Dwyer Products

The Series FSW2 Free-Floating Level Switch is a mercury-free self counter-weighted floating switch designed for the automation of pumps, specifically filling and draining of tanks, wells, and reservoirs. The FSW2 body is free of any irregularities making it ideal for use in sewage water applications.

• Service: Compatible liquids, slurries. Wetted Materials: Enclosure: Polypropylene; Cable: PVC
• Operating Temperature: 32 to 122°F (0 to 50°C). Pressure Limits: 29 psi (2 bar)
• Enclosure Rating: IP68
• Switch Type: See model chart
• Electrical Rating: 10 (8) A @ 250 VAC
• Mounting Orientation: Vertical
• Shipping Weight: Enclosure: 2.4 lb (1100 g); Cable: 0.77 oz (21.27 g) per ft
• Agency Approval: CE

• Item Code: SERIESFSW
• Minimum Order Quantity: 1 Piece(s)

• Service: Compatible liquids and slurries. 
• Wetted Materials: Enclosure: Polypropylene; Cable: PVC
• Operating Temperature: 32 to 122°F (0 to 50°C). Pressure Limits: 29 psi (2 bar)
• Enclosure Rating: IP68
• Switch Type: See model chart
• Electrical Rating: 10 (8) A @ 250 VAC
• Mounting Orientation: Vertical
• Shipping Weight: Enclosure: 2.4 lb (1100 g); Cable: 0.77 oz (21.27 g) per ft
• Agency Approval: CE

• Item Code: FLTS
• Minimum Order Quantity: 1 Piece(s)

The Series TRI2 combines the value of an individual pressure gage and thermometer in one instrument. These tridicators simplify installation which reduces time and saves money. The moveable dial with blue pressure markings and red temperature markings make the instrument easy to read.Pressure is indicated in both psi and kPa, while temperature is measured in both Fahrenheit and Celsius.  Series TRI2 comes in three different connection options including lower mount, center back mount, and center back mount with extension shank.

• Service: Compatible gases and liquids
• Wetted Materials: 316 L SS Tube, 316 SS connector
• Housing: 304 SS
• Lens: Polycarbonate
• Accuracy: ±1.5% FS
• Pressure Limit: FS range
• Temperature Limits: -4 to 140°F (-20 to 60°C)
• Size: 2.5" (63 mm)
• Process Connections: 1/4" male NPT
• Weight: 4.9 oz (141 g) bottom, 5.8 oz (164 g) back. Add 3.7 oz (104 g) for glycerin fill.

• Item Code: SeriesSGZ

• Service: Compatible gases and liquids
• Wetted Materials: SGX: Brass; SGF: 316/316L SS
• Housing: 304 SS
• Lens: Glass
• Accuracy: ±1.6% full scale on positive pressure ranges 15" w.c. & greater; ±2.5% full scale on all other ranges
• Pressure Limits: Full scale value
• Temperature Limits: Ambient: -13 to 149°F (-25 to 65°C); Process: 212°F (100°C) max
• Size: 2.5" (63 mm)
• Process Connection: 1/4" male NPT
• Enclosure Rating: NEMA 3 (IP55)
• Weight: 4.6 oz (0.13 kg)

• Item Code: SeriesSGX-SGF
• Minimum Order Quantity: 1 Piece(s)

• Service: Compatible liquids & gases
• Wetted Materials: 316L SS chamber with PTFE protected steel diaphragm
• Housing: 304 SS
• Accuracy: ±1.6% full scale
• Pressure Limits: 130% full scale
• Temperature Limits: Ambient: -13 to 149°F (-25 to 65°C); Process: 248°F (120°C)
• Size: 4" (100 mm)
• Process Connection: 1/2" male NPT
• Enclosure Rating: NEMA 3 (IP55)
• Weight: 3.0 lb (1.34 kg)

• Item Code: SeriesSGO
• Minimum Order Quantity: 1 Piece(s)

The Series SGO Gages have dual English/metric scales with ±1.6% full scale accuracy. The Series SGO gages are designed with 304 SS housing, a 316L SS chamber and PTFE coated diaphragm for excellent chemical compatibility. Units can withstand ambient temperatures up to 149°F (65°C) and process temperatures up to 248°F (120°C). Ranges are available from full vacuum, compound to 300 psi.

• Service: Liquids and Compatible gases
• Wetted Materials: 316L SS chamber with PTFE protected steel diaphragm
• Housing: 304 SS
• Accuracy: ±1.6% full scale
• Pressure Limits: 130% full scale
• Temperature Limits: Ambient: -13 to 149°F (-25 to 65°C); Process: 248°F (120°C)
• Size: 4" (100 mm)
• Process Connection: 1/2" male NPT
• Enclosure Rating: NEMA 3 (IP55)
• Weight: 3.0 lb (1.34 kg)

• Item Code: SeriesSgo
• Minimum Order Quantity: 1 Piece(s)

• Service: Compatible gases and liquids
• Wetted Materials: 316 L SS tube, 316 SS connector
• Housing: 304 SS
• Lens: Polycarbonate.
• Accuracy: 2.5% FS
• Pressure Limit: FS range
• Temperature Limits: -4 to 140°F (-20 to 60°C)
• Size: 1.5" (40 mm)
• Process Connections: 1/8" male NPT
• Weight: 2.4 oz (70 g) bottom, 2.5 oz (72 g) back

• Item Code: IPG
• Minimum Order Quantity: 1 Piece(s)

• Service: Liquids and Compatible gases
• Wetted Materials: SGX: Brass; SGF: 316/316L SS
• Housing: 304 SS
• Lens: Glass
• Accuracy: ±1.6% full scale on positive pressure ranges 15" w.c. & greater; ±2.5% full scale on all other ranges
• Pressure Limits: Full scale value
• Temperature Limits: Ambient: -13 to 149°F (-25 to 65°C); Process: 212°F (100°C) max
• Size: 2.5" (63 mm)
• Process Connection: 1/4" male NPT
• Enclosure Rating: NEMA 3 (IP55)
• Weight: 4.6 oz (0.13 kg)

• Item Code: SeriesSGX-SGFgen
• Minimum Order Quantity: 1 Piece(s)

The SERIES SGY Gages have dual psi and bar (x100 kPa) scales with ±1.5% full-scale accuracy. The Series SGY gages are designed with brass wetted parts and 304 SS housings for excellent chemical compatibility. These gages cover a wide variety of ranges from full vacuum to 1,000 psi and are available in both bottom or back connections.

• Service: Compatible gases and liquids
• Wetted Materials: Brass connection, bronze tube
• Housing: 304 SS
• Lens: Polycarbonate
• Accuracy: ±1.5% FS
• Pressure Limit: FS range
• Temperature Limits: -4 to 140°F (-20 to 60°C)
• Size: 2.5" (63 mm)
• Process Connections: 1/4" male NPT
• Weight: 4.9 oz (139 g) bottom, 5.8 oz (164 g) back. Add 2.8 oz (78 g) for fill.

• Item Code: SeriesSGY

Features

• Service: Compatible gases & liquids
• Wetted Materials: 316 SS diaphragm in 316L SS chamber
• Housing: 304 SS
• Accuracy: ±1.6% full scale
• Pressure Limit: 130% full scale
• Temperature Limits: Ambient: -13 to 149°F (-25 to 65°C); Process: 248°F (120°C)
• Size: 4" (100 mm)
• Process Connection: 1/2" male NPT
• Enclosure Rating: NEMA 3 (IP55)
• Weight: 3.1 lb (1.4 kg)

• Item Code: SCF1
• Minimum Order Quantity: 1 Piece(s)

• Service: Compatible gases and liquids
• Wetted Materials: 316 SS diaphragm with 316L SS chamber
• Housing: 304 SS
• Accuracy: ±1.6% full scale
• Pressure Limit: 130% full scale
• Temperature Limits: Ambient: -13 to 149°F (-25 to 65°C); Process: 248°F (120°C)
• Size: 4" (100 mm)
• Process Connection: 1/2" male NPT
• Enclosure Rating: NEMA 3 (IP55)
• Weight: 3.1 lb (1.4 kg)

• Item Code: SERIES-SGP
• Minimum Order Quantity: 1 Piece(s)

ZV1 Series Zone Valves are ideal for flow control in hot and cold water HVAC systems. Zone valves are typically used in conjunction with a thermostat to control room temperature. The ZV1 is electrically driven to open and spring to close.Units are available in 1/2", 3/4", and 1" sizes with 120VAC or 24VDC.

• Service: Compatible fluids
• Body: 2-way, normally closed
• Line Size: 1/2" to 1"
• End Connections: Female NPT (optional BSP, sweat connections)
• Pressure Limits: Maximum: 300 psi (20.7 bar); Close-off: 1/2" to 3/4": 22 psi (1.5 bar), 1": 14.5 psi (1 bar)
• Temperature Limits: Ambient: 32 to 104°F (0 to 40°C); Process: 0 to 201°F (0 to 94°C)
• Wetted Materials: Brass, stainless steel, NBR
• Flow Characteristic: Quick opening
• Power Requirements: 120 VAC or 24 VAC, ±10%, 50/60 Hz, (optional 220 VAC)
• Power Consumption: 6.5 W
• Input: On/off
• Electrical Connection: 22 AWG, 5" (127 mm) long
• Cycle Time: Opening time: 11 seconds; Closing time: 5 seconds
• Enclosure Rating: General purpose
• Housing Material: Aluminum

• Item Code: ZV1

• Temperature Range: 14 to 122°F (-10 to 50°C)
• Temperature Accuracy: ±4.5°F (±2.5°C)
• Temperature Resolution: 2°F (1°C)
• Memory Size: 4080 readings
• Sampling Mode: Continuous
• Sampling Rate: 30 min (fixed)
• Computer Requirements: Windows® 98, Windows® 2000, Windows® XP, and Windows Vista® (software included)
• Power Requirements: 3 V CR1620 lithium metal battery, installed non-functional, user replaceable
• Alarms: Programmable high/low
• Interface: USB
• Weight: 1 oz (30 g)
• Agency Approvals: CE

The compact design of the DW-USB Series data loggers allows the user to monitor temperature, humidity, dew point, voltage, or current almost anywhere. The user can select the sampling rate, start time, high/low alarm settings, and temperature unit parameters with easy to install Windows® based software. Stored data is downloaded by simply plugging the module into a PC's USB port with no cable required. Alarm status and low battery is indicated via built-in flashing LED's. When the protective cap is fitted, the data logger resists moisture to IP67 standards.

• Temperature Range: 14 to 122°F (-10 to 50°C)
• Temperature Accuracy: ±4.5°F (±2.5°C)
• Temperature Resolution: 2°F (1°C)
• Memory Size: 4080 readings
• Sampling Mode: Continuous
• Sampling Rate: 30 min (fixed)
• Computer Requirements: Windows® 98, Windows® 2000, Windows® XP, and Windows Vista® (software included)
• Power Requirements: 3 V CR1620 lithium metal battery, installed non-functional, user replaceable
• Alarms: Programmable high/low
• Interface: USB
• Weight: 1 oz (30 g)
• Agency Approvals: CE

• Item Code: DW-USB-LITE
• Minimum Order Quantity: 1 Piece(s)

• Service: Compatible gases and liquids.
• Wetted Materials: Brass connection and phosphor bronze Bourdon tube
• Housing: Drawn steel, black finish
• Accuracy: Pressure ±3-2-3%; Temperature ±1 scale division
• Temperature Range: All models: 80 to 290°F (30 to 140°C)
• Temperature Limits: Ambient: -40 to 250°F (-40 to 120°C); Process: 80 to 290°F (30 to 140°C)
• Pressure Limits: FS range
• Size: 3" (76 mm)
• Process Connections: 1/2" male NPT back or bottom, 1/4" male NPT back connection
• Weight: 12.35 oz (350 g) center back mount and lower mount;14.11 oz (400 g) center back mount with extension shank

• Item Code: triseries2

Features

• Service: Compatible, non-combustible liquids and gases
• Wetted Materials: 316 SS
• Other Materials: Housing: Aluminum alloy; Display: Acrylic MR200; Buttons: Silicon gel; Back plate: 304 SS; Back seal: Oil-proof latex
• Accuracy: 0.05% FS; ±1 least significant digit
• Temperature Accuracy: ±1°C
• Pressure Limits: 120% FS
• Temperature Limits: 14 to 122°F (-10 to 50°C)
• Compensated Limits: 32 to 122°F (0 to 50°C)
• Process Connection: 1/2" male NPT
• Display: 5-digit LCD with blue backlight
• Power Requirements: 9 V alkaline battery, included, user replaceable, or power adapter accessory
• Battery Life: Up to 10,000 hours (600 working hours @ default 3 times/s)
• Auto Shut-off: Backlight: On/off, 10 s, 20 s, 30 s
• Weight: 1.28 lb (0.58 kg)
• Agency Approvals: CE

• Item Code: SeriesDCGII
• Minimum Order Quantity: 1 Piece(s)

• Service: Compatible, non-combustible gases & liquids
• Wetted Materials: 316 SS
• Other Materials: Housing: Aluminum alloy; Display: Acrylic MR200; Buttons: Silicon gel; Back plate: 304 SS; Back seal: Oil-proof latex
• Accuracy: 0.05% FS; ±1 least significant digit
• Temperature Accuracy: ±1°C
• Pressure Limits: 120% FS
• Temperature Limits: 14 to 122°F (-10 to 50°C)
• Compensated Limits: 32 to 122°F (0 to 50°C)
• Process Connection: 1/2" male NPT
• Display: 5-digit LCD with blue backlight
• Power Requirements: 9 V alkaline battery, included, user replaceable, or power adapter accessory
• Battery Life: Up to 10,000 hours (600 working hours @ default 3 times/s)
• Auto Shut-off: Backlight: On/off, 10 s, 20 s, 30 s
• Weight: 1.28 lb (0.58 kg)
• Agency Approvals: CE

• Item Code: SeriesDCGIIgen
• Minimum Order Quantity: 1 Piece(s)

Features

• Service: Air and non-conductive gases
• Wetted Materials: Brass connection, bronze tube
• Housing: Chrome plated steel
• Lens: Polycarbonate
• Accuracy: ± 3-2-3% FS
• Pressure Limits: Full scale range
• Temperature Limits: -4 to 140°F (-20 to 60°C)
• Size: 2.5" (63 mm)
• Process Connections: 1/4" male NPT
• Weight: 8 oz (227g)

• Item Code: SeriesLPG5
• Minimum Order Quantity: 1 Piece(s)

Features

• Service: Liquids and Compatible gases 
• Wetted Materials: Brass connection, bronze tube
• Housing: Chrome plated steel
• Lens: Polycarbonate
• Accuracy: ± 3-2-3% FS
• Pressure Limits: Full scale range
• Temperature Limits: -4 to 140°F (-20 to 60°C)
• Size: 2.5" (63 mm)
• Process Connections: 1/4" male NPT
• Weight: 8 oz (227g)

• Item Code: Series-LPG5
• Minimum Order Quantity: 1 Piece(s)

Features

• Accuracy: ±3% FSTemperature Limits: Inclined Models: 150°F (65°C), Inclined/Vertical Models: 140°F (60°C)
• Temperature Limits: Inclined Models: 150°F (65°C), Inclined/Vertical Models: 140°F (60°C)
• Pressure Limits: Inclined/Vertical Models: 10 psi (70 kPa); Inclined Models: 15 psi (100 kPa)
• Scale Length: Inclined Models: Approx. 8-1/4" (21 cm)
• Weight: Inclined/Vertical Models: 1.04 lb (472 g); Inclined Models: 1.23 lb (558 g)

• Item Code: MarkIi

SERIES Mark II Molded Manometers are of the inclined-vertical and inclined types. The Model 25 is excellent for general purpose work. The Model 40 inclined gage provides excellent resolution throughout its range & linear calibration.The Model 40 is ideally suited for air filter gage & air velocity applications.

• Accuracy: ±3% FS
• Temperature Limits: Inclined/Vertical Models: 140°F (60°C); Inclined Models: 150°F (65°C)
• Pressure Limits: Inclined/Vertical Models: 10 psi (70 kPa); Inclined Models: 15 psi (100 kPa)
• Scale Length: Inclined Models: Approx. 8-1/4" (21 cm)
• Weight: Inclined/Vertical Models: 1.04 lb (472 g); Inclined Models: 1.23 lb (558 g)

• Item Code: MARKIISeries

• Inputs: Thermistor,RTD, thermocouple, current, voltage, slidewire
• Range: Internal temperature: -22 to 158°F (-30 to 70°C); Internal RH: 0 to 100%; External temperature: -22 to 158°F (-30 to 70°C); External RH: 0 to 100%
• Accuracy: Internal temperature: ±1°F (± 0.5°C); External temperature: ±1°F (±0.5°C) over 30 to 122°F (0 to 50°C), ±2°F (±1°C) over -30 to 32°F (-30 to 0°C) and 122 to 158°F (50 to 70°C); Internal/external RH: ±2.0% RH over 10%-90%, ±4.0% RH over 0-10% and 90-100% RH
• Memory Size: 0 or 2 universal inputs: 62,000 readings; 4 universal inputs: 128,000 readings
• Resolution: All universal inputs: 16 Bit; Internal & external temperature: 12 Bit; Internal & external RH: 8 Bit
• Sampling Method: Stop when full or continuous logging (wrap when full)
• Sampling Rate: Selectable from 1 second to 24 hours
• Computer Requirements: Windows® 98, Windows® 2000, Windows® ME, Windows NT®, Windows® XP, and Windows Vista® operating system with 16 MB RAM, one free USB port
• Power Requirements: 3.6 V AA lithium metal battery, installed functional, user replaceable
• Battery Life: 6 years (approx.)
• Alarms: Programmable high/low
• Interface: USB port (cable included)
• Housing Material: ABS plastic
• Weight: 5.8 oz (165 g)
• Agency Approvals: CE, RoHS.

• Item Code: SeriesUDL
• Minimum Order Quantity: 1 Piece(s)

• Memory Size: 16,382 temperature; 16,382 each temperature and RH; 32,764 readings for current, voltage and thermocouple; and 32,510 for carbon monoxide
• Sampling Mode: Stop on memory full
• Sampling Rate: Selectable from 10 sec to 12 hrs (DW-USB-1, DW-USB-2, DW-USB-HA), 1 sec to 12 hrs (DW-USB-3, DW-USB-4, DW-USB-5, DW-USB-LR) and 10 sec to 5 min (DW-USB-6)
• Computer Requirements: Windows® 98, Windows® 2000, Windows® XP, Windows NT®, Windows® 7 or Windows Vista® 32-bit or 64-bit operating systems
• Power Requirements: 3.6 V 1/2 AA lithium metal battery, included, user replaceable
• Housing: ABS plastic blend
• Alarms: Programmable high/low
• Interface: USB Port
• Weight: 1.5 oz (43 g)
• Agency Approvals: CE, RoHS

• Item Code: SeriesDW-USB
• Minimum Order Quantity: 1 Piece(s)

• Service: Liquids & Compatible gases 
• Wetted Materials: Brass connection and phosphor bronze Bourdon tube
• Housing: Drawn Steel, black finish
• Accuracy: Pressure ±3-2-3%; Temperature ±1 scale division
• Temperature Range: All models: 80 to 290°F (30 to 140°C)
• Temperature Limits: Ambient: -40 to 250°F (-40 to 120°C); Process: 80 to 290°F (30 to 140°C)
• Pressure Limits: Full scale range
• Size: 3" (76 mm)
• Process Connections: 1/2" male NPT back or bottom, 1/4" male NPT back connection
• Weight: 12.3 oz (348.7 g)

• Item Code: Series-Tri

• Service: Compatible gases and liquids
• Wetted Materials: Brass connection and phosphor bronze Bourdon tube
• Housing: Drawn Steel, black finish
• Accuracy: Pressure ±3-2-3%; Temperature ±1 scale division
• Temperature Range: All models: 80 to 290°F (30 to 140°C)
• Temperature Limits: Ambient: -40 to 250°F (-40 to 120°C); Process: 80 to 290°F (30 to 140°C)
• Pressure Limits: Full scale range
• Size: 3" (76 mm)
• Process Connections: 1/2" male NPT back or bottom, 1/4" male NPT back connection
• Weight: 12.3 oz (348.7 g)

• Item Code: TRISERIES

Features

• Service: Compatible liquids and gases
• Wetted Materials: Brass connection and phosphor bronze Bourdon tube
• Housing: Drawn Steel, black finish
• Accuracy: Pressure ±3-2-3%; Temperature ±1 scale division
• Temperature Range: All models: 80 to 290°F (30 to 140°C)
• Temperature Limits: Ambient: -40 to 250°F (-40 to 120°C); Process: 80 to 290°F (30 to 140°C)
• Pressure Limits: Full scale range
• Size: 3" (76 mm)
• Process Connections: 1/2" male NPT back or bottom, 1/4" male NPT back connection
• Weight: 12.3 oz (348.7 g)

• Item Code: Seriestr1

• Service: Compatible gases & liquids
• Wetted Materials: Grade A accuracy: Inconel® X-750 alloy Bourdon tube, nickel plated brass connection block
• Grade 2A accuracy: Inconel® X-750 alloy Bourdon tube, type 316L SS connection block
• Housing: Black polycarbonate case and clear acrylic cover
• Accuracy: Grade A (2%-1%-2%); Grade 2A (0.5% F.S.)
• Pressure Limit: 150% of full scale. Gage will maintain its specifications for overpressures up to 150% maximum range. Normal operation should be between 25% and 75% of full scale
• Temperature Limits: -65 to 180°F (-53.9 to 82.2°C)
• Size: 4-1/2" (114.3 mm) dial face - Design conforms to ASME B40.1
• Process Connections: Dual size 1/2" male NPT x 1/4" female NPT, bottom connections
• Weight: 18.2 oz (516 g)

• Item Code: Series7000B

Features

• Inputs: RTD, thermocouple, thermistor, current, voltage, slidewire
• Range: Internal temperature: -22 to 158°F (-30 to 70°C); Internal RH: 0 to 100%; External temperature: -22 to 158°F (-30 to 70°C); External RH: 0 to 100%
• Accuracy: Internal temperature: ±1°F (± 0.5°C); External temperature: ±1°F (±0.5°C) over 30 to 122°F (0 to 50°C), ±2°F (±1°C) over -30 to 32°F (-30 to 0°C) and 122 to 158°F (50 to 70°C); Internal/external RH: ±2.0% RH over 10%-90%, ±4.0% RH over 0-10% and 90-100% RH
• Memory Size: 0 or 2 universal inputs: 62,000 readings; 4 universal inputs: 128,000 readings
• Resolution: All universal inputs: 16 Bit; Internal & external temperature: 12 Bit; Internal & external RH: 8 Bit
• Sampling Method: Stop when full or continuous logging (wrap when full)
• Sampling Rate: Selectable from 1 second to 24 hours
• Computer Requirements: Windows® 98, Windows® 2000, Windows® ME, Windows NT®, Windows® XP, and Windows Vista® operating system with 16 MB RAM, one free USB port
• Power Requirements: 3.6 V AA lithium metal battery, installed functional, user replaceable
• Battery Life: 6 years (approx.)
• Alarms: Programmable high/low
• Interface: USB port (cable included)
• Housing Material: ABS plastic
• Weight: 5.8 oz (165 g)
• Agency Approvals: CE, RoHS.

• Item Code: UIDP
• Minimum Order Quantity: 1 Piece(s)

Features

• Working Pressure: 5 bar (72 psi)
• Temperature Limits: -20 to 120°F (-29 to 49°C)
• Displaced Volume: Approximately 1.2 in³ (20 cm³) with 3/64" (1 mm) thread revolution (turn)
• Output Connection: 1/8" NPT(F)
• Overall Dimensions: 7-7/8" (20 cm) length, 1-3/8" (3.5 cm) diameter
• Weight: 14 oz (400 g)

• Item Code: 396A