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Gas Leak Detector 0-50000PPM 100%LEL Combustible Gas Leak Tester Portable Gas Analyzer Natural Gas Sniffer 1PPM / 1%LEL with Colorful LCD Display Audible & Visual Alarm for Home Factory Hotel

Gas Leak Detector 0-50000PPM 100%LEL Combustible Gas Leak Tester Portable Gas Analyzer Natural Gas Sniffer 1PPM / 1%LEL with Colorful LCD Display Audible & Visual Alarm for Home Factory Hotel

4.5
$ 399.00
RTL-SDR Blog V4 RTL2832 1PPM TCXO HF BiasT SMA Software Defined Radio + Antennas (Dongle Only)

RTL-SDR Blog V4 RTL2832 1PPM TCXO HF BiasT SMA Software Defined Radio + Antennas (Dongle Only)

4.0
FREE
Konvio Neer Digital TDS&EC Water and Temperature Meter, Purity Tester, 1ppm Resolution, 0-9990 ppm with Automatic Calibration Pen Type Water Quality Tester to test PH of Drinking Water

Konvio Neer Digital TDS&EC Water and Temperature Meter, Purity Tester, 1ppm Resolution, 0-9990 ppm with Automatic Calibration Pen Type Water Quality Tester to test PH of Drinking Water

4.0
$ 56.00
V3 R860 RTL2832U 1PPM TCXO SMA Software Defined Radio (Dongle Only) (Black)

V3 R860 RTL2832U 1PPM TCXO SMA Software Defined Radio (Dongle Only) (Black)

4.6
$ 122.00
Portable Ammonia Gas Detector, USB Rechargeable NH3 Gas Monitor with Audible & Visual Alarm, Ammonia Meter Range 0-100ppm with 0.1ppm Resolution for Farm, Pig & Livestock(INFURIDER YF-5800G)

Portable Ammonia Gas Detector, USB Rechargeable NH3 Gas Monitor with Audible & Visual Alarm, Ammonia Meter Range 0-100ppm with 0.1ppm Resolution for Farm, Pig & Livestock(INFURIDER YF-5800G)

$ 1,189.00
Sewer Gas Leak Detector by Forensics | 0-10,000ppm & 1ppm Resolution | Water, Dust & Explosion Proof | Li-Ion Battery | Natural Gas, Methane, Ammonia, Hydrogen Sulfide

Sewer Gas Leak Detector by Forensics | 0-10,000ppm & 1ppm Resolution | Water, Dust & Explosion Proof | Li-Ion Battery | Natural Gas, Methane, Ammonia, Hydrogen Sulfide

3.8
$ 359.00
RTL-SDR Blog V3 RTL2832U 1PPM TCXO HF BiasT SMA Software Defined Radio R820T2 H3

RTL-SDR Blog V3 RTL2832U 1PPM TCXO HF BiasT SMA Software Defined Radio R820T2 H3

$ 56.66
HOLDPEAK Ammonia Gas Meter Detector, NH3 Gas Monitor Sensor with Range 0-100 ppm & 0.1ppm Resolution, Portable Air Quality Detector Meter for Farm, Poultry, Pig & Livestock怐USB Recharge怑

HOLDPEAK Ammonia Gas Meter Detector, NH3 Gas Monitor Sensor with Range 0-100 ppm & 0.1ppm Resolution, Portable Air Quality Detector Meter for Farm, Poultry, Pig & Livestock怐USB Recharge怑

4.0
$ 579.00
HOLDPEAK Ammonia Gas Meter Detector, NH3 Gas Monitor Sensor with Range 0-100 ppm & 0.1ppm Resolution, Portable Air Quality Detector Meter for Farm, Poultry, Pig & Livestock怐USB Recharge怑

HOLDPEAK Ammonia Gas Meter Detector, NH3 Gas Monitor Sensor with Range 0-100 ppm & 0.1ppm Resolution, Portable Air Quality Detector Meter for Farm, Poultry, Pig & Livestock怐USB Recharge怑

3.9
$ 694.00
OCEAN STAR TECHNOLOGIES Digital 3-In-1 Water Tds Ec And Temperature Meter - Purity Tester With Atc Function, 1Ppm Resolution, 0-9990 Ppm Measurement Range (Black)

OCEAN STAR TECHNOLOGIES Digital 3-In-1 Water Tds Ec And Temperature Meter - Purity Tester With Atc Function, 1Ppm Resolution, 0-9990 Ppm Measurement Range (Black)

4.2
$ 19.00
RTL-SDR Blog V4 R828D RTL2832U 1PPM TCXO SMA Software Defined Radio (Dongle Only)

RTL-SDR Blog V4 R828D RTL2832U 1PPM TCXO SMA Software Defined Radio (Dongle Only)

4.5
$ 170.00
Shapure Digital Water TDS EC and Temperature (3 in 1) Meter, Purity Tester, ATC Function, 1ppm Resolution, 0-9990 ppm

Shapure Digital Water TDS EC and Temperature (3 in 1) Meter, Purity Tester, ATC Function, 1ppm Resolution, 0-9990 ppm

3.8
$ 24.00
Handheld Portable Carbon Monoxide Meter, Portable CO Gas Leak Detector, Gas Monitor Tester 0ļ½ž1000ppm, 1PPM Resolution(No Battery Included)

Handheld Portable Carbon Monoxide Meter, Portable CO Gas Leak Detector, Gas Monitor Tester 0ļ½ž1000ppm, 1PPM Resolution(No Battery Included)

3.9
$ 24.94
Helium Gas Analyzer | Scuba and Leak Detection | 0-100% | 0.1ppm Resolution | USA NIST Calibration | Built-in Pump & Probe |

Helium Gas Analyzer | Scuba and Leak Detection | 0-100% | 0.1ppm Resolution | USA NIST Calibration | Built-in Pump & Probe |

5.0
$ 2,989.00
Aqtus Water TDS EC and Temperature (3 in 1) Meter, Purity Tester, ATC Function, 1ppm Resolution, 0-9990 ppm

Aqtus Water TDS EC and Temperature (3 in 1) Meter, Purity Tester, ATC Function, 1ppm Resolution, 0-9990 ppm

4.6
$ 25.00
Basic Ammonia NH3 Detector, Meter and Analyzer by FORENSICS | 0-1000ppm with 1ppm resolution & Ā±3ppm accuracy | Business & Industrial Use | Soft Touch Rubber Grip | Large Display & Backlight |

Basic Ammonia NH3 Detector, Meter and Analyzer by FORENSICS | 0-1000ppm with 1ppm resolution & Ā±3ppm accuracy | Business & Industrial Use | Soft Touch Rubber Grip | Large Display & Backlight |

$ 419.88
V4 R828D RTL2832U 1PPM TCXO SMA Software Defined Radio (Dongle Only)

V4 R828D RTL2832U 1PPM TCXO SMA Software Defined Radio (Dongle Only)

4.6
$ 122.00
RTL-SDR Dongle, RTL-SDR Blog V3 RTL2832U 1PPM TCXO HF BiasT SMA Software Defined Radio, Single Bias Attachment For RTL Model Software Defined Radio Receivers

RTL-SDR Dongle, RTL-SDR Blog V3 RTL2832U 1PPM TCXO HF BiasT SMA Software Defined Radio, Single Bias Attachment For RTL Model Software Defined Radio Receivers

$ 291.00
Chlorine Standard,1PPM

Chlorine Standard,1PPM

$ 359.00
RTL-SDR Blog V3 R860 RTL2832U 1PPM TCXO SMA Software Defined Radio (Dongle Only) (Black)

RTL-SDR Blog V3 R860 RTL2832U 1PPM TCXO SMA Software Defined Radio (Dongle Only) (Black)

4.5
$ 162.00
XUNTOP Gas Leak Detector 0-50000PPM 100%LEL Combustible Gas Leak Tester Portable Gas Analyzer Natural Gas Sniffer 1PPM / 1%LEL with Colorful LCD Display Audible & Visual Alarm for Home Factory Hotel

XUNTOP Gas Leak Detector 0-50000PPM 100%LEL Combustible Gas Leak Tester Portable Gas Analyzer Natural Gas Sniffer 1PPM / 1%LEL with Colorful LCD Display Audible & Visual Alarm for Home Factory Hotel

4.4
$ 295.00
Basic Ammonia Meter by Forensics | 0-100ppm with 1ppm Resolution | Farm, Poultry, Pig & Livestock | Soft Touch Rubber Grip | Large Display & Backlight | Mode: FD-NH3000 | Yellow

Basic Ammonia Meter by Forensics | 0-100ppm with 1ppm Resolution | Farm, Poultry, Pig & Livestock | Soft Touch Rubber Grip | Large Display & Backlight | Mode: FD-NH3000 | Yellow

3.9
$ 814.00
RTL-SDR Blog V4 RTL2832 1PPM TCXO HF BiasT SMA Software Defined Radio + Antennas

RTL-SDR Blog V4 RTL2832 1PPM TCXO HF BiasT SMA Software Defined Radio + Antennas

$ 396.00
AMPEREUS (3 in 1) Digital Water TDS EC and Temperature Meter, ATC Function, 1ppm Resolution, 0-9990 ppm - White

AMPEREUS (3 in 1) Digital Water TDS EC and Temperature Meter, ATC Function, 1ppm Resolution, 0-9990 ppm - White

4.0
$ 24.00
CSI INTERNATIONAL Digital TDS&EC Water and Temperature Meter - Purity Tester with 1ppm Resolution - Automatic Calibration - Pen Type Water Quality Tester for pH Testing of Drinking Water

CSI INTERNATIONAL Digital TDS&EC Water and Temperature Meter - Purity Tester with 1ppm Resolution - Automatic Calibration - Pen Type Water Quality Tester for pH Testing of Drinking Water

3.9
$ 78.00
for RTL SDR V3 0.1Mhz-1.7Ghz Rtl-Sdr V3 Rtl2832U 1Ppm Tcxo Hf Biast Software Defined Radio (Dongle Only)

for RTL SDR V3 0.1Mhz-1.7Ghz Rtl-Sdr V3 Rtl2832U 1Ppm Tcxo Hf Biast Software Defined Radio (Dongle Only)

$ 44.99
Hydrogen Gas Analyzer by Forensics | USA NIST Calibration |Range: 0-1000ppm | Resolution: 1ppm | Built-in Pump & 4ft Probe |

Hydrogen Gas Analyzer by Forensics | USA NIST Calibration |Range: 0-1000ppm | Resolution: 1ppm | Built-in Pump & 4ft Probe |

FREE
Crystal Oscillator Frequency Module, Clock Crystal Oscillator Board Module 10M 0.1ppm Accuracy Front for Aluminium Housing,Electronic Components

Crystal Oscillator Frequency Module, Clock Crystal Oscillator Board Module 10M 0.1ppm Accuracy Front for Aluminium Housing,Electronic Components

$ 91.00
Ammonia Gas Meter Detector, NH3 Gas Monitor Sensor Range 0-100ppm, Resolution 0.1ppm with Temperature(ā„‰/ā„ƒ), Humidity, Backlight Display, Dual Alarm for Poultry, Farm, Home GC-535G

Ammonia Gas Meter Detector, NH3 Gas Monitor Sensor Range 0-100ppm, Resolution 0.1ppm with Temperature(ā„‰/ā„ƒ), Humidity, Backlight Display, Dual Alarm for Poultry, Farm, Home GC-535G

$ 854.00
Ammonia Gas Meter Detector, NH3 Gas Monitor Sensor with Range 0-100 ppm & 0.1ppm Resolution, Portable Air Quality Detector Meter for Farm, Poultry, Pig & Livestock GR-5800G

Ammonia Gas Meter Detector, NH3 Gas Monitor Sensor with Range 0-100 ppm & 0.1ppm Resolution, Portable Air Quality Detector Meter for Farm, Poultry, Pig & Livestock GR-5800G

$ 684.00
At-A-Glance PM22817 Monthly Wall Calendar,Jan-Dec, 12"x17-1/8",1PPM,White

At-A-Glance PM22817 Monthly Wall Calendar,Jan-Dec, 12"x17-1/8",1PPM,White

$ 23.55
ATO Portable Hydrogen (H2) Gas Detector, 0 to 2000 ppm Gas Leak Detector Real-time LCD Display High Precision H2 Measuring Range 1ppm Resolution (0-2000ppm)

ATO Portable Hydrogen (H2) Gas Detector, 0 to 2000 ppm Gas Leak Detector Real-time LCD Display High Precision H2 Measuring Range 1ppm Resolution (0-2000ppm)

$ 981.24
Mini 10M 0.1ppm Module with Crystal Oscillator for Aluminium Housing

Mini 10M 0.1ppm Module with Crystal Oscillator for Aluminium Housing

$ 29.00
Ammonia Gas Detector, AP-5800G Rechargeable Ammonia Gas Monitor, 0~100 PPM NH3 Monitor & 0.1ppm Resolution with Temperature(ā„‰/ā„ƒ), Humidity for Poultry, Farm, Home

Ammonia Gas Detector, AP-5800G Rechargeable Ammonia Gas Monitor, 0~100 PPM NH3 Monitor & 0.1ppm Resolution with Temperature(ā„‰/ā„ƒ), Humidity for Poultry, Farm, Home

3.3
$ 15.00
Ammonia Gas Detector, GC-5800G NH3 Gas Monitor Sensor with Range 0-100ppm & 0.1ppm Resolution, Temperature(ā„‰/ā„ƒ), Humidity, LCD Display, Double Alarm, Tripod Hole for Farm, Poultry, Pig & Livestock

Ammonia Gas Detector, GC-5800G NH3 Gas Monitor Sensor with Range 0-100ppm & 0.1ppm Resolution, Temperature(ā„‰/ā„ƒ), Humidity, LCD Display, Double Alarm, Tripod Hole for Farm, Poultry, Pig & Livestock

4.5
$ 249.99
Gemstone Oscillator Module Clock 10M 0.1ppm Accuracy for Aluminium Housing, GPS Applications, and HighAccuracy Clock Scenarios, Featuring Small Body, Reasonable Structure,

Gemstone Oscillator Module Clock 10M 0.1ppm Accuracy for Aluminium Housing, GPS Applications, and HighAccuracy Clock Scenarios, Featuring Small Body, Reasonable Structure,

$ 14.49
Ammonia Analyzer by Forensics | USA NIST Traceable Calibration | NH3 Monitor | Computer Data Logging | Built-in Pump & 4ft Probe | 0.1ppm Resolution |

Ammonia Analyzer by Forensics | USA NIST Traceable Calibration | NH3 Monitor | Computer Data Logging | Built-in Pump & 4ft Probe | 0.1ppm Resolution |

$ 617.50
At-A-Glance AAGHT1500 Monthly Planner Calendar- Executive Series- 1PPM- 17in.x22in.

At-A-Glance AAGHT1500 Monthly Planner Calendar- Executive Series- 1PPM- 17in.x22in.

$ 31.88
Ammonia Gas Detector Portable NH3 Concentration Tester 0-100PPM with 0.1PPM Resolution Air Quality Humidity Temp. Reader with Acoustic Optical Double Alarm, Large Display Backlight for Farms/Chemicals

Ammonia Gas Detector Portable NH3 Concentration Tester 0-100PPM with 0.1PPM Resolution Air Quality Humidity Temp. Reader with Acoustic Optical Double Alarm, Large Display Backlight for Farms/Chemicals

4.5
$ 244.99
Argon Gas Analyzer | USA NIST Calibration | Built-in Pump & Probe | 0-100% with 0.1ppm Resolution | Leak Tester & Purity |

Argon Gas Analyzer | USA NIST Calibration | Built-in Pump & Probe | 0-100% with 0.1ppm Resolution | Leak Tester & Purity |

$ 3,389.00
0.1PPM-28.8MHZ 1Pcs Brand New 0.1PPM-28.8MHZ

0.1PPM-28.8MHZ 1Pcs Brand New 0.1PPM-28.8MHZ

$ 29.61
Ammonia Air Detector 5800G Monitor NH3 Gas Level w/Alert, Kethvoz Amoniaco Medidor Detect Ammonia 0~100 PPM with 0.1ppm Resolution, Test Temperature & Humility for Poultry Livestock House

Ammonia Air Detector 5800G Monitor NH3 Gas Level w/Alert, Kethvoz Amoniaco Medidor Detect Ammonia 0~100 PPM with 0.1ppm Resolution, Test Temperature & Humility for Poultry Livestock House

3.0
$ 694.00
0.1PPM-24.576MHZ 1Pcs Brand New 0.1PPM-24.576MHZ

0.1PPM-24.576MHZ 1Pcs Brand New 0.1PPM-24.576MHZ

$ 136.00
PLT300-O3 Pump suctionO3 ozoneTester portableOzone gasDetector 0-5000PPM 1PPM

PLT300-O3 Pump suctionO3 ozoneTester portableOzone gasDetector 0-5000PPM 1PPM

$ 1,218.75
Portable Ammonia Gas Detector, USB Rechargeable NH3 Gas Monitor with Audible & Visual Alarm, Ammonia Meter Range 0-100ppm with 0.1ppm Resolution for Farm, Pig & Livestock(INFURIDER YF-5800G)

Portable Ammonia Gas Detector, USB Rechargeable NH3 Gas Monitor with Audible & Visual Alarm, Ammonia Meter Range 0-100ppm with 0.1ppm Resolution for Farm, Pig & Livestock(INFURIDER YF-5800G)

$ 269.99
for RTL SDR V3 0.1Mhz-1.7Ghz Rtl-Sdr V3 Rtl2832U 1Ppm Tcxo Hf Biast

for RTL SDR V3 0.1Mhz-1.7Ghz Rtl-Sdr V3 Rtl2832U 1Ppm Tcxo Hf Biast

5.0
$ 101.00
USB Adapter RTL-SDR RTL2832U + R820T2+ 1Ppm TCXO TV Tuner Stick Receiver

USB Adapter RTL-SDR RTL2832U + R820T2+ 1Ppm TCXO TV Tuner Stick Receiver

$ 36.54
PLT300S-O3 Portable Pump Suction Detector O3 Detector 5000PPM 1PPM O3GasTester

PLT300S-O3 Portable Pump Suction Detector O3 Detector 5000PPM 1PPM O3GasTester

$ 1,111.25
At-A-Glance 1PPM Panoramic Floral Desk Pad

At-A-Glance 1PPM Panoramic Floral Desk Pad

$ 62.88
At-A-Glance,Refills,Wall Calendars,Dated Goods,Monthly Laminated,Write-on,Wipe-off,1PPM,Double-sided Sheets,Ruled Blocks,Wirebound Hanging Loop,Wet-erase

At-A-Glance,Refills,Wall Calendars,Dated Goods,Monthly Laminated,Write-on,Wipe-off,1PPM,Double-sided Sheets,Ruled Blocks,Wirebound Hanging Loop,Wet-erase

$ 67.00
0.1PPM-24.576MHZ 1Pcs Brand New 0.1PPM-24.576MHZ

0.1PPM-24.576MHZ 1Pcs Brand New 0.1PPM-24.576MHZ

$ 26.80
Crystal Oscillator, Clock Crystal Oscillator Module 10M 0.1ppm Accuracy Front for Aluminium Housing

Crystal Oscillator, Clock Crystal Oscillator Module 10M 0.1ppm Accuracy Front for Aluminium Housing

$ 48.00
Ammonia Gas Detector RQ-5800G, 0~100 PPM NH3 Monitor, Particle Detector Professional Meter with Temperature(ā„‰/ā„ƒ), Humidity, Ammonia Gas Detector for Poultry, Farm.

Ammonia Gas Detector RQ-5800G, 0~100 PPM NH3 Monitor, Particle Detector Professional Meter with Temperature(ā„‰/ā„ƒ), Humidity, Ammonia Gas Detector for Poultry, Farm.

3.8
$ 684.00
ielm Submersible pump pond pump Pumping PH3 Phosphine Gas Detector Built in Phosphine meter Four Alarm methods explosion-proof Alarm detector Industrial (Color : 0-4000ppm-1ppm)

ielm Submersible pump pond pump Pumping PH3 Phosphine Gas Detector Built in Phosphine meter Four Alarm methods explosion-proof Alarm detector Industrial (Color : 0-4000ppm-1ppm)

$ 1,719.49
Software Defined Radio Receiver, 1PPM TCXO 500kHz to 1.7GHz Tuning R860T SDR Receiver for Linux for Android (Host with Antennae Kit)

Software Defined Radio Receiver, 1PPM TCXO 500kHz to 1.7GHz Tuning R860T SDR Receiver for Linux for Android (Host with Antennae Kit)

$ 106.86
4X RTL SDR V3 R820T2 RTL2832U 1PPM TCXO SMA RTLSDR Communication System

4X RTL SDR V3 R820T2 RTL2832U 1PPM TCXO SMA RTLSDR Communication System

$ 195.51
Portable Ammonia Gas Detector, USB Rechargeable NH3 Gas Monitor with Audible & Visual Alarm, Ammonia Meter Range 0-100ppm with 0.1ppm Resolution for Farm, Pig & Livestock(INFURIDER YF-5800G)

Portable Ammonia Gas Detector, USB Rechargeable NH3 Gas Monitor with Audible & Visual Alarm, Ammonia Meter Range 0-100ppm with 0.1ppm Resolution for Farm, Pig & Livestock(INFURIDER YF-5800G)

$ 463.80
Daroplo 4X RTL SDR V3 R820T2 RTL2832U 1PPM TCXO SMA RTLSDR Communication System

Daroplo 4X RTL SDR V3 R820T2 RTL2832U 1PPM TCXO SMA RTLSDR Communication System

$ 195.51
0.1PPM-28.8MHZ 1Pcs Brand New 0.1PPM-28.8MHZ

0.1PPM-28.8MHZ 1Pcs Brand New 0.1PPM-28.8MHZ

$ 27.16
Glanhbnol Blogs R820T2 RTL2832U 1PPM SMA Software Defineds Radio With Multipurpose Dipoles Blogs R828d Rtl2832u

Glanhbnol Blogs R820T2 RTL2832U 1PPM SMA Software Defineds Radio With Multipurpose Dipoles Blogs R828d Rtl2832u

$ 54.49
RTL- Blog V3 RTL2832U 1PPM TCXO HF Bias Tee SMA F Connector Software Defined Radio R820T2 Tuner

RTL- Blog V3 RTL2832U 1PPM TCXO HF Bias Tee SMA F Connector Software Defined Radio R820T2 Tuner

$ 56.40
Seprendi For RTL SDR V3 0.1Mhz-1.7Ghz Rtl-Sdr V3 Rtl2832U 1Ppm Tcxo Hf Biast Sma

Seprendi For RTL SDR V3 0.1Mhz-1.7Ghz Rtl-Sdr V3 Rtl2832U 1Ppm Tcxo Hf Biast Sma

$ 37.90
Fcuajdkq 4X RTL SDR V3 R820T2 RTL2832U 1PPM TCXO SMA RTLSDR Communication System

Fcuajdkq 4X RTL SDR V3 R820T2 RTL2832U 1PPM TCXO SMA RTLSDR Communication System

$ 195.51
12-Month Desk Cal- Marble Look- 1PPM- 17in.x22in.- Slate Blue

12-Month Desk Cal- Marble Look- 1PPM- 17in.x22in.- Slate Blue

$ 43.84
Monthly Wall Calendar,Jan-Dec,1PPM,20x30,BE/WE by At-A-Glance

Monthly Wall Calendar,Jan-Dec,1PPM,20x30,BE/WE by At-A-Glance

$ 84.11
Gemstone Oscillator Module Clock 10M 0.1ppm Accuracy for Aluminium Housing, GPS Applications, and HighAccuracy Clock Scenarios, Featuring Small Body, Reasonable Structure,

Gemstone Oscillator Module Clock 10M 0.1ppm Accuracy for Aluminium Housing, GPS Applications, and HighAccuracy Clock Scenarios, Featuring Small Body, Reasonable Structure,

$ 16.66
Carbon Dioxide Monitor Wall Plug-in AC by Forensics | AB841 Compliant Alarms for Classrooms | AC Power Direct to Wall | 10 Year Life | CO2 Meter | Gyms, Offices, Classrooms, Home, Retail |

Carbon Dioxide Monitor Wall Plug-in AC by Forensics | AB841 Compliant Alarms for Classrooms | AC Power Direct to Wall | 10 Year Life | CO2 Meter | Gyms, Offices, Classrooms, Home, Retail |

3.7
$ 124.31
Ammonia Gas Detector, N4000 Rechargeable Ammonia Gas Monitor, 0~200 PPM NH3 Monitor & 0.1ppm Resolution with Temperature(ā„‰/ā„ƒ), Humidity for Poultry, Farm, Home

Ammonia Gas Detector, N4000 Rechargeable Ammonia Gas Monitor, 0~200 PPM NH3 Monitor & 0.1ppm Resolution with Temperature(ā„‰/ā„ƒ), Humidity for Poultry, Farm, Home

$ 262.49
Radio Receiver,RTL SDR R820T2 RTL2832U 1PPM TCXO SMA 500KHzā€‘1766MHz Software Defined Radio,SDR Radio Communication System

Radio Receiver,RTL SDR R820T2 RTL2832U 1PPM TCXO SMA 500KHzā€‘1766MHz Software Defined Radio,SDR Radio Communication System

$ 57.25
At-A-Glance PM22817 Monthly Wall Calendar,Jan-Dec, 12"x17-1/8",1PPM,White

At-A-Glance PM22817 Monthly Wall Calendar,Jan-Dec, 12"x17-1/8",1PPM,White

$ 23.55
SMA Software Defined Radio RTL Blog V3 R820T2 1PPM TCXO HF Scanner

SMA Software Defined Radio RTL Blog V3 R820T2 1PPM TCXO HF Scanner

$ 62.96
TDS-3 Handheld TDS Meter 0-9990ppm TDS Measurement Range 1ppm Resolution

TDS-3 Handheld TDS Meter 0-9990ppm TDS Measurement Range 1ppm Resolution

$ 5.00
RTL-SDR Blog RTL SDR V3 R820T2 RTL2832U 1PPM TCXO SMA RTLSDR Software Defined Radio (Dongle Only)

RTL-SDR Blog RTL SDR V3 R820T2 RTL2832U 1PPM TCXO SMA RTLSDR Software Defined Radio (Dongle Only)

$ 7.00
ASEDVG Handheld Digital LCD Ammonia NH3 Gas Detector 0-100PPM Sound Light Alarm Precise 0.1PPM Ammonia Leak Monitor Backlight Display,Gas Detectors

ASEDVG Handheld Digital LCD Ammonia NH3 Gas Detector 0-100PPM Sound Light Alarm Precise 0.1PPM Ammonia Leak Monitor Backlight Display,Gas Detectors

$ 1,081.15
Bureau 4X RTL SDR V3 R820T2 RTL2832U 1PPM TCXO SMA RTLSDR Communication System

Bureau 4X RTL SDR V3 R820T2 RTL2832U 1PPM TCXO SMA RTLSDR Communication System

$ 195.51
ArcNeer's Digital LCD TDS & EC Meter for RO Water Filter Tester and Measuring with Carry Case Ph Meter

ArcNeer's Digital LCD TDS & EC Meter for RO Water Filter Tester and Measuring with Carry Case Ph Meter

$ 5.30
ZAMETTER RTLBlog V3 RTL2832U 1PPM TCXO HF BiasT SMA Software Defined Radio R820T2 H3 For Many Applications

ZAMETTER RTLBlog V3 RTL2832U 1PPM TCXO HF BiasT SMA Software Defined Radio R820T2 H3 For Many Applications

$ 51.50
Ammonia Air Detector 5800G Monitor NH3 Gas Level w/Alert, Kethvoz Amoniaco Medidor Detect Ammonia 0~100 PPM with 0.1ppm Resolution, Test Temperature & Humility for Poultry Livestock House

Ammonia Air Detector 5800G Monitor NH3 Gas Level w/Alert, Kethvoz Amoniaco Medidor Detect Ammonia 0~100 PPM with 0.1ppm Resolution, Test Temperature & Humility for Poultry Livestock House

3.0
$ 491.81
RTL Blog V3 R820T2 1PPM TCXO SMA Radio Receiver, Ideal for GSM and Milsatcom

RTL Blog V3 R820T2 1PPM TCXO SMA Radio Receiver, Ideal for GSM and Milsatcom

$ 51.65
SDR Receiver, 1PPM TCXO SMA Connector Aluminum Case Portable Radio Receiver Software Defined RTL2832U (Single Host)

SDR Receiver, 1PPM TCXO SMA Connector Aluminum Case Portable Radio Receiver Software Defined RTL2832U (Single Host)

$ 81.94
RTL- Blog V3 R820T2 1PPM TCXO HF BiasT SMA Software Defined Radio Software Defined Radio, 500 kHz to 1.7 GHz Bandwidth Radio

RTL- Blog V3 R820T2 1PPM TCXO HF BiasT SMA Software Defined Radio Software Defined Radio, 500 kHz to 1.7 GHz Bandwidth Radio

$ 54.24
Software Defined Radio Receiver, 1PPM TCXO 500kHz to 1.7GHz Tuning R860T SDR Receiver for Linux for Android (Jectseo4p6es1ai9-12)

Software Defined Radio Receiver, 1PPM TCXO 500kHz to 1.7GHz Tuning R860T SDR Receiver for Linux for Android (Jectseo4p6es1ai9-12)

$ 120.54
HLDMUXBF Detector by Forensics | 0-10,000ppm & 1ppm Resolution Display | Li-Ion Battery | Natural Gas, Methane, Propane, Butane, H2, NH3 & Alkanes detector

HLDMUXBF Detector by Forensics | 0-10,000ppm & 1ppm Resolution Display | Li-Ion Battery | Natural Gas, Methane, Propane, Butane, H2, NH3 & Alkanes detector

$ 310.88
Junguluy 3X RTL SDR V3 R820T2 RTL2832U 1PPM TCXO SMA RTLSDR Communication System

Junguluy 3X RTL SDR V3 R820T2 RTL2832U 1PPM TCXO SMA RTLSDR Communication System

$ 163.66
Bordhap RTL SDR V3 R820T2 RTL2832U 1PPM TCXO SMA RTLSDR Communication System

Bordhap RTL SDR V3 R820T2 RTL2832U 1PPM TCXO SMA RTLSDR Communication System

$ 47.52
bbutterfly Digital TDS&EC Water and Temperature Meter, Purity Tester, 1ppm Resolution, 0-9990 ppm with Automatic Calibration Pen Type Water Quality Tester to test PH of Drinking Water

bbutterfly Digital TDS&EC Water and Temperature Meter, Purity Tester, 1ppm Resolution, 0-9990 ppm with Automatic Calibration Pen Type Water Quality Tester to test PH of Drinking Water

$ 4.25
TDS-3 Handheld TDS Meter 0-9990ppm TDS Measurement Range 1ppm Resolution

TDS-3 Handheld TDS Meter 0-9990ppm TDS Measurement Range 1ppm Resolution

$ 5.02
Gnanex Temperature Meter, Digital TDS EC and Purity Tester, ATC Function, 1ppm Resolution, 0-9990 ppm

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Aqtus Water TDS EC and Temperature (3 in 1) Meter, Purity Tester, ATC Function, 1ppm Resolution, 0-9990 ppm

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Ozone Gas Detector Portable O3 Meter for Ozono Generator Ozone Analyzer (Color : 0-50ppm-0.1ppm)

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