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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
0 ~14.00 pH Meter Digital Water Quality Monitor Tester Hydroponic Aquarium Spa
 
Buy It Now or Best Offer$22.15Time left:6h 28m
7in1 Digital Water Quality Monitor Piscina pH °C °F ORP EC CF TDS Probador Metro
 
Buy It Now or Best Offer$100.41Time left:1d 7h 31m
Pen Type Digital pH Level Meter Tester Thermomete​r °C Hydrophonic Aquarium Spa
 
Buy It Now or Best Offer$27.08Time left:1d 7h 36m
3-in-1 ORP mV, PH, Temperature Meter Tester  w/ Replaceable pH & ORP Electrodes
 
Buy It Now or Best Offer$89.00Time left:1d 13h 25m
3-in-1  ORP mV, PH, Temperature Meter Tester w/ Replaceable pH & ORP Electrodes
 
Buy It Now or Best Offer$94.46Time left:1d 13h 27m
Waterproof Digital pH Meter Tester Hydroponics Aquariums Spa Thermometer Generic
 
0 Bids$23.50Time left:1d 13h 49m
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:1d 21h 1m
CL2 Chlorine pH Level Meter Swimming Pool Checker Spa Water Quality Tester Tool
 
Buy It Now or Best Offer$27.37Time left:1d 21h 2m
7-in-1 Digital Water Quality Monitor Pool pH °C °F ORP EC CF TDS Meter Tester
 
Buy It Now or Best Offer$97.49Time left:1d 21h 2m
Digital pH Meter Tester 2 Buffer Hydroponic Aquarium 14.00 pH Measuring Range
 
Buy it now$18.27Time left:1d 21h 48m
0~14.00 Pen Type pH Meter 12cm Long tube Hydrophonics Quality Control Measurer
 
Buy It Now or Best Offer
$47.15
Free shipping
Time left:1d 21h 48m
CL2 Chlorine pH Level Meter Swimming Pool Checker Spa Water Quality Tester Tool
 
Buy It Now or Best Offer$23.90Time left:2d 6h 43m
Pen Type Digital pH Level Meter Tester Thermomete​r (°C) Hydrophonic Spa Generic
 
Buy It Now or Best Offer$24.50Time left:2d 7h 47m
LCD Digital pH / Temp °C °F Meter IP65 Water Quality Tester w/ Auto Calibration
 
Buy It Now or Best Offer$24.90Time left:2d 10h 51m
Multi-Function Water Quality Tester Meter  EC CF TDS PH °C °F Hydroponic Generic
 
0 Bids$92.50Time left:2d 18h 26m
Digital ph Orp (2 in 1) Controller BNC Electrodes Redox mV CO2 O3 220V or 110V
 
Buy It Now or Best Offer$109.14Time left:3d 6h 6m
2in1 Digital pH & Temperature Meter Tester Thermometer °C °F Test Water w/ ATC
 
Buy It Now or Best Offer$42.25Time left:3d 6h 47m
2-in-1 Digital pH & Temperature Meter Tester Thermometer °C °F Test Water w/ ATC
 
Buy It Now or Best Offer$39.90Time left:3d 6h 47m
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:3d 7h 23m
Portable Digital pH Level Meter Tester Spa Aquarium Hydroponic Pool 0-14pH ATC
 
Buy It Now or Best Offer$13.70Time left:3d 7h 45m
LCD Digital pH / Temp °C °F Meter IP65 Water Quality Tester w/ Auto Calibration
 
Buy It Now or Best Offer$24.94Time left:3d 14h 37m
2-in-1 Digital pH & Temperature Meter Tester Thermometer °C °F Test Water w/ ATC
 
Buy It Now or Best Offer$39.30Time left:3d 14h 37m
pH Electrode BNC 3m Cable Water Meter Tester Aquarium + Buffer Solutions Generic
 
0 Bids$17.90Time left:3d 17h 34m
Digital pH Meter Tester 2 Buffer Hydroponic Aquarium
 
0 Bids$16.17Time left:4d 7h 59m
pH Buffer Calibration Powder Solution Tester Meter 4.01, 7.00 10.01pH set
 
0 Bids
$5.05
Free shipping
Time left:4d 12h 52m
Digital pH Level Meter Tester Spa Aquarium Hydroponic Pool 0-14pH ATC Generic
 
0 Bids$13.50Time left:4d 13h 27m
6-in-1 Multi-Function Water Quality Tester Meter  EC CF TDS PH °C °F  Hydroponic
 
0 Bids$97.08Time left:4d 14h 1m
CL2 Chlorine pH Level Meter Swimming Pool Checker Spa Water Quality Generic
 
0 Bids$22.90Time left:4d 23h 57m
Soil Moisture Meter & pH Level Tester for Plants Crops flowers Vegetable Garden
 
0 Bids$35.50Time left:5d 3h 39m
Portable Digital pH Meter 0.00~14.00pH Tester for Wine Hydrophonics Aquaculture
 
Buy It Now or Best Offer$14.80Time left:5d 12h 4m
7-in-1 Digital Water Quality Monitor Pool pH °C °F ORP EC CF TDS Meter Generic
 
0 Bids$87.00Time left:5d 12h 38m
14.00 pH Meter Digital Water Quality Monitor Tester Hydroponic Aquarium Generic
 
0 Bids$18.90Time left:5d 15h 27m
2in1 Digital pH ORP Controller Aquarium Pond Meter Tester Tool 1 Socket Generic
 
Buy It Now or Best Offer$89.90Time left:6d 6h 38m
2in1 Digital pH ORP Controller Aquarium Pond Meter Tester 1 Socket 220V or 110V
 
Buy It Now or Best Offer$102.62Time left:6d 6h 38m
pH Electrode BNC 70cm long Cable 2 x Buffer Calibration Solution 0.00~14.00pH
 
Buy It Now or Best Offer$19.41Time left:6d 6h 50m
Digital pH Controller Meter Tester + Replaceable BNC Electrode 220V/110V Generic
 
Buy It Now or Best Offer$89.90Time left:6d 7h 17m
New Digital pH Controller Meter Tester + Replaceable BNC Electrode  220V or 110V
 
Buy It Now or Best Offer$98.24Time left:6d 7h 17m
Portable pH, Chlorine and Bomine Tester Water Quality Hydrotool Testing Kit
 
Buy It Now or Best Offer
$10.90
Free shipping
Time left:6d 9h 11m
Digital pH Meter Tester Monitor w/ Replaceable BNC Electrode & Mounting Bracket
 
Buy It Now or Best Offer$29.09Time left:6d 9h 24m
Digital pH Temperature Meter High Accuracy ±0.05PH Water Quality Tester Generic
 
0 Bids$37.90Time left:6d 12h 57m
Pen Type Digital pH Level Meter Tester Thermomete​r °C Hydrophonic Aquarium Spa
 
0 Bids$22.50Time left:6d 13h 45m
Digital pH Meter Tester Monitor w/ Replaceable BNC Electrode & Mounting Bracket
 
0 Bids$24.50Time left:6d 14h 32m
4 in 1 Professional LCD Plant Soil pH Temperature Moisture Sunlight Meter Tester
 
0 Bids$17.90Time left:6d 15h 30m
Digital 14.00 pH Meter Tester 2 Buffer Hydroponic Aquarium Built-in ATC Generic
 
0 Bids$15.50Time left:6d 15h 55m
Professional PH Temperature Meter High Accuracy ±0.05PH Water Quality Tester
 
Buy It Now or Best Offer$42.25Time left:7d 9h 1m
Digital pH Temperature Meter High Accuracy ±0.05PH Water Quality Tester Aquarium
 
Buy It Now or Best Offer$44.75Time left:7d 9h 8m
Digital pH Temperature Meter High Accuracy ±0.05PH Water Quality Tester Aquarium
 
Buy It Now or Best Offer$39.90Time left:7d 9h 9m
Digital pH Pen Meter Tester 2 Buffer Hydroponic Aquarium 14.00 pH Range Generic
 
Buy It Now or Best Offer$16.90Time left:8d 7h 38m
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