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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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88 results found in PH Meters / Controllers
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Picture [hide]Item titlePriceTime Left
New Digital pH Controller Meter Tester + Replaceable BNC Electrode  220V or 110V
 
Buy It Now or Best Offer$95.03Time left:5h 13m
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:5h 20m
Digital ph Orp (2 in 1) Controller BNC Electrodes Redox mV CO2 O3 220V or 110V
 
Buy It Now or Best Offer$112.77Time left:5h 20m
Soil pH Level & Moisture Meter Tester Plants Crops flowers Vegetable Garden
 
Buy It Now or Best Offer$36.50Time left:6h 40m
Soil pH Level & Moisture Meter Tester Plants Crops flowers Vegetable Garden
 
Buy It Now or Best Offer$36.55Time left:6h 40m
 7-in-1 Digital WATER QUALITY MONITOR Pool pH °C °F ORP EC CF TDS Meter Tester
 
Buy It Now or Best Offer$98.43Time left:9h 46m
6-in-1 Multi-Function Water Quality Tester Meter  EC CF TDS PH °C °F  Hydroponic
 
Buy It Now or Best Offer$94.50Time left:10h 48m
2-in-1 Waterproof DIGITAL pH METER TESTER Temperature °C °F Water Test  w/ ATC
 
0 Bids$37.90Time left:11h 51m
2-in-1 Waterproof Digital pH Meter Tester Temperature °C °F ±0.05 Accuracy
 
0 Bids$37.90Time left:11h 56m
Waterproof Digital pH Meter Tester Hydroponics Aquariums Spa Thermometer °C/°F
 
Buy It Now or Best Offer$28.73Time left:12h 28m
pH BUFFER POWDER SOLUTION MEASURE CABLIBRATION 4.00, 7.00 10.00pH set Test Meter
 
0 Bids
$5.76
Free shipping
Time left:13h 24m
6-in-1 PEN TYPE WATER QUALITY TESTER pH ORP Conductivity TDS Temp. Salinity IP57
 
0 Bids$106.93Time left:14h 29m
6-in-1 Multi-Function Water Quality Tester Meter  EC CF TDS PH °C °F  Hydroponic
 
0 Bids$101.15Time left:14h 45m
Digital pH Meter Tester Thermomete​r Temperatur​e (°C)
 
0 Bids$22.50Time left:16h 59m
Digital pH Monitor Tester 14.00 pH Range Aquariums w/ Rechargeable Meter Adaptor
 
0 Bids$32.90Time left:18h 4m
Digital pH Meter Tester Thermomete​r Temperatur​e (°C)
 
0 Bids$22.50Time left:18h 9m
Digital pH Meter Tester 2 Buffer Hydroponic Aquarium
 
0 Bids$15.50Time left:19h 38m
DIGITAL PH METER Handheld Tester Spa Aquarium Hydroponic Pool 0-14pH ATC
 
0 Bids$13.50Time left:20h 28m
Waterproof pH Temperature meter Tester °C °F + Big LCD
 
0 Bids$26.35Time left:1d 1h 6m
Waterproof Digital pH Meter Tester  Hydroponics Aquariums Spa Thermometer °C/°F
 
Buy It Now or Best Offer$24.90Time left:1d 5h 7m
Waterproof pH Stick Meter Tester Dipstick Hydroponic Tank Pool Pond 42cm Long
 
Buy It Now or Best Offer$25.90Time left:1d 11h 31m
Digital pH Meter Tester Thermomete​r Temperatur​e (°C)
 
Buy it now$27.03Time left:1d 11h 44m
DIGITAL pH CO2 CONTROLLER METER  Aquarium Fish Tank 110V or 220V
 
Buy It Now or Best Offer$86.90Time left:1d 13h 26m
Digital pH Meter Tester 2 Buffer Hydroponic Aquarium
 
0 Bids$19.04Time left:1d 16h 5m
pH ELECTRODE BNC 70cm long Cable 2 x Buffer Calibration Solution 0.00~14.00pH
 
Buy It Now or Best Offer$18.90Time left:2d 5h 30m
Digital pH Monitor Tester 14.00 pH Range Aquariums w/ Rechargeable Meter Adaptor
 
Buy It Now or Best Offer$34.50Time left:2d 6h 5m
Digital pH CO2 Controller Meter Aquarium 110V or 220V + Calibration Solutions
 
Buy It Now or Best Offer$91.70Time left:3d 4h 43m
Digital pH Meter Tester Monitor w/ Replaceable BNC Electrode & Mounting Bracket
 
Buy It Now or Best Offer$26.50Time left:3d 5h 50m
pH Buffer Powder Solution Measure Calibration 4.00, 7.00 10.00pH set Test Meter
 
Buy it now
$5.93
Free shipping
Time left:5d 5h 0m
pH Buffer Powder Solution Measure Calibration 4.00, 7.00 10.00pH set Test Meter
 
Buy it now
$4.99
Free shipping
Time left:5d 5h 0m
Digital pH/Temperature Meter 3-Point Auto Calibration °C or °F, Waterproof IP67
 
Buy It Now or Best Offer$23.90Time left:5d 5h 18m
2in1 Soil pH Level and Moisture Meter Tester Plants Crops Flowers
 
0 Bids$35.50Time left:5d 7h 24m
Digital pH Meter Tester Water Quality Monitor 14.00 pH Range Hydroponic Aquarium
 
0 Bids$18.90Time left:5d 13h 1m
Professional PH meter Temperature High Accuracy ±0.05PH
 
0 Bids$37.90Time left:5d 15h 36m
CL2 Chlorine pH Level Meter Swimming Pool Checker Spa Water Quality Tester
 
0 Bids$22.90Time left:5d 15h 39m
Digital pH Meter Tester Monitor w/ Replaceable BNC Electrode & Mounting Bracket
 
0 Bids$24.50Time left:5d 18h 3m
DURABLE pH ELECTRODE BNC 3m Cable Water Meter Tester Aquarium + Buffer Solutions
 
0 Bids$17.90Time left:6d 0h 13m
7-in-1 Digital WATER QUALITY MONITOR Pool pH °C °F ORP EC CF TDS Meter Tester
 
0 Bids$87.00Time left:6d 0h 29m
4 in 1 Plant SOIL SURVEY INSTRUMENT pH Temperature Moisture Sunlight Light Meter
 
0 Bids$17.90Time left:6d 3h 51m
DURABLE pH ELECTRODE BNC 3m Cable Buffer Solutions Water Meter Tester Aquarium
 
Buy It Now or Best Offer$19.90Time left:6d 5h 18m
DURABLE pH ELECTRODE BNC 3m Cable Buffer Solutions Water Meter Tester Aquarium
 
Buy It Now or Best Offer$21.93Time left:6d 5h 18m
pH Powder Calibration Solution 4.00, 7.00 10.00pH set
 
0 Bids
$4.90
Free shipping
Time left:6d 15h 44m
6-in-1 Multi-Function Water Quality Tester Meter  EC CF TDS PH °C °F  Hydroponic
 
0 Bids$92.50Time left:6d 18h 11m
6-in-1 PEN TYPE WATER QUALITY TESTER pH ORP Conductivity TDS Temp. Salinity IP57
 
0 Bids$95.90Time left:6d 19h 16m
Waterproof Digital pH Meter Tester  Hydroponics Aquariums Spa Thermometer °C/°F
 
0 Bids$23.50Time left:6d 22h 48m
7in1 Digital Water Quality Monitor Piscina pH °C °F ORP EC CF TDS Probador Metro
 
Buy it now$93.94Time left:9d 5h 40m
Digital pH Meter Tester Thermomete​r Temperatur​e (°C)
 
Buy It Now or Best Offer$25.86Time left:9d 5h 46m
3-in-1 ORP mV, PH, TEMPERATURE METER TESTER w/ Replaceable pH & ORP Electrodes
 
Buy It Now or Best Offer$89.00Time left:9d 11h 35m
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