Existing Lesman and A-Tech customers, log in using your company email to see your qualified prices. Need help?

My Cart
Search
Advanced Search

Search results for: 'proof option'

View as Grid List

Items 1-24 of 119

Set Ascending Direction
Did you mean
proof optisond
Related search terms
proof of closure switch
options
proof
option
proof of closure
  1. ASCO 641-642-643 Series Aluminum Filter Regulators for Harsh Process Applications
    ASCO 641-642-643 Aluminum Filter Regulators for Harsh Process Applications

    Prices Start At:

    $150.76
    ASCO Valve Co | ASCO Numatics
    View Product
    Add to Wish List Add to Compare
  2. Dwyer 1950 Explosion-Proof Differential Pressure Switch
    Dwyer 1950 Explosion-Proof Differential Pressure Switch for Air and Non-Combustible Gases

    Prices Start At:

    $333.85
    Dwyer: A Dwyer Omega Brand
    View Product
    Add to Wish List Add to Compare
  3. Dwyer TTE Explosion-Proof RTD Temperature Transmitter with LCD Display
    Free Shipping
    Dwyer TTE Explosion-Proof RTD Temperature Transmitter

    Prices Start At:

    $644.80
    Dwyer: A Dwyer Omega Brand
    View Product
    Add to Wish List Add to Compare
  4. Dwyer 1950G Explosion-Proof Differential Pressure Switch for Natural Gas
    Free Shipping
    Dwyer 1950G Explosion-Proof Differential Pressure Switch for Natural Gas

    Prices Start At:

    $530.40
    Dwyer: A Dwyer Omega Brand
    View Product
    Add to Wish List Add to Compare
  5. Honeywell Analytics 705 HT High Temperature Explosion-Proof Sensor for Combustible Gases
    Free Shipping
    Honeywell Analytics 705 Explosion-Proof Sensors for Combustible Gases (0-100% LEL)

    Prices Start At:

    $788.00
    Honeywell Industrial Safety | Honeywell Analytics Fixed Gas Monitoring Instruments
    View Product
    Add to Wish List Add to Compare
  6. Dwyer HHT Hazardous Area Humidity-Temperature Transmitter with Optional Integral Display
    Free Shipping
    Dwyer HHT Hazardous Area Humidity-Temperature Transmitter

    Prices Start At:

    $1,304.15
    Dwyer: A Dwyer Omega Brand
    View Product
    Add to Wish List Add to Compare
  7. Dwyer 1800 Low Differential Pressure Switch General Industrial Service
    Dwyer 1800 Low Differential Pressure Switch for General Industrial Service

    Prices Start At:

    $109.20
    Dwyer: A Dwyer Omega Brand
    View Product
    Add to Wish List Add to Compare
  8. Dwyer L6 Flotect Liquid Level Float Switches
    Dwyer L6 Flotect Liquid Level Float Switches

    Prices Start At:

    $327.60
    Dwyer: A Dwyer Omega Brand
    View Product
    Add to Wish List Add to Compare
  9. Honeywell Analytics Sensepoint XCD Explosion-Proof Transmitter for Hazardous Gas Detection
    Free Shipping
    Honeywell Analytics Sensepoint XCD Explosion-Proof Transmitter for Hazardous Gas Detection

    Prices Start At:

    $1,388.00
    Honeywell Industrial Safety | Honeywell Analytics Fixed Gas Monitoring Instruments
    View Product
    Add to Wish List Add to Compare
  10. Panametrics XMTCpro Thermal Conductivity Binary Gas Analyzer
    Panametrics XMTCpro Thermal Conductivity Binary Gas Analyzer

    Call for Pricing

    Panametrics, a Baker Hughes Business (Division of GE)
    View Product
    Add to Wish List Add to Compare
  11. United Electric H100 SIL-Certified Pressure Switch with Threaded Process Connection, Internal Adjustment and High/Low Reference Scale (depending on model)
    UE 100 Series SIL-Certified Switches for General Service Use

    Prices Start At:

    $183.00
    UE | United Electric Controls | UE Applied Sensor Technologies | UE Precision Sensors
    View Product
    Add to Wish List Add to Compare
  12. Siemens (Milltronics) SITRANS LR110 loop-powered FMCW radar level transmitter for liquids, solids, and slurries in vessels to 49 feet
    Free Shipping
    Siemens SITRANS LR110 Mid-Range FMCW Compact Radar Level Transmitter

    Prices Start At:

    $1,112.00
    Siemens Industry Inc | Milltronics | Mass Dynamics | Process Analytics
    View Product
    Add to Wish List Add to Compare
  13. Siemens SITRANS TF320 Single Input Smart Temperature Transmitters. Left: Single chamber with local display and window. Right: Dual chamber enclosure with local display and window
    Free Shipping
    Siemens SITRANS TF320 Single Input Smart Temperature Transmitter

    Prices Start At:

    $825.00
    Siemens Industry Inc | Milltronics | Mass Dynamics | Process Analytics
    View Product
    Add to Wish List Add to Compare
  14. UE 117 Hazardous Environment Pressure Switches with Threaded Stainless Steel Pressure Connection (Models H117-188 to H117-194)
    UE 117 Series Hazardous Environment Switches

    Prices Start At:

    $411.00
    UE | United Electric Controls | UE Applied Sensor Technologies | UE Precision Sensors
    View Product
    Add to Wish List Add to Compare
  15. Siemens (Milltronics) SITRANS LR120 Long-Range FMCW Radar Level Transmitter, standard installation and with submergence shield
    Free Shipping
    Siemens SITRANS LR120 Long-Range FMCW Compact Radar Level Transmitter

    Prices Start At:

    $1,402.00
    Siemens Industry Inc | Milltronics | Mass Dynamics | Process Analytics
    View Product
    Add to Wish List Add to Compare
  16. Siemens (Milltronics) SITRANS LVS200 vibrating point level switch for dry bulk solids
    Free Shipping
    Siemens SITRANS LVS200 Vibrating Fork Point Level Switch

    Prices Start At:

    $607.00
    Siemens Industry Inc | Milltronics | Mass Dynamics | Process Analytics
    View Product
    Add to Wish List Add to Compare
  17. Siemens (Milltronics) SITRANS LVS100 vibrating point level switch for dry bulk solids
    Siemens SITRANS LVS100 Vibrating Fork Point Level Switch for Bulk Solids

    Prices Start At:

    $427.00
    Siemens Industry Inc | Milltronics | Mass Dynamics | Process Analytics
    View Product
    Add to Wish List Add to Compare
  18. Dwyer V4 Series Flotect Vane-Operated Flow Switch - Brass
    Free Shipping
    Dwyer V4 Series Flotect Vane-Operated Flow Switch

    Prices Start At:

    $707.20
    Dwyer: A Dwyer Omega Brand
    View Product
    Add to Wish List Add to Compare
  19. Siemens (Milltronics) Pointek CLS200 capacitance point level switch, standard cable version with SPDT and solid state alarm outputs.
    Free Shipping
    Siemens Pointek CLS200 Flexible Cable Probe Capacitance Point Level Switch

    Prices Start At:

    $686.00
    Siemens Industry Inc | Milltronics | Mass Dynamics | Process Analytics
    View Product
    Add to Wish List Add to Compare
  20. Siemens SITRANS TF420 Single or Dual Input Smart Temperature Transmitters. Left: TF420 transmitter with single chamber enclosure and local interface with window. Right: TF420 transmitter with dual chamber enclosure, local interface with window.
    Free Shipping
    Siemens SITRANS TF420 Single or Dual Input Smart Temperature Transmitter

    Prices Start At:

    $1,161.00
    Siemens Industry Inc | Milltronics | Mass Dynamics | Process Analytics
    View Product
    Add to Wish List Add to Compare
  21. Dwyer Mark 1 Series Aluminum Valve Position Indicator
    Dwyer Mark Series Valve Position Indicator

    Prices Start At:

    $274.30
    Dwyer: A Dwyer Omega Brand
    View Product
    Add to Wish List Add to Compare
  22. Dwyer Mercoid DA Snap Action Bourdon Tube Pressure Switch
    Free Shipping
    Dwyer Mercoid DA Snap Action Bourdon Tube Pressure Switches

    Prices Start At:

    $903.75
    Dwyer: A Dwyer Omega Brand
    View Product
    Add to Wish List Add to Compare
  23. J M Canty Process Vessel Cameras
    J M Canty Process Vessel Cameras

    Call for Pricing

    J M Canty
    View Product
    Add to Wish List Add to Compare
  24. Siemens SITRANS LR150 Mid-Range FMCW Radar Level Transmitter
    Free Shipping
    Siemens SITRANS LR150 Mid-Range FMCW Compact Radar Level Transmitter

    Prices Start At:

    $1,110.00
    Siemens Industry Inc | Milltronics | Mass Dynamics | Process Analytics
    View Product
    Add to Wish List Add to Compare
Page
per page
Shop By
Shopping Options
Category
  1. Products By Type 116item
  2. Training Center 20item
Manufacturer
  1. A-T Controls (Triac) 2item
  2. ASCO 2item
  3. Aquametrix by Water Analytics 4item
  4. Banner Engineering 1 item
  5. DeZurik | APCO | Hilton 1 item
  6. Dwyer 16item
  7. Great Plains Industries (Flomec) 1 item
  8. Fireye 3item
  9. Honeywell Kromschroder 3item
  10. Honeywell Maxon 1 item
  11. Honeywell Process 13item
  12. Honeywell RAE Systems 2item
  13. Honeywell Industrial Safety 7item
  14. Honeywell Thermal 5item
  15. Jacoby-Tarbox 1 item
  16. Jerguson 1 item
  17. J M Canty 1 item
  18. Kestrel 1 item
  19. Panametrics 7item
  20. Siemens Industry 22item
  21. Sierra Instruments 1 item
  22. TSI Quest 1 item
  23. Thermal Instrument Co 1 item
  24. TopWorx 1 item
  25. United Electric Controls 11item
  26. VAC 1 item
Cutout Size
  1. 1/4 DIN 1 item
  2. Full DIN 3item
  3. Other 1 item
Digits
  1. 5 1 item
Display Variable
  1. Level 1 item
  2. Pressure 1 item
  3. Temperature 1 item
Flow Technology
  1. Oval Gear 1 item
  2. Thermal Dispersion 1 item
  3. Ultrasonic 6item
  4. Vane 2item
  5. Vortex Mass Flow 1 item
Level Media
  1. Liquid 15item
  2. Slurry 10item
  3. Interface 5item
  4. Dry Solid 10item
Level Technology
  1. Capacitance 4item
  2. Hydrostatic Pressure 1 item
  3. Magnetic Float 1 item
  4. Paddle 1 item
  5. Radar 8item
  6. Servo Gauge 1 item
  7. Vibrating Fork 2item
Point or Continuous Level
  1. Point 7item
  2. Continuous 11item
Operation
  1. Normally Open 1 item
  2. Normally Closed 2item
Valve Function
  1. Combustion Fuel Gas 1 item
  2. Safety Shutoff 2item
  3. Vent Valve 2item
Flame Detector Type
  1. Ultraviolet 2item
Gas Detector Use
  1. Fixed 1 item
  2. Wearable 1 item
Pipe Size
  1. 3/8 Inch 1 item
  2. 1/2 Inch 1 item
  3. 3/4 Inch 1 item
  4. 1 Inch 1 item
  5. 1-1/4 Inch 1 item
  6. 1-1/2 Inch 1 item
  7. 2 Inch 1 item
  8. 2-1/2 Inch 1 item
  9. 3 Inch 1 item
Solenoid Valve Type
  1. Two Way 1 item
Body Material
  1. Aluminum 1 item
Adjustment
  1. External Adjustment 8item
  2. Screwdriver Adjustment 4item
  3. Internal Adjustment 5item
  4. Hex Adjustment 1 item
  5. Reference Scale/Dial 4item
Enclosure/Construction
  1. Skeleton (Open Frame) Construction 2item
  2. IP54 2item
  3. NEMA 1 5item
  4. NEMA 4 6item
  5. NEMA 4X 6item
  6. NEMA 7 4item
  7. NEMA 9 4item
  8. Div 1 Hazardous 6item
  9. Div 1 Zone 1 Hazardous 1 item
  10. Div 2 Hazardous 5item
Switch Output
  1. SPST 1 item
  2. SPDT 18item
  3. DPDT 5item
  4. Dual SPDT 3item
  5. MOSFET/SSR 1 item
  6. 4-20 mA 1 item
  7. HART 1 item
Measured Variable
  1. Differential Pressure 10item
  2. Gauge Pressure 9item
  3. Vacuum/Compound Pressure 6item
  4. Temperature 6item
  5. Flow 2item
Compare Products
  1. Remove This Item
Compare
Clear All
You have no items to compare.
My Wish List
Last Added Items
  1. Add to Cart
    Remove This Item
Go to Wish List
You have no items in your wish list.
Copyright 1995-2023 © Lesman Instrument Company