Digihelic® Differential Pressure Controller, 4-20 mA Output, 1.5% Accuracy

Manufacturer	DwyerOmega
Description	Differential pressure controller, range 0.25 in w.c.
Manufacturer Part Number	DHC-002
E-Shop link	https://www.dwyeromega.com/en-us/digihelic-differential-pressure-controller-4-20-ma-output-1-5-accuracy/Series-DHC/p/DHC-002?utm_source=traceparts&utm_medium=referral&utm_campaign=cad_library&utm_content=product_link
Product Page	https://www.dwyeromega.com/en-us/digihelic-differential-pressure-controller-4-20-ma-output-1-5-accuracy/Series-DHC/p/DHC-002?utm_source=traceparts&utm_medium=referral&utm_campaign=cad_library&utm_content=product_link
Material	Polycarbonate
Accuracy	± 1.5 %
Accuracy Detail	± 0.5% FSO for all ranges, except 0.5 in w.c. @ ± 1% FSO, and ranges at or below ± 0.25 in w.c. @ ± 1.5% FSO
Applications	Fluid Measurement and Control
Baud Rate	9600 to 115200
Brand	Dwyer
Burst Pressure	6 psi Maximum
Compliance	BTL, CE
Data Interface	BACnet MS/TP, Modbus RTU
Device Load	1/8 Unit
Display Note	Backlit LCD display, LED setpoint indicators
Display Type	LCD
Electrical Connection	Sub-D Male Miniature Connector
Enclosure Ratings	IP66, NEMA Type 4X
Materials, Wetted	Consult factory
Measurement Pressure Type	Differential
Measurement Pressure, Max	0.25 inH₂O
Measurement Pressure, Min	0 inH₂O

Media Compatibility	Air, Argon, Carbon dioxide, Helium, Nitrogen, Non-Corrosive Dry Gases
Mounting Orientation	None
Number of Wires	15
Operating Temperature, Max	158 °F
Operating Temperature, Min	-4 °F
Output Detail	4 to 20 mA; 0 to 10 V, 0 to 5 V, 1 to 5 V, 2 to 10 V
Output Signal	Current, Voltage
Power Consumption	3 VA
Process Connection Note	1/8" female NPT ports on side and back
Process Connection Size	1/8 in
Process Connection Type	NPT Female
Response Time	400 ms
Response Time Note	400 ms (damping set to 0)
Set Point Adjustment	Menu Configurable
Stability	<± 1% FSO/year
Supply Power Note	12-28 VDC or 12-28 VAC 50 to 400 Hz
Supply Power Type	AC/DC
Supply Voltage	12 to 28 Vac/Vdc
Switch Note	2 SPDT relays, 1 A @ 30 VAC/VDC
Switch Rating	1 A @ 30 Vac/Vdc
Switch Type	(2) SPDT
Thermal Effects	0.02% FS/°F
Zero Setting Adjustable Range	Accessible via Menus

CAD models

Buy now

Product selection

Index	Selector	Manufacturer Part Number	Material	Accuracy	Accuracy Detail	Applications	Baud Rate	Brand	Burst Pressure	Compliance	Data Interface	Device Load	Display Note	Display Type	Electrical Connection	Enclosure Ratings	Materials, Wetted	Measurement Pressure Type	Measurement Pressure, Max	Measurement Pressure, Min	Media Compatibility	Mounting Orientation	Number of Wires	Operating Temperature, Max	Operating Temperature, Min	Output Detail	Output Signal	Power Consumption	Process Connection Note	Process Connection Size	Process Connection Type	Response Time	Response Time Note	Set Point Adjustment	Stability	Supply Power Note	Supply Power Type	Supply Voltage	Switch Note	Switch Rating	Switch Type	Thermal Effects	Zero Setting Adjustable Range
1	1	DHC-002	Polycarbonate	± 1.5 %	± 0.5% FSO for all ranges, except 0.5 in w.c. @ ± 1% FSO, and ranges at or below ± 0.25 in w.c. @ ± 1.5% FSO	Fluid Measurement and Control	9600 to 115200	Dwyer	6 psi Maximum	BTL, CE	BACnet MS/TP, Modbus RTU	1/8 Unit	Backlit LCD display, LED setpoint indicators	LCD	Sub-D Male Miniature Connector	IP66, NEMA Type 4X	Consult factory	Differential	0.25 inH₂O	0 inH₂O	Air, Argon, Carbon dioxide, Helium, Nitrogen, Non-Corrosive Dry Gases	None	15	158 °F	-4 °F	4 to 20 mA; 0 to 10 V, 0 to 5 V, 1 to 5 V, 2 to 10 V	Current, Voltage	3 VA	1/8" female NPT ports on side and back	1/8 in	NPT Female	400 ms	400 ms (damping set to 0)	Menu Configurable	<± 1% FSO/year	12-28 VDC or 12-28 VAC 50 to 400 Hz	AC/DC	12 to 28 Vac/Vdc	2 SPDT relays, 1 A @ 30 VAC/VDC	1 A @ 30 Vac/Vdc	(2) SPDT	0.02% FS/°F	Accessible via Menus
2	2	DHC-003	Polycarbonate	± 1 %	± 0.5% FSO for all ranges, except 0.5 in w.c. @ ± 1% FSO, and ranges at or below ± 0.25 in w.c. @ ± 1.5% FSO	Fluid Measurement and Control	9600 to 115200	Dwyer	6 psi Maximum	BTL, CE	BACnet MS/TP, Modbus RTU	1/8 Unit	Backlit LCD display, LED setpoint indicators	LCD	Sub-D Male Miniature Connector	IP66, NEMA Type 4X	Consult factory	Differential	0.5 inH₂O	0 inH₂O	Air, Argon, Carbon dioxide, Helium, Nitrogen, Non-Corrosive Dry Gases	None	15	158 °F	-4 °F	4 to 20 mA; 0 to 10 V, 0 to 5 V, 1 to 5 V, 2 to 10 V	Current, Voltage	3 VA	1/8" female NPT ports on side and back	1/8 in	NPT Female	400 ms	400 ms (damping set to 0)	Menu Configurable	<± 1% FSO/year	12-28 VDC or 12-28 VAC 50 to 400 Hz	AC/DC	12 to 28 Vac/Vdc	2 SPDT relays, 1 A @ 30 VAC/VDC	1 A @ 30 Vac/Vdc	(2) SPDT	0.02% FS/°F	Accessible via Menus
3	3	DHC-004	Polycarbonate	± 0.5 %	± 0.5% FSO for all ranges, except 0.5 in w.c. @ ± 1% FSO, and ranges at or below ± 0.25 in w.c. @ ± 1.5% FSO	Fluid Measurement and Control	9600 to 115200	Dwyer	6 psi Maximum	BTL, CE	BACnet MS/TP, Modbus RTU	1/8 Unit	Backlit LCD display, LED setpoint indicators	LCD	Sub-D Male Miniature Connector	IP66, NEMA Type 4X	Consult factory	Differential	1 inH₂O	0 inH₂O	Air, Argon, Carbon dioxide, Helium, Nitrogen, Non-Corrosive Dry Gases	None	15	158 °F	-4 °F	4 to 20 mA; 0 to 10 V, 0 to 5 V, 1 to 5 V, 2 to 10 V	Current, Voltage	3 VA	1/8" female NPT ports on side and back	1/8 in	NPT Female	400 ms	400 ms (damping set to 0)	Menu Configurable	<± 1% FSO/year	12-28 VDC or 12-28 VAC 50 to 400 Hz	AC/DC	12 to 28 Vac/Vdc	2 SPDT relays, 1 A @ 30 VAC/VDC	1 A @ 30 Vac/Vdc	(2) SPDT	0.02% FS/°F	Accessible via Menus
4	4	DHC-006	Polycarbonate	± 0.5 %	± 0.5% FSO for all ranges, except 0.5 in w.c. @ ± 1% FSO, and ranges at or below ± 0.25 in w.c. @ ± 1.5% FSO	Fluid Measurement and Control	9600 to 115200	Dwyer	6 psi Maximum	BTL, CE	BACnet MS/TP, Modbus RTU	1/8 Unit	Backlit LCD display, LED setpoint indicators	LCD	Sub-D Male Miniature Connector	IP66, NEMA Type 4X	Consult factory	Differential	2.5 inH₂O	0 inH₂O	Air, Argon, Carbon dioxide, Helium, Nitrogen, Non-Corrosive Dry Gases	None	15	158 °F	-4 °F	4 to 20 mA; 0 to 10 V, 0 to 5 V, 1 to 5 V, 2 to 10 V	Current, Voltage	3 VA	1/8" female NPT ports on side and back	1/8 in	NPT Female	400 ms	400 ms (damping set to 0)	Menu Configurable	<± 1% FSO/year	12-28 VDC or 12-28 VAC 50 to 400 Hz	AC/DC	12 to 28 Vac/Vdc	2 SPDT relays, 1 A @ 30 VAC/VDC	1 A @ 30 Vac/Vdc	(2) SPDT	0.02% FS/°F	Accessible via Menus
5	5	DHC-008	Polycarbonate	± 0.5 %	± 0.5% FSO for all ranges, except 0.5 in w.c. @ ± 1% FSO, and ranges at or below ± 0.25 in w.c. @ ± 1.5% FSO	Fluid Measurement and Control	9600 to 115200	Dwyer	6 psi Maximum	BTL, CE	BACnet MS/TP, Modbus RTU	1/8 Unit	Backlit LCD display, LED setpoint indicators	LCD	Sub-D Male Miniature Connector	IP66, NEMA Type 4X	Consult factory	Differential	5 inH₂O	0 inH₂O	Air, Argon, Carbon dioxide, Helium, Nitrogen, Non-Corrosive Dry Gases	None	15	158 °F	-4 °F	4 to 20 mA; 0 to 10 V, 0 to 5 V, 1 to 5 V, 2 to 10 V	Current, Voltage	3 VA	1/8" female NPT ports on side and back	1/8 in	NPT Female	400 ms	400 ms (damping set to 0)	Menu Configurable	<± 1% FSO/year	12-28 VDC or 12-28 VAC 50 to 400 Hz	AC/DC	12 to 28 Vac/Vdc	2 SPDT relays, 1 A @ 30 VAC/VDC	1 A @ 30 Vac/Vdc	(2) SPDT	0.02% FS/°F	Accessible via Menus
6	6	DHC-009	Polycarbonate	± 0.5 %	± 0.5% FSO for all ranges, except 0.5 in w.c. @ ± 1% FSO, and ranges at or below ± 0.25 in w.c. @ ± 1.5% FSO	Fluid Measurement and Control	9600 to 115200	Dwyer	6 psi Maximum	BTL, CE	BACnet MS/TP, Modbus RTU	1/8 Unit	Backlit LCD display, LED setpoint indicators	LCD	Sub-D Male Miniature Connector	IP66, NEMA Type 4X	Consult factory	Differential	10 inH₂O	0 inH₂O	Air, Argon, Carbon dioxide, Helium, Nitrogen, Non-Corrosive Dry Gases	None	15	158 °F	-4 °F	4 to 20 mA; 0 to 10 V, 0 to 5 V, 1 to 5 V, 2 to 10 V	Current, Voltage	3 VA	1/8" female NPT ports on side and back	1/8 in	NPT Female	400 ms	400 ms (damping set to 0)	Menu Configurable	<± 1% FSO/year	12-28 VDC or 12-28 VAC 50 to 400 Hz	AC/DC	12 to 28 Vac/Vdc	2 SPDT relays, 1 A @ 30 VAC/VDC	1 A @ 30 Vac/Vdc	(2) SPDT	0.02% FS/°F	Accessible via Menus
7	7	DHC-010	Polycarbonate	± 0.5 %	± 0.5% FSO for all ranges, except 0.5 in w.c. @ ± 1% FSO, and ranges at or below ± 0.25 in w.c. @ ± 1.5% FSO	Fluid Measurement and Control	9600 to 115200	Dwyer	6 psi Maximum	BTL, CE	BACnet MS/TP, Modbus RTU	1/8 Unit	Backlit LCD display, LED setpoint indicators	LCD	Sub-D Male Miniature Connector	IP66, NEMA Type 4X	Consult factory	Differential	25 inH₂O	0 inH₂O	Air, Argon, Carbon dioxide, Helium, Nitrogen, Non-Corrosive Dry Gases	None	15	158 °F	-4 °F	4 to 20 mA; 0 to 10 V, 0 to 5 V, 1 to 5 V, 2 to 10 V	Current, Voltage	3 VA	1/8" female NPT ports on side and back	1/8 in	NPT Female	400 ms	400 ms (damping set to 0)	Menu Configurable	<± 1% FSO/year	12-28 VDC or 12-28 VAC 50 to 400 Hz	AC/DC	12 to 28 Vac/Vdc	2 SPDT relays, 1 A @ 30 VAC/VDC	1 A @ 30 Vac/Vdc	(2) SPDT	0.02% FS/°F	Accessible via Menus
8	8	DHC-011	Polycarbonate	± 0.5 %	± 0.5% FSO for all ranges, except 0.5 in w.c. @ ± 1% FSO, and ranges at or below ± 0.25 in w.c. @ ± 1.5% FSO	Fluid Measurement and Control	9600 to 115200	Dwyer	6 psi Maximum	BTL, CE	BACnet MS/TP, Modbus RTU	1/8 Unit	Backlit LCD display, LED setpoint indicators	LCD	Sub-D Male Miniature Connector	IP66, NEMA Type 4X	Consult factory	Differential	50 inH₂O	0 inH₂O	Air, Argon, Carbon dioxide, Helium, Nitrogen, Non-Corrosive Dry Gases	None	15	158 °F	-4 °F	4 to 20 mA; 0 to 10 V, 0 to 5 V, 1 to 5 V, 2 to 10 V	Current, Voltage	3 VA	1/8" female NPT ports on side and back	1/8 in	NPT Female	400 ms	400 ms (damping set to 0)	Menu Configurable	<± 1% FSO/year	12-28 VDC or 12-28 VAC 50 to 400 Hz	AC/DC	12 to 28 Vac/Vdc	2 SPDT relays, 1 A @ 30 VAC/VDC	1 A @ 30 Vac/Vdc	(2) SPDT	0.02% FS/°F	Accessible via Menus
9	9	DHC-012	Polycarbonate	± 0.5 %	± 0.5% FSO for all ranges, except 0.5 in w.c. @ ± 1% FSO, and ranges at or below ± 0.25 in w.c. @ ± 1.5% FSO	Fluid Measurement and Control	9600 to 115200	Dwyer	6 psi Maximum	BTL, CE	BACnet MS/TP, Modbus RTU	1/8 Unit	Backlit LCD display, LED setpoint indicators	LCD	Sub-D Male Miniature Connector	IP66, NEMA Type 4X	Consult factory	Differential	100 inH₂O	0 inH₂O	Air, Argon, Carbon dioxide, Helium, Nitrogen, Non-Corrosive Dry Gases	None	15	158 °F	-4 °F	4 to 20 mA; 0 to 10 V, 0 to 5 V, 1 to 5 V, 2 to 10 V	Current, Voltage	3 VA	1/8" female NPT ports on side and back	1/8 in	NPT Female	400 ms	400 ms (damping set to 0)	Menu Configurable	<± 1% FSO/year	12-28 VDC or 12-28 VAC 50 to 400 Hz	AC/DC	12 to 28 Vac/Vdc	2 SPDT relays, 1 A @ 30 VAC/VDC	1 A @ 30 Vac/Vdc	(2) SPDT	0.02% FS/°F	Accessible via Menus
10	10	DHC-202	Polycarbonate	± 1.5 %	± 0.5% FSO for all ranges, except 0.5 in w.c. @ ± 1% FSO, and ranges at or below ± 0.25 in w.c. @ ± 1.5% FSO	Fluid Measurement and Control	9600 to 115200	Dwyer	6 psi Maximum	BTL, CE	BACnet MS/TP, Modbus RTU	1/8 Unit	Backlit LCD display, LED setpoint indicators	LCD	Sub-D Male Miniature Connector	IP66, NEMA Type 4X	Consult factory	Differential	0.25 inH₂O	-0.25 inH₂O	Air, Argon, Carbon dioxide, Helium, Nitrogen, Non-Corrosive Dry Gases	None	15	158 °F	-4 °F	4 to 20 mA; 0 to 10 V, 0 to 5 V, 1 to 5 V, 2 to 10 V	Current, Voltage	3 VA	1/8" female NPT ports on side and back	1/8 in	NPT Female	400 ms	400 ms (damping set to 0)	Menu Configurable	<± 1% FSO/year	12-28 VDC or 12-28 VAC 50 to 400 Hz	AC/DC	12 to 28 Vac/Vdc	2 SPDT relays, 1 A @ 30 VAC/VDC	1 A @ 30 Vac/Vdc	(2) SPDT	0.02% FS/°F	Accessible via Menus
11	11	DHC-204	Polycarbonate	± 0.5 %	± 0.5% FSO for all ranges, except 0.5 in w.c. @ ± 1% FSO, and ranges at or below ± 0.25 in w.c. @ ± 1.5% FSO	Fluid Measurement and Control	9600 to 115200	Dwyer	6 psi Maximum	BTL, CE	BACnet MS/TP, Modbus RTU	1/8 Unit	Backlit LCD display, LED setpoint indicators	LCD	Sub-D Male Miniature Connector	IP66, NEMA Type 4X	Consult factory	Differential	1 inH₂O	-1 inH₂O	Air, Argon, Carbon dioxide, Helium, Nitrogen, Non-Corrosive Dry Gases	None	15	158 °F	-4 °F	4 to 20 mA; 0 to 10 V, 0 to 5 V, 1 to 5 V, 2 to 10 V	Current, Voltage	3 VA	1/8" female NPT ports on side and back	1/8 in	NPT Female	400 ms	400 ms (damping set to 0)	Menu Configurable	<± 1% FSO/year	12-28 VDC or 12-28 VAC 50 to 400 Hz	AC/DC	12 to 28 Vac/Vdc	2 SPDT relays, 1 A @ 30 VAC/VDC	1 A @ 30 Vac/Vdc	(2) SPDT	0.02% FS/°F	Accessible via Menus
12	12	DHC-206	Polycarbonate	± 0.5 %	± 0.5% FSO for all ranges, except 0.5 in w.c. @ ± 1% FSO, and ranges at or below ± 0.25 in w.c. @ ± 1.5% FSO	Fluid Measurement and Control	9600 to 115200	Dwyer	6 psi Maximum	BTL, CE	BACnet MS/TP, Modbus RTU	1/8 Unit	Backlit LCD display, LED setpoint indicators	LCD	Sub-D Male Miniature Connector	IP66, NEMA Type 4X	Consult factory	Differential	2.5 inH₂O	-2.5 inH₂O	Air, Argon, Carbon dioxide, Helium, Nitrogen, Non-Corrosive Dry Gases	None	15	158 °F	-4 °F	4 to 20 mA; 0 to 10 V, 0 to 5 V, 1 to 5 V, 2 to 10 V	Current, Voltage	3 VA	1/8" female NPT ports on side and back	1/8 in	NPT Female	400 ms	400 ms (damping set to 0)	Menu Configurable	<± 1% FSO/year	12-28 VDC or 12-28 VAC 50 to 400 Hz	AC/DC	12 to 28 Vac/Vdc	2 SPDT relays, 1 A @ 30 VAC/VDC	1 A @ 30 Vac/Vdc	(2) SPDT	0.02% FS/°F	Accessible via Menus
13	13	DHC-209	Polycarbonate	± 0.5 %	± 0.5% FSO for all ranges, except 0.5 in w.c. @ ± 1% FSO, and ranges at or below ± 0.25 in w.c. @ ± 1.5% FSO	Fluid Measurement and Control	9600 to 115200	Dwyer	6 psi Maximum	BTL, CE	BACnet MS/TP, Modbus RTU	1/8 Unit	Backlit LCD display, LED setpoint indicators	LCD	Sub-D Male Miniature Connector	IP66, NEMA Type 4X	Consult factory	Differential	10 inH₂O	-10 inH₂O	Air, Argon, Carbon dioxide, Helium, Nitrogen, Non-Corrosive Dry Gases	None	15	158 °F	-4 °F	4 to 20 mA; 0 to 10 V, 0 to 5 V, 1 to 5 V, 2 to 10 V	Current, Voltage	3 VA	1/8" female NPT ports on side and back	1/8 in	NPT Female	400 ms	400 ms (damping set to 0)	Menu Configurable	<± 1% FSO/year	12-28 VDC or 12-28 VAC 50 to 400 Hz	AC/DC	12 to 28 Vac/Vdc	2 SPDT relays, 1 A @ 30 VAC/VDC	1 A @ 30 Vac/Vdc	(2) SPDT	0.02% FS/°F	Accessible via Menus

Product Description

The Digihelic® Differential Pressure Controller combines a digital gauge, control relay, and transmitter in one device, offering versatile measurements with 1.5% accuracy.

Documentation

Product Page

Web Page

Data Sheet

Contact the supplier

DwyerOmega

DwyerOmega is a leading global manufacturer of precision measurement and control solutions, trusted across industries to enhance operational efficiency, ensure safety, and support sustainability goals. With a legacy of innovation and quality, our products empower customers to monitor, manage, and optimize critical processes with confidence.

DwyerOmega

DwyerOmega
102 Indiana Hwy. 212
46360 Michigan City
United States of America
https://www.dwyeromega.com/