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 Discount Instrument is an online distributor for a range of professional instruments. We offer internet-leading prices made possible through the online nature of our ecommerce distribution method. We provide excellent customer services and competitive prices.
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Items are dispatched by Registered Air Mail from Hong Kong within 2 business days after we have received your cleared payment. Delivery is approximately 8-18 days, in most cases, it takes 7-10 days. We make sure that your ordered item(s) leaves our facility in a timely manner. Insurance is included in the Shipping & Handling costs you paid and charge the same shipping cost to customers worldwide (same shipping cost to United States, Europe and Australia).
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96 results found in PH Meters / Controllers
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Picture [hide]Item titlePriceTime Left
LCD Digital pH / Temp °C °F Meter IP65 Water Quality Tester w/ Auto Calibration
 
Buy it now$24.90Time left:2h 13m
0 ~14.00 pH Meter Digital Water Quality Monitor Tester Hydroponic Aquarium Spa
 
Buy it now$17.39Time left:3h 2m
LCD Digital  pH / Temp °C °F IP65 Medidor  0~14pH Agua CalidadTester Kit
 
Buy it now$25.69Time left:3h 2m
LCD Digital pH / Temp °C °F Meter IP65 Water Quality Tester w/ Auto Calibration
 
Buy it now$25.33Time left:3h 2m
6-in-1 Multi-Function Water Quality Tester Meter  EC CF TDS PH °C °F  Hydroponic
 
Buy it now$84.42Time left:3h 3m
pH Electrode Long Cable With BNC 2 x Buffer Calibration Solution 0.00~14.00pH
 
Buy it now$18.90Time left:3h 3m
Digital pH Monitor Tester 14.00 pH Range Aquariums w/ Rechargeable Meter Adaptor
 
Buy it now$34.50Time left:3h 3m
Digital pH Meter Tester Monitor Meter ATC w/ Replaceable BNC Electrode Generic
 
Buy it now$23.16Time left:3h 3m
2in1 Digital pH & Temperature Meter Tester Thermometer °C °F Test Water w/ ATC
 
Buy it now$44.87Time left:3h 3m
7-in-1 Digital Water Quality Monitor Pool pH °C °F ORP EC CF TDS Meter Tester
 
Buy it now$89.00Time left:3h 3m
Digital pH CO2 Controller METER  Aquarium Fish Tank 110V or 220V
 
Buy it now$89.36Time left:3h 3m
Digital pH Controller Meter Tester + Replaceable BNC Electrode 220V/110V Generic
 
Buy it now$89.90Time left:3h 4m
2in1 Digital pH ORP Controller Aquarium Pond Meter Tester 1 Socket 220V or 110V
 
Buy it now$97.16Time left:3h 4m
Pen Type Digital pH Meter 0.00~14.00pH Tester for Wine Hydrophonics Aquaculture
 
Buy it now$14.71Time left:3h 4m
Digital pH Meter Tester Monitor w/ Replaceable BNC Electrode & Mounting Bracket
 
Buy it now$27.92Time left:3h 4m
CL2 Chlorine pH Level Meter Swimming Pool Checker Spa Water Quality Tester Tool
 
Buy it now$29.14Time left:3h 4m
0~14.00 Pen Type pH Meter 12cm Long tube Hydrophonics Quality Control Measurer
 
Buy it now
$39.50
Free shipping
Time left:3h 4m
0~14.00 Pen Type pH Meter 12cm Long tube Hydrophonics Quality Control Measurer
 
Buy it now
$43.74
Free shipping
Time left:3h 5m
Digital Water Quality Tester ORP TDS Temperature Salinity pH Combo Meter IP57
 
Buy it now$110.71Time left:3h 5m
Digital pH Temperature Meter High Accuracy ±0.05PH Water Quality Tester Aquarium
 
Buy it now$41.64Time left:3h 6m
Professional PH Temperature Meter High Accuracy ±0.05PH Water Quality Tester
 
Buy it now$44.87Time left:3h 6m
Pen Type Digital pH Level Meter Tester Thermomete​r °C Hydrophonic Aquarium Spa
 
Buy it now$24.07Time left:3h 6m
Portable Waterproof Digital pH Meter Tester Hydroponic Aquariums Spa Thermometer
 
Buy it now$25.77Time left:3h 6m
Digital pH Meter Tester Monitor w/ Replaceable BNC Electrode & Mounting Bracket
 
Buy it now$25.33Time left:3h 6m
Digital pH & Temperature Meter  Pocket Water Tester Thermometer °C or °F IP67
 
Buy it now$24.71Time left:3h 6m
Pen Type Digital pH Level Meter Tester Thermomete​r (°C) Hydrophonic Spa
 
Buy it now$21.94Time left:3h 7m
New Digital pH Controller Meter Tester + Replaceable BNC Electrode  220V or 110V
 
Buy it now$102.83Time left:3h 7m
Digital pH & Temperature Meter Pocket Water Tester Thermometer °C or °F Generic
 
Buy it now$21.27Time left:3h 7m
2-in-1 Combo Digital pH & TDS Mini Meter 14.00pH Water Quality Tester with ATC
 
Buy it now$37.15Time left:3h 7m
Portable Digital pH Meter 0.00~14.00pH Tester for Wine Hydrophonics Aquaculture
 
Buy it now$14.80Time left:3h 7m
2-in-1 Combo Digital pH & TDS Mini Meter 14.00pH Water Quality Tester Aquarium
 
Buy it now$37.15Time left:3h 8m
Portable pH, Chlorine Swimming Pool Tester  Water  Quality Hydrotool Testing Kit
 
Buy it now
$13.56
Free shipping
Time left:3h 8m
Durable pH Electrode BNC 3m Cable Buffer Solutions Water Meter Tester Aquarium
 
Buy it now$19.90Time left:3h 10m
pH Electrode Long Cable With BNC  2 x Buffer Calibration Solution 0.00~14.00pH
 
Buy it now$20.61Time left:3h 10m
Portable Waterproof Digital pH Meter Thermometer Tester Hydroponics Laboratory
 
Buy it now$24.90Time left:3h 10m
0 ~14.00 pH Meter Digital Water Quality Monitor Tester Hydroponic Aquarium Spa
 
Buy it now$22.16Time left:3h 10m
Digital pH Monitor Tester 14.00 pH Range Aquariums w/ Rechargeable Meter Adaptor
 
Buy it now$36.20Time left:3h 10m
2-in-1 Digital pH & Temperature Meter Tester Thermometer °C °F Test Water w/ ATC
 
Buy it now$34.87Time left:3h 10m
Digital pH Pen Meter Tester 2 Buffer Hydroponic Aquarium 14.00 pH Range Generic
 
Buy it now$15.37Time left:3h 11m
6-in-1 Multi-Function Water Quality Tester Meter  EC CF TDS PH °C °F  Hydroponic
 
Buy it now$99.65Time left:3h 11m
4 in 1 Professional LCD Plant Soil pH Temperature Moisture Sunlight Meter Tester
 
Buy it now$18.90Time left:3h 11m
2-in-1 Combo Digital pH & TDS Mini Meter 14.00pH Water Quality Tester with ATC
 
Buy it now$44.78Time left:3h 11m
7-in-1 Digital Water Quality Monitor Pool pH °C °F ORP EC CF TDS Meter Tester
 
Buy it now$92.86Time left:3h 12m
Multi-Function Water Quality Tester Meter  EC CF TDS PH °C °F Hydroponic Generic
 
0 Bids$92.50Time left:15h 1m
Digital ph Orp (2 in 1) Controller BNC Electrodes Redox mV CO2 O3 220V or 110V
 
Buy it now$115.90Time left:21h 28m
LCD Digital pH / Temp °C °F Meter IP65 Water Quality Tester w/ Auto Calibration
 
Buy it now$26.22Time left:1d 5h 59m
2-in-1 Digital pH & Temperature Meter Tester Thermometer °C °F Test Water w/ ATC
 
Buy it now$41.32Time left:1d 5h 59m
pH Electrode BNC 3m Cable Water Meter Tester Aquarium + Buffer Solutions Generic
 
0 Bids$17.90Time left:1d 18h 8m
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