Đồng Hồ Đo Chênh Áp Series 3000MR & 3000MRS

 

Model	:	SERIES 3000MR & 3000MRS
Manufacturer	:	DWYERS
Origin	:	USA
Service	:	Air and non-combustible, compatible gases.
Wetted Materials	:	Consult factory.
Accuracy	:	±2% of full scale (3000-0 ±3% of full scale). (3000-00 ±4% of full scale).
Pressure Limit	:	-20" Hg. to 25 psig (-0.677 bar to 1.72 bar). MP option; 35 psig (2.41 bar), HP option; 80 psig (5.52 bar).
Temperature Limits	:	20 to 120°F (-6.67 to 48.9°C).
Process Connections	:	1/8" female NPT (duplicated side and back).
Size	:	4" (101.6 mm) dial face, 5"
Weight	:	1.8 lb (816 g).
SWITCH SPECIFICATIONS 3000MR
Switch Type	:	Each setpoint has 1 form C relays (SPDT).
Relay Contacts	:	(Resistive load) 1 form C rated 1.0A @ 30 VDC, 0.3A @ 110 VDC or 0.5A @ 125 VAC. Gold over clad silver - suitable for dry circuits.
Electrical Connections	:	18" (46 cm) cable assembly with 8 conductors. Optional lengths to 100' (30.5 m).
Power Requirements	:	24 VDC, regulated ±10%
Mounting Orientation	:	Diaphragm in vertical position. Consult factory for other position orientations.
Set Point Adjustment	:	Adjustable knobs on face.
Agency Approvals	:	CE.
SWITCH SPECIFICATIONS 3000MRS
Switch Type	:	Each setpoint has a solid state relay.
Switching Voltage	:	20-280 VAC (47-63 Hz)
Switching Current	:	1.0 amp (AC) max., 0.01 mA (AC) min., (2) SPST N.O.
Electrical Connections	:	18" (46 cm) cable assembly with 6 conductors, optional lengths to 100' (30.5 m).
Power Requirements	:	24 VDC, regulated ±10%
Mounting Orientation	:	Diaphragm in. vertical position. Consult factory for other position orientations.
Set Point Adjustment	:	Adjustable knobs on face.
Agency Approvals	:	CE.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OPTIONS & ACCESSORIES

Tamper-proof Knobs, require spanner type key (supplied) to change setpoints. Add suffix-TAMP

Low Temperature Option for use under 20°F (-6.7°C). Add suffix -LT

Medium Pressure  increases maximum rated pressure to 80 psig (5.5 bar). And suffix -MP

High Pressure increases maximum rated pressure to 80 psig (5.5 bar). Add suffix -HP

Weatherproof Housing Option.

Add Suffix-WP

A-298, Flat Aluminum Bracket for flush mouting 3000MR/MRS

A-370, Mounting Bracket flush mount 3000MR/MRS bracket. Bracket is then surface mounted. Steel with gray hammertone epoxy finish

A-600, R/C Snubber recommended for inductive loads like a solenoid or contactor

 

Model	Range, Inches w.c.	Minor Divs.	Model	Range, Kilopascals	Minor Divs.
3000(MR)(MRS)**- 00 3000(MR)(MRS)**- 0 3001(MR)(MRS) 3002(MR)(MRS) 3003(MR)(MRS) 3005(MR)(MRS) 3010(MR)(MRS) 3015(MR)(MRS) 3020(MR)(MRS) 3030(MR)(MRS) 3050(MR)(MRS) 3100(MR)(MRS)	0-0.25 0-0.5 0-1.0 0-2.0 0-3.0 0-5.0 0-10 0-15 0-20 0-30 0-50 0-100	.005 .01 .02 .05 .10 .10 .20 .50 .50 1.0 1.0 2.0	3000(MR)(MRS)-1KPA 3000(MR)(MRS)-3KPA 3000(MR)(MRS)-4KPA	0-1.0 0-3.0 0-4.0	.02 .10 .10
			Model	Range, MM W.C.	Minor Divs.
			3000(MR)(MRS)-6MM* 3000(MR)(MRS)-10MM 3000(MR)(MRS)-25MM 3000(MR)(MRS)-50MM 3000(MR)(MRS)-100MM	0-6 0-10 0-25 0-50 0-100	.20 .50 .50 1.0 2.0
			Model	Range, CM W.C	Minor Divs
Model	Range, Pascals	Minor Divs.	3000(MR)(MRS)-20CM	0-20	.50
3000(MR)(MRS)-60PA* 3000(MR)(MRS)-125PA 3000(MR)(MRS)-250PA 3000(MR)(MRS)-500PA	0-60 0-125 0-250 0-500	2.0 5.0 5.0 10.0	When ordering, select either MR or MRS suffix to Series 3000 number. Examples: 3001MR or 3001MRS

 

 *±3% of full scale. **±4% of full scale.

 

 

 

 

 

 

 

 

 

 

 

 

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