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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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76 results found in PH Meters / Controllers
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Picture [hide]Item titlePriceTime Left
pH ELECTRODE BNC 70cm long Cable 2 x Buffer Calibration Solution 0.00~14.00pH
 
Buy It Now or Best Offer$20.35Time left:1d 3h 20m
2in1 Soil pH Level and Moisture Meter Tester Plants Crops Flowers
 
0 Bids$35.50Time left:1d 5h 1m
Digital pH Meter Tester Water Quality Monitor 14.00 pH Range Hydroponic Aquarium
 
0 Bids$18.90Time left:1d 10h 0m
CL2 Chlorine pH Level Meter Swimming Pool Checker Spa Water Quality Tester
 
0 Bids$22.90Time left:1d 11h 52m
Professional PH meter Temperature High Accuracy ±0.05PH
 
0 Bids$37.90Time left:1d 12h 54m
Digital pH Meter Tester Monitor w/ Replaceable BNC Electrode & Mounting Bracket
 
0 Bids$24.50Time left:1d 15h 49m
DURABLE pH ELECTRODE BNC 3m Cable Water Meter Tester Aquarium + Buffer Solutions
 
0 Bids$17.90Time left:1d 20h 43m
7-in-1 Digital WATER QUALITY MONITOR Pool pH °C °F ORP EC CF TDS Meter Tester
 
0 Bids$87.00Time left:1d 21h 4m
4 in 1 Plant SOIL SURVEY INSTRUMENT pH Temperature Moisture Sunlight Light Meter
 
0 Bids$17.90Time left:2d 0h 45m
Professional PH meter Temperature High Accuracy ±0.05PH
 
Buy It Now or Best Offer$44.29Time left:2d 5h 32m
Professional PH meter Temperature High Accuracy ±0.05PH
 
Buy It Now or Best Offer$39.90Time left:2d 5h 39m
pH Powder Calibration Solution 4.00, 7.00 10.00pH set
 
0 Bids
$4.90
Free shipping
Time left:2d 12h 28m
6-in-1 Multi-Function Water Quality Tester Meter  EC CF TDS PH °C °F  Hydroponic
 
0 Bids$92.50Time left:2d 15h 22m
6-in-1 PEN TYPE WATER QUALITY TESTER pH ORP Conductivity TDS Temp. Salinity IP57
 
0 Bids$95.90Time left:2d 16h 53m
Waterproof Digital pH Meter Tester  Hydroponics Aquariums Spa Thermometer °C/°F
 
0 Bids$23.50Time left:2d 19h 58m
Digital pH Meter Tester 2 Buffer Hydroponic Aquarium 14.00 pH Measuring Range
 
Buy It Now or Best Offer$16.90Time left:3d 4h 8m
Waterproof pH Stick Meter Tester Dipstick Hydroponic Tank Pool Pond 42cm Long
 
Buy It Now or Best Offer$27.20Time left:3d 4h 32m
4 in 1 Plant Soil Survey Instrument pH Temperature Moisture Sunlight Light Meter
 
Buy it now$18.90Time left:3d 5h 37m
2-in-1 Waterproof Digital pH Meter Tester Temperature °C °F ±0.05 Accuracy
 
0 Bids$37.90Time left:3d 9h 22m
2-in-1 Waterproof DIGITAL pH METER TESTER Temperature °C °F Water Test  w/ ATC
 
0 Bids$37.90Time left:3d 9h 42m
Digital pH Meter Tester Thermomete​r Temperatur​e (°C)
 
0 Bids$22.50Time left:3d 14h 39m
Digital pH Monitor Tester 14.00 pH Range Aquariums w/ Rechargeable Meter Adaptor
 
0 Bids$32.90Time left:3d 15h 44m
Digital pH Meter Tester Thermomete​r Temperatur​e (°C)
 
0 Bids$22.50Time left:3d 15h 48m
Digital pH Meter Tester 2 Buffer Hydroponic Aquarium
 
0 Bids$15.50Time left:3d 16h 36m
DIGITAL PH METER Handheld Tester Spa Aquarium Hydroponic Pool 0-14pH ATC
 
0 Bids$13.50Time left:3d 17h 2m
Digital pH Meter Tester Water Quality Monitor 14.00 pH Range Hydroponic Aquarium
 
Buy It Now or Best Offer$19.90Time left:4d 6h 8m
Medidor de Ph y Temperatura Piscina Probador + PH4,7,10
 
Buy It Now or Best Offer$25.16Time left:4d 8h 14m
Digital pH Meter Tester Monitor w/ Replaceable BNC Electrode & Mounting Bracket
 
Buy It Now or Best Offer$27.19Time left:6d 4h 9m
pH BUFFER POWDER SOLUTION MEASURE CABLIBRATION 4.00, 7.00 10.00pH set Test Meter
 
0 Bids
$5.80
Free shipping
Time left:7d 11h 26m
6-in-1 Multi-Function Water Quality Tester Meter  EC CF TDS PH °C °F  Hydroponic
 
0 Bids$101.75Time left:7d 12h 35m
6-in-1 PEN TYPE WATER QUALITY TESTER pH ORP Conductivity TDS Temp. Salinity IP57
 
0 Bids$107.57Time left:7d 12h 43m
Waterproof pH Temperature meter Tester °C °F + Big LCD
 
0 Bids$26.51Time left:7d 23h 15m
6-in-1 PEN TYPE WATER QUALITY TESTER pH ORP Conductivity TDS Temp. Salinity
 
Buy It Now or Best Offer$103.09Time left:8d 3h 36m
6-in-1 PEN TYPE WATER QUALITY TESTER pH ORP Conductivity TDS Temp. Salinity IP57
 
Buy it now$109.28Time left:8d 3h 36m
6-in-1 Pen Type Water Quality Tester pH ORP Conductivity TDS Temp. Salinity IP57
 
Buy it now$97.90Time left:8d 3h 36m
Digital pH Meter Tester Water Quality Monitor 14.00 pH Range Hydroponic Aquarium
 
Buy It Now or Best Offer$23.77Time left:8d 4h 12m
Digital pH Meter Tester 2 Buffer Hydroponic Aquarium
 
0 Bids$19.15Time left:8d 14h 20m
2-in-1 Waterproof DIGITAL pH Meter Tester Temperature °C °F Test Water w/ ATC
 
Buy It Now or Best Offer$42.12Time left:10d 4h 16m
Digital pH/Temperature Meter 3-Point Auto Calibration °C or °F, Waterproof IP67
 
Buy It Now or Best Offer$26.51Time left:12d 3h 49m
Waterproof pH Temperature meter Tester °C °F + Big LCD
 
Buy It Now or Best Offer$27.19Time left:15d 4h 27m
Digital pH Monitor Tester 14.00 pH Range Aquariums w/ Rechargeable Meter Adaptor
 
Buy It Now or Best Offer$35.74Time left:16d 2h 59m
Digital pH Meter Tester Water Quality Monitor 14.00 pH Range Hydroponic Aquarium
 
Buy It Now or Best Offer$21.11Time left:16d 3h 45m
New Digital pH Controller Meter Tester + Replaceable BNC Electrode  220V or 110V
 
Buy It Now or Best Offer$95.60Time left:17d 3h 33m
Digital ph Orp (2 in 1) Controller BNC Electrodes Redox mV CO2 O3 220V or 110V
 
Buy It Now or Best Offer$106.90Time left:17d 3h 40m
Digital ph Orp (2 in 1) Controller BNC Electrodes Redox mV CO2 O3 220V or 110V
 
Buy It Now or Best Offer$112.47Time left:17d 3h 40m
Soil pH Level & Moisture Meter Tester Plants Crops flowers Vegetable Garden
 
Buy It Now or Best Offer$36.50Time left:17d 5h 0m
Soil pH Level & Moisture Meter Tester Plants Crops flowers Vegetable Garden
 
Buy It Now or Best Offer$36.77Time left:17d 5h 0m
 7-in-1 Digital WATER QUALITY MONITOR Pool pH °C °F ORP EC CF TDS Meter Tester
 
Buy It Now or Best Offer$99.02Time left:17d 8h 6m
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