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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
0~14.00 Pen Type pH Meter 12cm Long tube Hydrophonics Quality Control Measurer
 
Buy It Now or Best Offer
$39.50
Free shipping
Time left:2h 57m
CL2 Chlorine pH Level Meter Swimming Pool Checker Spa Water Quality Tester Tool
 
Buy It Now or Best Offer$27.82Time left:2h 58m
7-in-1 Digital Water Quality Monitor Pool pH °C °F ORP EC CF TDS Meter Tester
 
Buy It Now or Best Offer$99.07Time left:2h 58m
0~14.00 Pen Type pH Meter 12cm Long tube Hydrophonics Quality Control Measurer
 
Buy it now
$48.45
Free shipping
Time left:3h 44m
CL2 Chlorine pH Level Meter Swimming Pool Checker Spa Water Quality Tester Tool
 
Buy It Now or Best Offer$23.90Time left:12h 39m
Pen Type Digital pH Level Meter Tester Thermomete​r (°C) Hydrophonic Spa Generic
 
Buy It Now or Best Offer$24.50Time left:13h 43m
LCD Digital pH / Temp °C °F Meter IP65 Water Quality Tester w/ Auto Calibration
 
Buy It Now or Best Offer$24.90Time left:16h 47m
Multi-Function Water Quality Tester Meter  EC CF TDS PH °C °F Hydroponic Generic
 
0 Bids$92.50Time left:1d 3h 7m
Digital ph Orp (2 in 1) Controller BNC Electrodes Redox mV CO2 O3 220V or 110V
 
Buy It Now or Best Offer$112.17Time left:1d 12h 2m
2in1 Digital pH & Temperature Meter Tester Thermometer °C °F Test Water w/ ATC
 
Buy It Now or Best Offer$43.43Time left:1d 12h 43m
2-in-1 Digital pH & Temperature Meter Tester Thermometer °C °F Test Water w/ ATC
 
Buy It Now or Best Offer$39.90Time left:1d 12h 43m
7-in-1 Digital Water Quality Monitor Pool pH °C °F ORP EC CF TDS Meter Tester
 
Buy It Now or Best Offer$89.00Time left:1d 13h 19m
LCD Digital pH / Temp °C °F Meter IP65 Water Quality Tester w/ Auto Calibration
 
Buy It Now or Best Offer$24.80Time left:1d 20h 33m
2-in-1 Digital pH & Temperature Meter Tester Thermometer °C °F Test Water w/ ATC
 
Buy It Now or Best Offer$39.08Time left:1d 20h 33m
pH Electrode BNC 3m Cable Water Meter Tester Aquarium + Buffer Solutions Generic
 
0 Bids$17.90Time left:2d 2h 58m
Digital pH Meter Tester 2 Buffer Hydroponic Aquarium
 
0 Bids$16.63Time left:2d 16h 6m
pH Buffer Calibration Powder Solution Tester Meter 4.01, 7.00 10.01pH set
 
0 Bids
$5.20
Free shipping
Time left:2d 22h 4m
6-in-1 Multi-Function Water Quality Tester Meter  EC CF TDS PH °C °F  Hydroponic
 
0 Bids$99.78Time left:2d 22h 58m
Digital pH Level Meter Tester Spa Aquarium Hydroponic Pool 0-14pH ATC Generic
 
0 Bids$13.50Time left:2d 23h 12m
CL2 Chlorine pH Level Meter Swimming Pool Checker Spa Water Quality Generic
 
0 Bids$22.90Time left:3d 9h 0m
Soil Moisture Meter & pH Level Tester for Plants Crops flowers Vegetable Garden
 
0 Bids$35.50Time left:3d 12h 56m
Portable Digital pH Meter 0.00~14.00pH Tester for Wine Hydrophonics Aquaculture
 
Buy It Now or Best Offer$14.80Time left:3d 18h 0m
7-in-1 Digital Water Quality Monitor Pool pH °C °F ORP EC CF TDS Meter Generic
 
0 Bids$87.00Time left:3d 22h 46m
14.00 pH Meter Digital Water Quality Monitor Tester Hydroponic Aquarium Generic
 
0 Bids$18.90Time left:4d 0h 21m
2in1 Digital pH ORP Controller Aquarium Pond Meter Tester Tool 1 Socket Generic
 
Buy It Now or Best Offer$89.90Time left:4d 12h 34m
2in1 Digital pH ORP Controller Aquarium Pond Meter Tester 1 Socket 220V or 110V
 
Buy It Now or Best Offer$105.46Time left:4d 12h 34m
pH Electrode BNC 70cm long Cable 2 x Buffer Calibration Solution 0.00~14.00pH
 
Buy It Now or Best Offer$19.95Time left:4d 12h 46m
Digital pH Controller Meter Tester + Replaceable BNC Electrode 220V/110V Generic
 
Buy It Now or Best Offer$89.90Time left:4d 13h 13m
New Digital pH Controller Meter Tester + Replaceable BNC Electrode  220V or 110V
 
Buy It Now or Best Offer$99.83Time left:4d 13h 13m
Portable pH, Chlorine Swimming Pool Tester Water Quality Hydrotool Testing Kit
 
Buy It Now or Best Offer
$10.90
Free shipping
Time left:4d 15h 8m
Digital pH Meter Tester Monitor w/ Replaceable BNC Electrode & Mounting Bracket
 
Buy It Now or Best Offer$29.56Time left:4d 15h 20m
Digital pH Temperature Meter High Accuracy ±0.05PH Water Quality Tester Generic
 
0 Bids$37.90Time left:4d 21h 41m
Pen Type Digital pH Level Meter Tester Thermomete​r °C Hydrophonic Aquarium Spa
 
0 Bids$22.50Time left:4d 22h 30m
Digital pH Meter Tester Monitor w/ Replaceable BNC Electrode & Mounting Bracket
 
0 Bids$24.50Time left:4d 22h 35m
Digital 14.00 pH Meter Tester 2 Buffer Hydroponic Aquarium Built-in ATC Generic
 
0 Bids$15.50Time left:5d 1h 21m
4 in 1 Professional LCD Plant Soil pH Temperature Moisture Sunlight Meter Tester
 
0 Bids$17.90Time left:5d 1h 39m
Professional PH Temperature Meter High Accuracy ±0.05PH Water Quality Tester
 
Buy It Now or Best Offer$43.43Time left:5d 14h 57m
Digital pH Temperature Meter High Accuracy ±0.05PH Water Quality Tester Aquarium
 
Buy It Now or Best Offer$45.48Time left:5d 15h 4m
Digital pH Temperature Meter High Accuracy ±0.05PH Water Quality Tester Aquarium
 
Buy It Now or Best Offer$39.90Time left:5d 15h 5m
0 ~14.00 pH Meter Digital Water Quality Monitor Tester Hydroponic Aquarium Spa
 
Buy It Now or Best Offer$22.51Time left:5d 15h 16m
LCD Digital pH / Temp °C °F Meter IP65 Water Quality Tester w/ Auto Calibration
 
0 Bids$25.99Time left:5d 15h 43m
Digital pH Pen Meter Tester 2 Buffer Hydroponic Aquarium 14.00 pH Range Generic
 
Buy It Now or Best Offer$16.90Time left:6d 13h 34m
7in1 Digital Water Quality Monitor Piscina pH °C °F ORP EC CF TDS Probador Metro
 
Buy It Now or Best Offer$98.33Time left:6d 14h 11m
Pen Type Digital pH Level Meter Tester Thermomete​r °C Hydrophonic Aquarium Spa
 
Buy It Now or Best Offer$27.52Time left:6d 14h 15m
2in1 Digital pH & Temperature Meter Tester Thermometer °C °F Test Water Generic
 
0 Bids$37.90Time left:6d 21h 7m
Pen Type Digital pH Level Meter Tester Thermomete​r (°C) Hydrophonic Spa Generic
 
0 Bids$22.50Time left:6d 23h 37m
Pen Type Digital pH Meter 0.00~14.00pH Tester for Wine Hydrophonics Aquaculture
 
2 Bids$13.95Time left:7d 0h 7m
2-in-1 Combo Digital pH & TDS Mini Meter 14.00pH Water Quality Tester with ATC
 
0 Bids$46.28Time left:7d 0h 56m
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