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We offer over 8000+ total Dwyer products, including accessories, air velocity transmitters, bin vibrators, CO2/Temp (Duct) sensors, and more. Shop now!
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![Dwyer 16C-3 1/16 DIN temperature controller | relay output. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/16c_600x600_d908a33a-cdb2-4192-935a-3851ceeb0793_medium.gif?v=1719997631)
16C-3 | 1 / 16 DIN temperature controller | relay output. | Dwyer
Brand: Dwyer
SKU: 16C-3
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![Dwyer GSTA-C Carbon Monoxide Transmitter with universal current/voltage outputs | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/gsta_new_600x600_6396706f-b4c5-4bf0-9e90-6030bcef31fe_medium.gif?v=1719999113)
GSTA-C | Carbon Monoxide Transmitter with universal current / voltage outputs | Dwyer
Brand: Dwyer
SKU: GSTA-C
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![Dwyer P2-11 Flow switch for liquids | actuation set point .05 GPM (.19 LPM). | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/p2_600x600_b903f8cd-7e44-4b2e-99a1-31ba19c3c37d_medium.gif?v=1719999490)
P2-11 | Flow switch for liquids | actuation set point .05 GPM (.19 LPM). | Dwyer
Brand: Dwyer
SKU: P2-11
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![Dwyer TS-13020 Digital temperature switch | 230 V | 16 A | °F display. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/ts_1000x1000_f0523494-bf4a-441e-937f-d91da0941a8a_medium.jpg?v=1720000003)
TS-13020 | Digital temperature switch | 230 V | 16 A | °F display. | Dwyer
Brand: Dwyer
SKU: TS-13020
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![Dwyer O-4A Outside air temperature sensor | 10K Ohm thermistor | Type III. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/o_4_medium.jpg?v=1719999371)
O-4A | Outside air temperature sensor | 10K Ohm thermistor | Type III. | Dwyer
Brand: Dwyer
SKU: O-4A
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![Dwyer 16C-5 1/16 DIN temperature controller | current output. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/16c_600x600_1539c179-6fd3-469b-bde4-e727c706a657_medium.gif?v=1719997597)
16C-5 | 1 / 16 DIN temperature controller | current output. | Dwyer
Brand: Dwyer
SKU: 16C-5
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![Dwyer DHC-008 Differential pressure controller | range 5.0 in w.c. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/digihelic_front_inwc_1000x1000_5af7e7a4-6e79-4e09-a354-d7a2baac0f3b_medium.jpg?v=1719998789)
DHC-008 | Differential pressure controller | range 5.0 in w.c. | Dwyer
Brand: Dwyer
SKU: DHC-008
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![Dwyer A-481 Installer kit | (includes 2 static pressure tips and PVC tubing). | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/staticpressuretips_family_1000x1000_bdd56fbf-7f68-4789-ac67-8ffbfbb5ecfe_medium.jpg?v=1719998304)
A-481 | Installer kit | (includes 2 static pressure tips and PVC tubing). | Dwyer
Brand: Dwyer
SKU: A-481
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![Dwyer MPCJR-RC Series MPC Jr. pump controller with retransmission of input | 4 to 20 mA | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/mpcjr_b26dd5ce-2f7f-4f1d-a6e3-fe367583eb59_medium.jpg?v=1719999318)
MPCJR-RC | Series MPC Jr. pump controller with retransmission of input | 4 to 20 mA | Dwyer
Brand: Dwyer
SKU: MPCJR-RC
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![Dwyer WMT2-A-C-03-1 3/4" brass multi-jet water meter (GPM) | with pulse output | 1 Gal/pulse. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/wm2_1000x1000_9e6456e6-58fe-4f9b-bd7f-6dc40c1f3f55_medium.gif?v=1720000207)
WMT2-A-C-03-1 | 3 / 4" brass multi-jet water meter (GPM) | with pulse output | 1 Gal / pulse. | Dwyer
Brand: Dwyer
SKU: WMT2-A-C-03-1
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![Dwyer GSTC-N Nitrogen Dioxide Transmitter with BACnet & Modbus Communication | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/gstc_n_lcd_front_1000x1000_b2ae6042-1115-4887-87c8-944ade48ccf9_medium.gif?v=1719999104)
GSTC-N | Nitrogen Dioxide Transmitter with BACnet & Modbus Communication | Dwyer
Brand: Dwyer
SKU: GSTC-N
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![Dwyer GSTA-N Nitrogen Dioxide Transmitter with universal current/voltage outputs | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/gsta_new_600x600_4ceb2583-2251-451b-aa91-8d69cda42b55_medium.gif?v=1719999124)
GSTA-N | Nitrogen Dioxide Transmitter with universal current / voltage outputs | Dwyer
Brand: Dwyer
SKU: GSTA-N
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MX1B | Moisture | Battery | Veris
Brand: Veris
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PX3DLX02 | Pressure | Dry | Duct | LCD | 0-10 In WC | Veris
Brand: Veris
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H971 | Current Sensor | DC | Split | 0-200A | Pulse Reset | Bi-Directional | Veris
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SKU: H971![Siemens SAS61.33U MT Series SAS Electronic Valve Act, SR, 24V, 0-10V / 4-20 mA Proport Control | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/SAS61.33U_78a9114f-bcb0-4494-9269-0c4c103614c9_large.jpg?v=1720023835)
SAS61.33U | MT Series SAS Electronic Valve Act, SR, 24V, 0-10V / 4-20 mA Proport Control | Siemens
Brand: Siemens
SKU: SAS61.33U