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Gain Express Holdings Ltd Maintained by: gainexpress ( 27236) We are a professional supplier of all kinds of testing instruments based in Hong Kong. We supply a wide range of products w/ CE approval. Our factory is certified by EN ISO9001-2000 to insure that all our products and services are in accordance with international standards. www.gainexpress.com Check out www.gainexpress.com for more items, volume discounts and international shippings Store search in titles & description Store categories Store home NEW ENVIRONMENT INSTRUMENTS (50) Wholesale Lot (5) Microscope /Camera illuminator (29) GEM Identification Toolkit SET (20) Gem Tools / Testing Kits (109) Refractometer (Traditional) (72) Refractometer (New Design) (40) Refractometer (Built-in Light) (26) PH Meter / Tester / Electrode (168) 7-in-1 Multi-funcional Meter (4) 6-in-1 Multi-functional Meter (8) 3-in-1 ORP(MV) + PH + Temp (5) PenType pH Meter (Traditional) (11) Pen Type pH Meter + solutions (20) pH meter + Electrode +Solution (10) pH + FixedElectrode + solution (22) pH + Adaptor + Electrode (NEW) (6) PenType pH with Temperature (22) Pen Type pH + BNC Electrode (2) Waterproof Pen Type pH Meter (21) pH Electrode + 1 meter Cable (12) pH Electrode + 3 meter Cable (3) pH Controller (6) Soil pH Meter(Short Electrode) (5) Soil pH Meter (long Electrode) (9) Waterproof pH Stick Meter (2) EC / TDS / PPM Conductometers (69) ORP Meter / Tester (23) Salinity Meter (5) PH & PH/ORP(2 in 1) Controller (23) Fish finder & feeder (14) Ozone Generator (14) Thermometer (84) Digital Thickness Gauge/Meter (16) Digital Hardness Durometer (6) Anemometer / Lux / Light Meter (38) Sound & Temp / Moisture Meter (49) Fiber Optical Microscope (5) Vibration Meter (2) Tachometer & Stroboscope (27) Ultrasonic Cleaner (9) UV Light (2) Phase Sequence Tester (8) Cable Testers (6) Multimeter/MultiFunction Meter (25) Frequency Counter (6) Beschreibung auf Deutsch (86) Descrizione in Italiano (48) Description en Français (80) Descripción en español (70) Angle Finder/Protractor (26) Other (129) Show all subcategories Display Hide gallery view View time left Store pages About the seller Hot Items Featured items * New Products !!! * View: All Items | Buy It Now 153 results found View as:Gallery Sort by:Time: newly listed Shipping to USA Digital pH Meter Monitor w/ Replaceable Electrode Probe $25.90 Listed:Nov-12 02:55 New Design LONG PH ELECTRODE BNC 1m CABLE + SOLUTIONS $26.82 Listed:Nov-12 02:36 New Design LONG PH ELECTRODE BNC 1m CABLE + SOLUTIONS $26.82 Listed:Nov-12 02:36 PH ELECTRODE , BNC , 1m CABLE + 2 CALIBRATION SOLUTIONS $15.90 Listed:Nov-12 02:34 PH ELECTRODE , BNC , 1m CABLE + 2 CALIBRATION SOLUTIONS $15.90 Listed:Nov-12 02:34 Waterproof pH meter Tester with Temperature + Auto Cal. $27.90 Listed:Nov-11 19:44 Digital pH Meter Monitor w/ replaceable electrode Probe $25.90 Listed:Nov-11 19:44 Salinity Refractometer + PH / Thermometer Meter °C °F $47.90 Listed:Nov-11 19:42 High Accuracy pH Meter + 2 Solution, Aquarium, Tester $18.90 Listed:Nov-11 19:42 Premium Salinity Refractometer + pH Meter +Thermometer $47.90 Listed:Nov-11 19:42 7-in-1 Meter Tester ORP , PH, CF, EC, TDS (PPM) °F °C $89.00 Listed:Nov-11 19:42 WATERPROOF DIGITAL PH METER TESTER, Temperature °C °F $24.90 Listed:Nov-11 19:42 WATERPROOF DIGITAL PH METER TESTER, Thermometer °C °F $24.90 Listed:Nov-11 19:42 Waterproof pH meter w/ °C °F + Auto Calibration BIG LCD $31.61 Listed:Nov-11 19:40 3-in-1 ORP mV, PH, TEMPERATURE METER TESTER + Battery Including 2 electrodes, 1 PH and 1 ORP Electrode $101.16 Listed:Nov-11 07:54 WATERPROOF DIGITAL PH METER TESTER for AQUARIUM WATER d $28.27 Listed:Nov-11 02:37 WATERPROOF DIGITAL PH METER TESTER for AQUARIUM WATER $29.90 Listed:Nov-11 02:35 WATERPROOF DIGITAL PH METER TESTER for AQUARIUM WATER a $29.90 Listed:Nov-11 02:35 WATERPROOF DIGITAL PH METER TESTER for AQUARIUM WATER c $37.03 Listed:Nov-11 02:35 Digital pH Monitor Meter Tester + 2 Buffer solutions $22.90 Listed:Nov-11 02:33 New Design pH ELECTRODE BNC 1m CABLE + BUFFER SOLUTIONS $26.82 Listed:Nov-11 02:31 Waterproof pH/Temperature Meter Auto Calibration °C/ °F $24.90 Listed:Nov-10 23:53 Soil pH & Moisture Meter Tester, Plant Tree Vegetable $19.90 Listed:Nov-10 18:39 High Accuracy pH Meter + 2 Solution, Aquarium, Tester $18.90 Listed:Nov-10 18:36 Enlarge PH ELECTRODE + BNC + 1m CABLE + 2 CALIBRATION SOLUTIONS $16.56 Listed:Nov-10 18:34 Digital pH Meter Monitor w/ replaceable electrode Probe $28.27 Listed:Nov-10 18:34 Digital pH Monitor Meter Adaptor Free Buffer solutions $26.60 Listed:Nov-10 18:32 Soil ph moisture meter tester long electrode accurate $23.90 Listed:Nov-10 03:01 Waterproof pH meter w/ Temperature Auto Cal. + PH4,7,10 $24.90 Listed:Nov-10 03:01 Soil pH & Moisture Meter Tester Plants Crops flowers $21.90 Listed:Nov-09 19:46 Page 1 of 6 Previous 1|2|3|4|5|6|7 Next Go to page

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