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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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95 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 or Best Offer$24.90Time left:1h 57m
Multi-Function Water Quality Tester Meter  EC CF TDS PH °C °F Hydroponic Generic
 
0 Bids$92.50Time left:9h 12m
Digital ph Orp (2 in 1) Controller BNC Electrodes Redox mV CO2 O3 220V or 110V
 
Buy It Now or Best Offer$109.33Time left:21h 12m
2in1 Digital pH & Temperature Meter Tester Thermometer °C °F Test Water w/ ATC
 
Buy It Now or Best Offer$42.32Time left:21h 53m
2-in-1 Digital pH & Temperature Meter Tester Thermometer °C °F Test Water w/ ATC
 
Buy It Now or Best Offer$39.90Time left:21h 53m
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:22h 29m
Portable Digital pH Level Meter Tester Spa Aquarium Hydroponic Pool 0-14pH ATC
 
Buy It Now or Best Offer$13.70Time left:22h 51m
2-in-1 Digital pH & Temperature Meter Tester Thermometer °C °F Test Water w/ ATC
 
Buy It Now or Best Offer$39.68Time left:1d 5h 43m
LCD Digital pH / Temp °C °F Meter IP65 Water Quality Tester w/ Auto Calibration
 
Buy It Now or Best Offer$25.18Time left:1d 5h 48m
pH Electrode BNC 3m Cable Water Meter Tester Aquarium + Buffer Solutions Generic
 
0 Bids$17.90Time left:1d 8h 7m
Digital pH Meter Tester 2 Buffer Hydroponic Aquarium
 
0 Bids$16.20Time left:1d 22h 34m
pH Buffer Calibration Powder Solution Tester Meter 4.01, 7.00 10.01pH set
 
0 Bids
$5.06
Free shipping
Time left:2d 3h 31m
Digital pH Level Meter Tester Spa Aquarium Hydroponic Pool 0-14pH ATC Generic
 
0 Bids$13.50Time left:2d 4h 12m
6-in-1 Multi-Function Water Quality Tester Meter  EC CF TDS PH °C °F  Hydroponic
 
0 Bids$97.24Time left:2d 4h 48m
CL2 Chlorine pH Level Meter Swimming Pool Checker Spa Water Quality Generic
 
0 Bids$22.90Time left:2d 14h 43m
Soil Moisture Meter & pH Level Tester for Plants Crops flowers Vegetable Garden
 
0 Bids$35.50Time left:2d 17h 31m
Portable Digital pH Meter 0.00~14.00pH Tester for Wine Hydrophonics Aquaculture
 
Buy It Now or Best Offer$14.80Time left:3d 3h 10m
7-in-1 Digital Water Quality Monitor Pool pH °C °F ORP EC CF TDS Meter Generic
 
0 Bids$87.00Time left:3d 3h 22m
14.00 pH Meter Digital Water Quality Monitor Tester Hydroponic Aquarium Generic
 
0 Bids$18.90Time left:3d 6h 8m
2in1 Digital pH ORP Controller Aquarium Pond Meter Tester Tool 1 Socket Generic
 
Buy It Now or Best Offer$89.90Time left:3d 21h 44m
2in1 Digital pH ORP Controller Aquarium Pond Meter Tester 1 Socket 220V or 110V
 
Buy It Now or Best Offer$102.79Time left:3d 21h 44m
pH Electrode BNC 70cm long Cable 2 x Buffer Calibration Solution 0.00~14.00pH
 
Buy It Now or Best Offer$19.45Time left:3d 21h 56m
Digital pH Controller Meter Tester + Replaceable BNC Electrode 220V/110V Generic
 
Buy It Now or Best Offer$89.90Time left:3d 22h 23m
New Digital pH Controller Meter Tester + Replaceable BNC Electrode  220V or 110V
 
Buy It Now or Best Offer$96.76Time left:3d 22h 23m
Portable pH, Chlorine and Tester Water Quality Hydrotool Testing Kit
 
Buy It Now or Best Offer
$10.90
Free shipping
Time left:4d 0h 17m
Digital pH Meter Tester Monitor w/ Replaceable BNC Electrode & Mounting Bracket
 
Buy It Now or Best Offer$28.65Time left:4d 0h 30m
Digital pH Temperature Meter High Accuracy ±0.05PH Water Quality Tester Generic
 
1 Bid$37.90Time left:4d 3h 51m
Pen Type Digital pH Level Meter Tester Thermomete​r °C Hydrophonic Aquarium Spa
 
0 Bids$22.50Time left:4d 3h 53m
Digital pH Meter Tester Monitor w/ Replaceable BNC Electrode & Mounting Bracket
 
0 Bids$24.50Time left:4d 4h 47m
4 in 1 Professional LCD Plant Soil pH Temperature Moisture Sunlight Meter Tester
 
0 Bids$17.90Time left:4d 5h 24m
Digital 14.00 pH Meter Tester 2 Buffer Hydroponic Aquarium Built-in ATC Generic
 
0 Bids$15.50Time left:4d 6h 4m
Professional PH Temperature Meter High Accuracy ±0.05PH Water Quality Tester
 
Buy It Now or Best Offer$42.32Time left:5d 0h 7m
Digital pH Temperature Meter High Accuracy ±0.05PH Water Quality Tester Aquarium
 
Buy It Now or Best Offer$44.08Time left:5d 0h 14m
Digital pH Temperature Meter High Accuracy ±0.05PH Water Quality Tester Aquarium
 
Buy It Now or Best Offer$39.90Time left:5d 0h 15m
Digital pH Pen Meter Tester 2 Buffer Hydroponic Aquarium 14.00 pH Range Generic
 
Buy It Now or Best Offer$16.90Time left:5d 22h 44m
2in1 Digital pH & Temperature Meter Tester Thermometer °C °F Test Water Generic
 
0 Bids$37.90Time left:6d 3h 38m
Pen Type Digital pH Level Meter Tester Thermomete​r (°C) Hydrophonic Spa Generic
 
0 Bids$22.50Time left:6d 5h 58m
Pen Type Digital pH Meter 0.00~14.00pH Tester for Wine Hydrophonics Aquaculture
 
0 Bids$13.60Time left:6d 6h 21m
2-in-1 Combo Digital pH & TDS Mini Meter 14.00pH Water Quality Tester with ATC
 
0 Bids$45.11Time left:6d 7h 2m
0 ~14.00 pH Meter Digital Water Quality Monitor Tester Hydroponic Aquarium Spa
 
Buy It Now or Best Offer$19.90Time left:7d 0h 44m
LCD Digital  pH / Temp °C °F IP65 Medidor  0~14pH Agua CalidadTester Kit
 
Buy It Now or Best Offer$26.89Time left:7d 2h 50m
Portable pH, Chlorine and  Tester Water Quality Hydrotool Testing Kit
 
Buy It Now or Best Offer
$15.19
Free shipping
Time left:7d 3h 24m
LCD Digital pH / Temp °C °F Meter IP65 Water Quality Tester w/ Auto Calibration
 
0 Bids$25.34Time left:7d 5h 32m
Digital pH CO2 Controller METER  Aquarium Fish Tank 110V or 220V
 
Buy It Now or Best Offer$91.35Time left:7d 21h 50m
Digital pH Meter Tester Monitor w/ Replaceable BNC Electrode & Mounting Bracket
 
Buy It Now or Best Offer$25.98Time left:8d 22h 45m
Waterproof Digital pH Meter Tester Hydroponics Aquariums Spa Thermometer Generic
 
0 Bids$23.50Time left:9d 4h 51m
6-in-1 Multi-Function Water Quality Tester Meter  EC CF TDS PH °C °F  Hydroponic
 
Buy It Now or Best Offer$102.64Time left:10d 21h 30m
6-in-1 Multi-Function Water Quality Tester Meter  EC CF TDS PH °C °F  Hydroponic
 
Buy It Now or Best Offer$101.16Time left:10d 21h 30m
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