Master Catalog — Gems Sensors & Controls - H-61

HAZARDOUS LOCATIONS
Switch Operation
Window Mode (WM)

Close on Rise/Open on Fall (CR)

Open on Rise/Close on Fall (OR)

Switch is closed when the process pressure is
within the user selected range (LO and HI set
points), and open when the pressure is above
or below the range.

Switch is open when the process pressure is
below the user selected set point and closed
when the pressure is above that set point.

Switch is closed when the process pressure
is below the user selected set point and open
when the pressure is above that set point.

100%

100%
100%

100%
100%
100%

Switch
Open

Switch
Open

Switch
Switch
OpenOpen

Switch
HI SET POINT
Closed
(±2%)

HI SET POINT
(±2%)
Switch
Closed

0%0%

Switch
ClosedSET POINT
(±2%)

LO SET POINT
Switch
(±2%)
(±2%)
Closed

Switch
Switch
Open
Open

0%

Switch
Open
SET POINT
(±2%)

Switch
Closed

LO SET POINT
(±2%)
(±2%)

Switch
Open

100%

Switch
Open

Switch
HI SET
POINT
SET
POINT
Closed
(±2%)(±2%)

Switch
Closed

LO SET POINT
(±2%)

100%
100%

SET POINT
Switch
(±2%)
Closed

Switch
Switch
Open
Open
0%0%
0%

Switch
Closed

Switch
Open
0%
0%

0%

Agency Approvals
Approved*

FM
(U.S. and Canada)

Safety Method

Approval

Explosion Proof
Hazardous Locations

Class I, II, III; Division 1
Groups A-G; T5; Type 4X

Non-incendive

Class I, II, III; Division 2
Groups A-G; T5; Type 4X

Flameproof

II 2 G Ex d IIC T5
IP 66

ATEX

How to Order
Use the bold characters from the chart below to construct a product code.
SELECT	

3820 - C

Series
	 3820 - 3820 Series
Output
	 C - 4-20 mA
	 V - 1-5 VDC
Range
	 03 - 0-100 psi (0-6.9 bar)
	 04 - 0-250 psi (0-17.2 bar)
	 05 - 0-500 psi (0-34.5 bar)
	 06 - 0-1,000 psi (0-68.9 bar)
	 07 - 0-2,500 psi (0-172.4 bar)
	 08 - 0-5,000 psi (0-344.7 bar)
	 09 - 0-10,000 psi (0-689.5 bar)
Process Connection Size
	 A - 1/2˝ MNPT with 1/4˝ FNPT
	 S - 1/2˝ MNPT Flush Mount, only for
range 250-5,000 psi
Note:
1.	 Set Point must be within your Pressure Range.
2.	 Dual Seal version is not hermetically sealed.

3820 Series / p2of2 / 9-JUL-19

07 - A - UC - RR - FS_____ - WM
Switch Operation
		
WM	- Window Mode
		
CR	- Close on Rise/Open on Fall
		
OR	- Open on Rise/Close on Fall
Fixed Set Point
	 FS - Specify set point (in PSI or BAR, see example)1
Example: FS60PSI for 60 PSI or FS3BAR for 3 BAR

PRESSURE TRANSDUCERS

*	 Product holds a Canadian Registration Number (CRN) in all provinces.

Accessories
	 BB - Cleaned for industrial oxygen service
	 C1 - Calibration Certificate
	 DS - Dual Seal approval (FM)2
	 PK - Pipe mounting kit
	 RR - SS tag wired to housing with customer specified
information
Approvals
		
UC	- FM Approval (North, Central, and South America)
	(blank)	- FM and ATEX Approval (Europe and U.K.)

For field adjustability, a Calibration Kit is required. Calibration Kit includes hardware
and software. Contact Gems for additional information. P/N 9231503
Visit www.GemsSensors.com for most current information.

H-61
https://ecatalog.gemssensors.com/ecatalog/configurators/pressure-transmitters http://www.GemsSensors.com
Master Catalog — Gems Sensors & Controls

Table of Contents for the Digital Edition of Master Catalog — Gems Sensors & Controls
