bar) +12% of setting
60	2500-5000 psi (172.4-344.7 bar)	±50 psi (3.45 bar) +4% of setting	140 psi (9.65 bar) +13% of setting

' Repeatability and set point of units may change due to the effects of temperature.

' These numbers are for the standard microswitch. With either the -SP or -10A option, the values are typically 20% greater than those listed. With the -RD option, the values will be typically 25% less than those listed. In certain applications deadband can be tailored and controlled to customer specifications. Consult factory for details.

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