Dwyer Instruments Archives - DG Instruments Pty Ltd

Dwyer BTT Temperature Transmitters

Duct, immersion, and outside air models available;
Radiation shield available for mounting in sunlight;
Output: 4…20 mA or 0…10 VDC;
2-Wire Loop Powered;
Various Configurations to choose from;

( Model No. Example: BTT-D08-1 )

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Pocket Wind Meter

measures wind speed, temperature and wind chill
accurately with its rotating vane and thermo-anemometer sensor.
The body and rotating vane are constructed of light weight, sturdy ABS plastic.
The ABS impeller spins on a high precision jewel bearing.
Wind speed, maximum wind speed, temperature and wind chill can quickly be viewed on the LCD display.

Model No: 89088

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Model MW-1 Pocket Wind Meter

Wind speed and temperature measured via the integral vane and thermo-anemometer sensor.
Users can view readings on the four digit LCD with wind speed bar graph and select units for air velocity and temperature.
The MW-1 also features automatic shut-off, detailed instruction manual, and protective plastic water resistant housing that floats.

MODEL MW-1

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Portable Wind Meter

Direct reading, no calculations.
Hold meter at eye level, back of unit to wind.
White ball in tube indicates wind speed.
Two scales for maximum accuracy and easy reading – low, 2-10 and high, 4-66 mph range.

Dimensions: 5/8″W X 6-3/4″H X 17/32″D.

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Mark II Wind Speed Indicator

Perfect for your living room, workshop or office.
Instruments are accurate, low-cost and practical.
Standard model indicates wind speed directly on liquid filled scale
7-3/8″W X 5-5/8″H X 1-1/8″D. Includes ABS plastic vane, 50′ tubing, mounting hardware and gage fluid.
Also available is metric model, same as above but reading 0-130 kilometers per hour.

(Model No Example: Mk II Wind Speed Indicator, MPH or Mk II Wind Speed Indicator, KPH)

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Dwyer Visi-Float Variable Area Flowmeter

- Measurement and Control of Low Gas and Liquid Flows
- 50mm & 100 mm Scales; Well stocked ranges;
- Regulating Valve for flow adjustment
- Solid Acylic Body; Pressures to 100 PSIG;
- Options: Stainless Steel or Brass Threaded Connections

(Model No. Example: VFA-23-SSV)

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Dwyer V4 Flotect Vane Operated Flow Switch

- Leakproof body machined from Barstock; Stainless Steel or Brass
- to suit pipe sizes from 40mm up to 500mm N.B;
- EXD Explosion-Proof to IECEx, SAA, ATEX, U.L. or FM compliance
- S.P.D.T. Snap Action Switch; for Gases or Liquids;
- Options: High Temperature to 205 Deg.C; Gold Plated Contacts; D.P.D.T;

(Model No. Example: V4-SS-2-U)

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Dwyer V10 Mini-Size Flow Switch

- Mini-Size Vane Operated, Field Trimmable
- To suit pipe sizes from 15 mm (1/2”) up to 50 mm (2”) N.B
- 1/2” NPT Male; Stainless Steel or Brass Leak-Proof Body
- S.P.S.T. Norm-Open or Norm-Closed ; for liquids and gases/air
- Magnetically Actuated; 400 mm Long PVC Lead Wires;

(Model No. Example: V10SS )

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Dwyer V6 Flotect Mini-Size Flow Switch

- Leakproof body from Barstock; Stainless Steel or Brass;
- to suit pipe sizes from 15mm up to 50mm N.B; Integral Tee-Piece
- EXD Explosion-Proof to ATEX, U.L, CSA or FM compliance
- S.P.D.T. Snap Action Switch; for Gases or Liquids;
- Options: Junction Boxes; High Temp; Gold Plated Contacts; D.P.D.T;

(Model No. Example: V6-EPS-S-S-2-S)

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Dwyer V8 Plastic Vane Type Flow Switch

Vane Operated, Field Trimmable
to suit pipe sizes from 25 mm (1”) up to 150 mm (6”) N.B
1” NPT Male; PPS Plastic Leak-Proof Body
S.P.D.T. Switch Output; for use with Gases or Liquids;
Options: IP65 Cast Alloy or PC Plastic Terminal Head

(Model No. Example: V8 )

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Dwyer PBLT2 Submersible Level Transmitter

Hydrostatic design, for Sludge & Slurries
4-20 mA 2-Wire Signal Output (+/- 0.25% Full Scale Accuracy)
Stocked measuring ranges and cable lengths
Polyurethane or ETFE Cable material
Options: Lightning Protrection & Intrinsically Safe versions

(Model No. Example: PBLT2-3.5M-10M)

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Dwyer L4 Ex Float Type Level Switch

Certified EXD Explosion-Proof to IECEx Compliance;
Magnetically Operated Switch; Leak Proof Body;
1-1/2″ NPT Male Process Connection;
SPDT Snap Action Switch as standard, DPDT optional;
Available with a Stainless Steel or Brass Body;
Options: Gold Plated Contacts; High Temp. 204-Deg.C;

( Model No. Example: L4-SS -IEC)

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Dwyer Venturi Flowmeter With Magnehelic Gage

+/- 2.5% Accuracy,Dual Scale in SCFM & in w.c
Service: Air and Non-Combustible ,Compatible gases
Available in Aluminum
Operating Ranges: 10 up to 40 in w.c
Temperature limits: 20 to 140 Deg.F
Process Connection: Female NPT

(Model No. Example: 2000-10VF1)

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Dwyer SFI Sight Flow Indicators

Plain, Spinning Rotor or Flapper Designs
Sizes from 1/4″ through to 6″ (150 mm)
Available in Brass, Carbon Steel or Stainless Steel
Operating Pressures to 15 BAR (model dependant)
Operating Temperatures to 100 Deg.C

( Model No. Example: SFI-300SS-2″ )

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Dwyer Flex-Tube U-Tube Manometer – Fluid Filled

Measure Positive, Negative or Differential Pressure
Smallest Range: 0-200 mmWG; Largest Range: 0-1000 mmWG
Tough Long Lasting Plastic Construction
supplied with Fluorescein Green Dye Concentrate
Options: Magnetic Mounting Clips; Shut-Off Valves;

(Model No. 1222-M300-W/M)

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Dwyer Slack Tube U-Tube Manometer – Fluid Filled

Measure Positive, Negative or Differential Pressure
Smallest Range: 0-500 mmWG; Largest Range: 0-1000 mmWG
Designed to be rolled up for compact storage
supplied with Fluorescein Green Dye Concentrate
Options: Gas Pressure Kit for servicing Gas Appliances

(Model No. 1211-200)

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Dwyer Mark II Molded Plastic Manometers

Measure Positive or Differential Pressure
Smallest Range: 0.1 to 1.0 “WG; Largest Range to 700 Pascal
Tough Plastic Construction; Inclined or Inclined/Vertical Models
Zero Adjustment Knob; Glass Level Gauge; Accuracy: +/- 3% FSD
Options: Portable Stand Kit; Filter Kits;

(Model No. Mark II M-700PA)

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Dwyer DPG Digital Pressure Gauge

(2) x ‘AA’ Battery Operated; 4-Digit LCD;
Backlit with Auto Shut-Off; IP66 Aluminium Case;
1/4″ NPT Male 316L Pressure Connection;
Ranges from -100-0 KPA Vacuum through to 0-340 BAR;
Options: Compound Ranges; Snubbers; Rubber Boot;

(Model No. Example: DPG-110)

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Dwyer 2000 Series Magnahelic Gauge

100 mm Dial; For air and compatible gases
Die Cast Aluminium Case;
Differential, Positive or Negative Pressures
Low ranges from 0-60 Pascal through to 0-30 KPA
Options: Adjustable Signal Flag; Air Filter Gage Accessory Kit and others

(Model No. Example: 2000-2KPA)

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Dwyer Capsuhelic Differential Pressure Gages

Measures Pressure,Vacuum or Differential
Sizes from 1/4″ through to 1-1/2″
Available in Brass or Stainless Steel
Operating Pressures to 16 BAR
Operating Temperatures to 200 Deg.C

(Model No. Example: FAB-10)

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Dwyer 2-5000 Minihelic Pressure Gauge

52 mm Dial; For air and compatible gases
Glass Filled Nylon Case;
Differential, Positive or Negative Pressures
Low ranges from 0-125 Pascal through to 0-3 KPA
Options: Air Filter Gauge Accessory Kit and others

(Model No. Example: 2-5000-500PA)

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Dwyer 63 mm Heavy Duty Brass Pressure Gauge

63mm Stainless Liquid Filled Case
Direct Mount; Bottom Entry; or Rear Entry
1/4″ BSP Male Brass Pressure Connection
Dial Ranges from Vacuum, 0-100 KPA up to 100,000 KPA
Options: Certificates; Gauge Savers; Syphons; Seals;

(Example Model No. SGTD05522BT) EX-STOCK !!

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Dwyer 100mm Heavy Duty Brass Pressure Gauge

100 mm Stainless Liquid Filled Case
Direct Mount; Bottom Entry; or Rear Entry
1/2″ BSP Male Brass Pressure Connection
Dial Ranges from Vacuum, 0-100 KPA up to 100,000 KPA
Options: Certificates; Gauge Savers; Syphons; Seals;

(Example Model No. SGSF0224BT) EX-STOCK !!

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Dwyer 63mm All Stainless Steel Pressure Gauge

63 mm Stainless Liquid Filled Case
Direct Mount; Bottom Entry; or Rear Entry
1/4″ BSP Male Stainless Steel Pressure Connection
Dial Ranges from Vacuum, 0-100 KPA up to 100,000 KPA
Options: Certificates; Gauge Savers; Syphons; Seals;

(Example Model No. SGDF0924B) EX-STOCK !!

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Dwyer 100mm All Stainless Steel Pressure Gauge

100 mm Stainless Liquid Filled Case
Direct Mount; Bottom Entry; or Rear Entry
1/2″ BSP Male Stainless Steel Pressure Connection
Dial Ranges from Vacuum, 0-100 KPA up to 100,000 KPA
Options: Certificates; Gauge Savers; Syphons; Seals;

(Example Model No. SGLF1024B) EX-STOCK !!

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Dwyer PPG Moulded Polypropylene Gauges

63 mm Polypropylene Liquid Filled Case
Direct Mount, Bottom Entry; All Plastic
1/4″ NPT or 1/2″ NPT Female Pressure Connection
Dial Ranges from 0-1 BAR through to 0-14 BAR
Options: PVDF version also available

(Model No. Example: PPG-D10224F)

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Dwyer Utility Pressure Gauge – Brass Connection

40, 50 & 63 mm Black Steel Case
Direct Mount; Bottom Entry; or Rear Entry
1/4″ BSP Male Brass Pressure Connection
Dial Ranges from Vacuum, 0-100 KPA up to 100,000 KPA
Dry Gauge, not liquid filled, cheap prices;

(Example Model No. UGAD0522B ) EX-STOCK !!

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Dwyer 1638 Differential Pressure Switch

for Air and Non-Combustible, compatible Gases
Large Diaphragm; Ranges from 0.05” to 12” WG
Visual Set Point Adjustment in the 5-standard ranges
S.P.D.T. 15 AMP Switch Output
Options: Weatherproof & Explosion proof Housings;

(Model No. Example: 1638-2)

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Dwyer 1950 EXD Differential Pressure Switch

for Air and Non-Combustible, compatible Gases
Large Diaphragm; Ranges from 0.03” to 20” WG
Cast Alloy IP54, NEMA 3, 7 & 9 Enclosure
S.P.D.T. 15 AMP Switch Output
Explosion-Proof Agency Approvals: CE, UL, CSA, FM

(Model No. Example: 1950-5-2F)

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PRODUCT LISTING » Dwyer Instruments

Dwyer BTT Temperature Transmitters

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Pocket Wind Meter

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Model MW-1 Pocket Wind Meter

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Portable Wind Meter

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Mark II Wind Speed Indicator

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Dwyer Visi-Float Variable Area Flowmeter

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Dwyer V4 Flotect Vane Operated Flow Switch

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Dwyer V10 Mini-Size Flow Switch

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Dwyer V6 Flotect Mini-Size Flow Switch

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Dwyer V8 Plastic Vane Type Flow Switch

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Dwyer PBLT2 Submersible Level Transmitter

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Dwyer L4 Ex Float Type Level Switch

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Dwyer Venturi Flowmeter With Magnehelic Gage

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Dwyer SFI Sight Flow Indicators

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Dwyer Flex-Tube U-Tube Manometer – Fluid Filled

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Dwyer Slack Tube U-Tube Manometer – Fluid Filled

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Dwyer Mark II Molded Plastic Manometers

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Dwyer DPG Digital Pressure Gauge

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Dwyer 2000 Series Magnahelic Gauge

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Dwyer Capsuhelic Differential Pressure Gages

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Dwyer 2-5000 Minihelic Pressure Gauge

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Dwyer 63 mm Heavy Duty Brass Pressure Gauge

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Dwyer 100mm Heavy Duty Brass Pressure Gauge

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Dwyer 63mm All Stainless Steel Pressure Gauge

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Dwyer 100mm All Stainless Steel Pressure Gauge

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Dwyer PPG Moulded Polypropylene Gauges

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Dwyer Utility Pressure Gauge – Brass Connection

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Dwyer 1638 Differential Pressure Switch

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Dwyer 1950 EXD Differential Pressure Switch

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