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Search results for: 'frequency to 4 20ma converter'

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converter 220 volt down to 110 volt 200 watt
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  1. MISECU Wireless 4CH CCTV System Wifi NVR Kit IP Camera Audio Record Outdoor Indoor VandalProof Dome
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    MISECU Wireless 4CH CCTV System Wifi NVR Kit IP Ca... SKU : 32863830658
    Special Price US$101.20 Regular Price US$112.45
  2. 4MP 2592X1520 IP Speed Dome Network PTZ Module X18 Optical Zoom 4.7-84.6mm lens RS485 / RS232
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    4MP 2592X1520 IP Speed Dome Network PTZ Module X... SKU : 32763815585
    Special Price US$171.77 Regular Price US$190.86
  3. 4MP 2592X1520 IP PTZ Camera Module X18 Optical Zoom 4.7-84.6mm lens RS485 / RS232 Support PELCO-D/P
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    4MP 2592X1520 IP PTZ Camera Module X18 Optical Zo... SKU : 32724092764
    Special Price US$136.55 Regular Price US$151.73
  4. 1080P Wireless Security Camera System 4CH NVR 4pcs Home Indoor Outdoor WiFi IP Cameras Surveillance
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    1080P Wireless Security Camera System 4CH NVR 4pcs... SKU : 32968759749
    Special Price US$85.64 Regular Price US$95.15
    Out of stock
  5. GADINAN FULL HD CCTV NVR 32CH 1080P ONVIF HI3535 Surveillance Recorder 16CH 4MP NVR Motion Detect FT
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    GADINAN FULL HD CCTV NVR 32CH 1080P ONVIF HI3535 S... SKU : 32781597873
    Special Price US$97.87 Regular Price US$108.74
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  6. GADINAN H.265/H.264 32CH*4MP/24CH*5MP CCTV NVR Two-way Audio Security Network Recorder IP P2P NVR ON
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    GADINAN H.265/H.264 32CH*4MP/24CH*5MP CCTV NVR Two... SKU : 32778073893
    Special Price US$261.48 Regular Price US$290.53
    Out of stock
  7. AZISHN 48V POE 4CH 5MP/4MP H.265 H.264 POE NVR DVR CCTV System ONVIF Real Time Network Hi3798M for
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    AZISHN 48V POE 4CH 5MP/4MP H.265 H.264 POE NVR DVR... SKU : N7604POE
    Special Price US$23.08 Regular Price US$25.64
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  8. 1080P Outdoor CCTV WiFi Camera Wireless CCTV System Security Camera 4CH NVR IP IR-CUT IP Security Sy
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    1080P Outdoor CCTV WiFi Camera Wireless CCTV Syste... SKU : 32967575937
    Special Price US$85.64 Regular Price US$95.15
  9. 4 Inch Mini Speed IR Camera(CSJ-H4RL-E 480TVL)
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    4 Inch Mini Speed IR Camera(CSJ-H4RL-E 480TVL) SKU : CSJ-H4RL-E480TVL
    Special Price US$94.20 Regular Price US$104.67
  10. 4 Inch Mini Speed IR Camera(CSJ-H4RL-E 480TVL)
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    4 Inch Mini Speed IR Camera(CSJ-H4RL-E 480TVL) SKU : CSJ-H4RL-E480TVL-1
    Special Price US$93.34 Regular Price US$103.71
  11. Intelligent IR Speed PTZ Dome Camera(CSJ-M6RB-E 480TVL)
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    Intelligent IR Speed PTZ Dome Camera(CSJ-M6RB-E 48... SKU : CSJ-M6RB-E480TVL
    Special Price US$116.67 Regular Price US$129.63
  12. 4CH Full-HD 1080P 15V POE NVR 4pcs 720P 960P 1080P Bullte 12V POE Camera POE NVR Kit Home Security IP Camera System
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    4CH Full-HD 1080P 15V POE NVR 4pcs 720P 960P 1080P... SKU : AL4NVR1080POE
    Special Price US$181.01 Regular Price US$201.12
  13. 4 Channel Standard 48V POE 1080P NVR H.264 HDMI ONVIF FULL HD 4CH PoE NVR Built in POE RJ45 Port Surveillance DVR
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    4 Channel Standard 48V POE 1080P NVR H.264 HDMI ON... SKU : GDN7904FN
    Special Price US$62.82 Regular Price US$69.80
  14. CCTV Network NVR System 4CH FULL HD 1080P NVR And 4PCS 720P Megapixel Outdoor IP Camera Smart Home Kit Security ONVIF
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    CCTV Network NVR System 4CH FULL HD 1080P NVR And ... SKU : GD1080NVR4IP720
    Special Price US$79.89 Regular Price US$88.77
  15. HD 1080P 3G 4G WIFI CCTV Camera SIM Card Speed Dome Wireless PTZ IP Camera Wi-Fi Outdoor 4X Optical
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    HD 1080P 3G 4G WIFI CCTV Camera SIM Card Speed Dom... SKU : 32973603873
    Special Price US$32.82 Regular Price US$36.47
    Out of stock
  16. HD 4G SIM Card Camera WIFI 1080P PTZ Speed Dome Cam Wireless Outdoor 5X Optical Zoom SD Card IR P2P
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    HD 4G SIM Card Camera WIFI 1080P PTZ Speed Dome Ca... SKU : 32849918799
    Special Price US$100.01 Regular Price US$111.12
  17. CCTV Pan-tilt Unit with Bracket Electrical Rotator Outdoor For Security Camera 255 degree Remote Control
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    CCTV Pan-tilt Unit with Bracket Electrical Rotator... SKU : YZ100R
    Special Price US$6.97 Regular Price US$7.74
  18. Hot sale K700S 7inch CCTV TESTER Support PELCO-P, PELCO-D, SAMSUNG etc 30 kinds of PTZ control proto
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    Hot sale K700S 7inch CCTV TESTER Support PELCO-P, ... SKU : 32816865972
    Special Price US$195.81 Regular Price US$217.56
    Out of stock
  19. 3CH Relay Poe IP Video Doorbell Camera for Access Control
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    3CH Relay Poe IP Video Doorbell Camera for Access ... SKU : WCAM101119340550
    Special Price US$116.67 Regular Price US$129.64
  20. SANNCE 8CH CCTV Camera System AHD CCTV DVR 8PCS 1MP IR Outdoor Security Camera 720P 1200 TVL Camera
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    SANNCE 8CH CCTV Camera System AHD CCTV DVR 8PCS 1M... SKU : 32922814935
    Special Price US$206.55 Regular Price US$229.51
    Out of stock
  21. Wireless SIP Video Door Phone IP Indoor Monitor
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    Wireless SIP Video Door Phone IP Indoor Monitor SKU : WCAM101119340573
    Special Price US$102.84 Regular Price US$114.27
  22. ZILNK IP Camera 1080P PTZ 5X Zoom Wireless WIFI Outdoor Camera Security Surveillance CCTV Onvif P2P
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    ZILNK IP Camera 1080P PTZ 5X Zoom Wireless WIFI Ou... SKU : 32970088435
    Special Price US$113.22 Regular Price US$125.80
    Out of stock
  23. 1080P 60fps 30X Optical Zoom Visca & Pelco-D/P HDMI and SDI Output HD IP POE PTZ Video Conference
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    1080P 60fps 30X Optical Zoom Visca & Pelco-D/P... SKU : 32963024208
    Special Price US$1,698.13 Regular Price US$1,886.81
  24. 2MP 1080P60/50 PTZ IP Streaming Onvif POE Camera Visca Pelco 20X Optical Zoom Tripod with Simultaneo
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    2MP 1080P60/50 PTZ IP Streaming Onvif POE Camera V... SKU : 32885114345
    Special Price US$705.05 Regular Price US$783.39
  25. Yobang Security Solar Powered 1080P HD Rechargeable IP Cameras WIFI Waterproof Surveillance System H
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    Yobang Security Solar Powered 1080P HD Rechargeabl... SKU : 32901323768
    Special Price US$85.13 Regular Price US$94.59
  26. Indoor 4G spy network camera (SM-NC128FG)
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    Indoor 4G spy network camera (SM-NC128FG) SKU : SM-NC128FG
    Special Price US$226.09 Regular Price US$251.21
  27. 5MP ptz camera video surveillance 10X optical zoom 2MP IP Camera outdoor mini ip camera high/mid
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    5MP ptz camera video surveillance 10X optical zoom... SKU : 32973118021
    Special Price US$58.06 Regular Price US$64.51
  28. 5MP PTZ IP Dome Camera Outdoor 4x Zoom Video Surveillance CCTV Camera PTZ IR Night Vision P2P POE
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    5MP PTZ IP Dome Camera Outdoor 4x Zoom Video Surve... SKU : 32906666202
    Special Price US$70.40 Regular Price US$78.22
  29. Wireless PTZ High Speed Dome IP Camera WIFI 4X Zoom Waterproof 960P Home Security Video Surveillance
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    Wireless PTZ High Speed Dome IP Camera WIFI 4X Zoo... SKU : 32971462982
    Special Price US$143.59 Regular Price US$159.55
  30. 30X Optical Zoom 4K HD Ultra IP PTZ Camera Onvif 8MP Night vision 100M Security Surveillance
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    30X Optical Zoom 4K HD Ultra IP PTZ Camera Onvif 8... SKU : 32876219716
    Special Price US$1,810.25 Regular Price US$2,011.39
    Out of stock
  31. Ultra HD H.265 8MP IR 100M IP Camera 4K PTZ Heavy Duty 30x Auto Zoom Starlight Motion detection onvi
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    Ultra HD H.265 8MP IR 100M IP Camera 4K PTZ Heavy ... SKU : 32874946350
    Special Price US$275.79 Regular Price US$306.43
  32. Mini Coaxial CCTV Keyboard Controller LCD 1.5km Joystick RS485 PTZ Speed Dome Camera Bracket For Pel
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    Mini Coaxial CCTV Keyboard Controller LCD 1.5km Jo... SKU : BB2X
    Special Price US$29.03 Regular Price US$32.25
    Out of stock
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