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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
Digital pH Temperature Meter High Accuracy ±0.05PH Water Quality Tester Generic
 
0 Bids$37.90Time left:5h 4m
Digital pH Meter Tester Monitor w/ Replaceable BNC Electrode & Mounting Bracket
 
0 Bids$24.50Time left:5h 33m
Pen Type Digital pH Level Meter Tester Thermomete​r °C Hydrophonic Aquarium Spa
 
0 Bids$22.50Time left:6h 17m
4 in 1 Professional LCD Plant Soil pH Temperature Moisture Sunlight Meter Tester
 
0 Bids$17.90Time left:9h 3m
Digital 14.00 pH Meter Tester 2 Buffer Hydroponic Aquarium Built-in ATC Generic
 
0 Bids$15.50Time left:9h 16m
Digital pH Temperature Meter High Accuracy ±0.05PH Water Quality Tester Aquarium
 
Buy It Now or Best Offer$39.90Time left:21h 4m
0 ~14.00 pH Meter Digital Water Quality Monitor Tester Hydroponic Aquarium Spa
 
Buy It Now or Best Offer$22.11Time left:21h 15m
LCD Digital pH / Temp °C °F Meter IP65 Water Quality Tester w/ Auto Calibration
 
0 Bids$26.62Time left:1d 0h 1m
7in1 Digital Water Quality Monitor Piscina pH °C °F ORP EC CF TDS Probador Metro
 
Buy it now$96.07Time left:1d 20h 9m
Pen Type Digital pH Level Meter Tester Thermomete​r °C Hydrophonic Aquarium Spa
 
Buy it now$24.87Time left:1d 20h 14m
2in1 Digital pH & Temperature Meter Tester Thermometer °C °F Test Water Generic
 
0 Bids$37.90Time left:2d 5h 6m
Pen Type Digital pH Level Meter Tester Thermomete​r (°C) Hydrophonic Spa Generic
 
0 Bids$22.50Time left:2d 7h 5m
Pen Type Digital pH Meter 0.00~14.00pH Tester for Wine Hydrophonics Aquaculture
 
0 Bids$14.29Time left:2d 8h 3m
2-in-1 Combo Digital pH & TDS Mini Meter 14.00pH Water Quality Tester with ATC
 
0 Bids$47.39Time left:2d 8h 57m
3-in-1 ORP mV, PH, Temperature Meter Tester  w/ Replaceable pH & ORP Electrodes
 
Buy It Now or Best Offer$89.00Time left:4d 20h 45m
3-in-1  ORP mV, PH, Temperature Meter Tester w/ Replaceable pH & ORP Electrodes
 
Buy it now$92.77Time left:4d 20h 46m
Digital pH Meter Tester 2 Buffer Hydroponic Aquarium 14.00 pH Measuring Range
 
Buy it now$17.69Time left:4d 21h 39m
Waterproof Digital pH Meter Tester Hydroponics Aquariums Spa Thermometer Generic
 
0 Bids$23.50Time left:4d 22h 54m
Waterproof Digital pH Meter Tester Hydroponics Aquariums Spa Thermometer Generic
 
0 Bids$23.50Time left:4d 23h 2m
0~14.00 Pen Type pH Meter 12cm Long tube Hydrophonics Quality Control Measurer
 
Buy It Now or Best Offer
$41.85
Free shipping
Time left:4d 23h 34m
6-in-1 Multi-Function Water Quality Tester Meter  EC CF TDS PH °C °F  Hydroponic
 
Buy it now$99.64Time left:5d 19h 6m
Pen Type Digital pH Meter 0.00~14.00pH Tester for Wine Hydrophonics Aquaculture
 
Buy it now$13.62Time left:5d 19h 13m
Multi-Function Water Quality Tester Meter  EC CF TDS PH °C °F Hydroponic Generic
 
0 Bids$92.50Time left:6d 10h 34m
Digital Water Quality Tester ORP TDS Temperature Salinity pH Combo Meter IP57
 
Buy It Now or Best Offer$106.99Time left:6d 19h 1m
Digital Water Quality Tester ORP TDS Temperature Salinity pH Combo Meter Generic
 
Buy It Now or Best Offer$97.90Time left:6d 19h 1m
pH Electrode BNC 3m Cable Water Meter Tester Aquarium + Buffer Solutions Generic
 
0 Bids$17.90Time left:7d 13h 30m
Digital pH Meter Tester 2 Buffer Hydroponic Aquarium
 
0 Bids$17.02Time left:7d 23h 39m
4 in 1 Professional LCD Plant Soil pH Temperature Moisture Sunlight Meter Tester
 
Buy It Now or Best Offer$20.43Time left:8d 2h 23m
pH Buffer Calibration Powder Solution Tester Meter 4.01, 7.00 10.01pH set
 
0 Bids
$5.32
Free shipping
Time left:8d 5h 58m
6-in-1 Multi-Function Water Quality Tester Meter  EC CF TDS PH °C °F  Hydroponic
 
0 Bids$102.17Time left:8d 8h 15m
Digital pH Level Meter Tester Spa Aquarium Hydroponic Pool 0-14pH ATC Generic
 
0 Bids$13.50Time left:8d 8h 38m
CL2 Chlorine pH Level Meter Swimming Pool Checker Spa Water Quality Generic
 
0 Bids$22.90Time left:8d 16h 35m
Soil Moisture Meter & pH Level Tester for Plants Crops flowers Vegetable Garden
 
0 Bids$39.05Time left:8d 20h 49m
7-in-1 Digital Water Quality Monitor Pool pH °C °F ORP EC CF TDS Meter Generic
 
0 Bids$87.00Time left:9d 5h 57m
14.00 pH Meter Digital Water Quality Monitor Tester Hydroponic Aquarium Generic
 
0 Bids$18.90Time left:9d 8h 16m
New Digital pH Controller Meter Tester + Replaceable BNC Electrode  220V or 110V
 
Buy it now$89.33Time left:12d 23h 11m
Soil Moisture Meter & pH Level Tester for Plants Crops flowers Vegetable Garden
 
Buy it now$37.36Time left:12d 23h 12m
pH Buffer Calibration Powder Solution TestMeter 4.01, 7.00 10.01pH set Generic
 
Buy it now
$4.74
Free shipping
Time left:14d 17h 54m
Waterproof pH 42cm Stick Meter LED Tester Dipstick Hydroponic Pool Pond Generic
 
Buy it now$23.83Time left:14d 23h 33m
Digital ph Orp Controller BNC Electrodes Redox mV CO2 O3 220V or 110V Generic
 
Buy It Now or Best Offer$106.90Time left:15d 19h 4m
Soil Moisture Meter & pH Level Tester for Plants Crops flowers Vegetable Garden
 
Buy It Now or Best Offer$40.15Time left:15d 20h 25m
7-in-1 Digital Water Quality Monitor Pool pH °C °F ORP EC CF TDS Meter Tester
 
Buy It Now or Best Offer$99.42Time left:15d 23h 30m
0.00~14.00PH Digital pH CO2 Controller Meter  Aquarium Fish Tank 110V or 220V
 
Buy It Now or Best Offer$86.90Time left:17d 3h 11m
Portable pH, Chlorine Swimming Pool Tester Water Quality Hydrotool Testing Kit
 
Buy It Now or Best Offer
$13.92
Free shipping
Time left:17d 19h 13m
Durable pH Electrode BNC 3m Cable Buffer Solutions Water Meter Tester Aquarium
 
Buy it now$20.38Time left:19d 0h 44m
pH Buffer Calibration Powder Solution Tester Meter 4.01, 7.00 10.01pH set
 
Buy it now
$5.70
Free shipping
Time left:20d 18h 44m
Portable Digital pH Level Meter Tester Spa Aquarium Hydroponic Pool 0-14pH ATC
 
Buy it now$12.60Time left:23d 20h 39m
CL2 Chlorine pH Level Meter Swimming Pool Checker Spa Water Quality Tester Tool
 
Buy It Now or Best Offer$23.90Time left:25d 18h 37m
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