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Gain Express(10)
Quantum PAR Meter for LED Grow Light Full Spectrum PPFD Meter High Precision Quantum Sensor, Light Meter for Plants, Greenhouse and Farming Lux Meter Tester 400-700nm 
Reduced price
Now $273.92
current price Now $273.92, Was $342.40$342.40
Gain Express
Quantum PAR Meter for LED Grow Light Full Spectrum PPFD Meter High Precision Quantum Sensor, Light Meter for Plants, Greenhouse and Farming Lux Meter Tester 400-700nmFree delivery, Wed Jun 10
0-14 pH Electrode Probe BNC Connector, 300cm Cable for PH Meter Monitor Controller Test Sensor, Replacement Kit for Aquarium Hydroponics Plant Pool Spa (pH Electrode) 
$46.54
current price $46.54Gain Express
0-14 pH Electrode Probe BNC Connector, 300cm Cable for PH Meter Monitor Controller Test Sensor, Replacement Kit for Aquarium Hydroponics Plant Pool Spa (pH Electrode)2 in 1 Digital Tachometer,Contact/Non-Contact Photo Tachometer RPM Tach Meter | 2.5-99,999 RPM Accuracy with Linear and Rotation Speed Measurement Wheels 
$110.13
current price $110.13Gain Express
2 in 1 Digital Tachometer,Contact/Non-Contact Photo Tachometer RPM Tach Meter | 2.5-99,999 RPM Accuracy with Linear and Rotation Speed Measurement WheelsGain Express Durometer Tester Shore A Hardness Tester, Rubber Tire Durometer Gauge 0~100HA Digital Hardness Meter with Large LCD Display 
$75.98
current price $75.98Gain Express
Gain Express Durometer Tester Shore A Hardness Tester, Rubber Tire Durometer Gauge 0~100HA Digital Hardness Meter with Large LCD DisplayUSB Temperature Data Logger Recorder for Temperature Humidity and Atmospheric Pressure, IP65 Waterproof Temperature Logger with PDF and CSV Reports High Accuracy 
$152.76
current price $152.76Gain Express
USB Temperature Data Logger Recorder for Temperature Humidity and Atmospheric Pressure, IP65 Waterproof Temperature Logger with PDF and CSV Reports High AccuracyGain Express Professional Digital Large LCD Dissolved Oxygen DO Meter Water Quality Tester with ATC 99 Memory Function 
$354.08
current price $354.08Gain Express
Gain Express Professional Digital Large LCD Dissolved Oxygen DO Meter Water Quality Tester with ATC 99 Memory FunctionShore D Hardness Tester Meter Portable 0-100HD Digital Durometer D for Rubber, Tire, Plastic, Thermal Plastic, Flooring, Bowling Ball with Large LCD Display 
$75.98
current price $75.98Gain Express
Shore D Hardness Tester Meter Portable 0-100HD Digital Durometer D for Rubber, Tire, Plastic, Thermal Plastic, Flooring, Bowling Ball with Large LCD DisplaySound Level Calibrator Decibel Meter Sound Level Reader Sonometro Decibel Meter Calibrator 94db & 114db Output Levels For 1 Inch And 1/2 Inch Mic 
$226.60
current price $226.60Gain Express
Sound Level Calibrator Decibel Meter Sound Level Reader Sonometro Decibel Meter Calibrator 94db & 114db Output Levels For 1 Inch And 1/2 Inch MicGain Express 50 Ohm BNC Connector pH Electrode Probe Replacement Kit 300cm Cable 
$61.58
current price $61.58Gain Express
Gain Express 50 Ohm BNC Connector pH Electrode Probe Replacement Kit 300cm Cable