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Gain Express Holdings Ltd Maintained by: gainexpress ( 27632) 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 (4) pH Meter (3) Gem Identification Tools (1) Microscope /Camera illuminator (29) 48 LED Bulbs (3) 48 LED Bulbs (74mm Diameter) (3) 48 LED (White/Red/Blue/Green) (3) 54 LED Bulbs (3) 60 LED Bulbs (4) 80 LED with (70 mm Diameter) (3) 144 LED - 61mm 4 Zone Control (3) Fiber Optic illuminator (7) GEM Identification Toolkit SET (22) Set A (3 items /set) (2) Set B (4 items /set) (2) Set C (3 items /set) (1) Set D (4 items /set) (1) Set E (9 items /set) (1) Set F (7 items /set) (1) Set G (8 items /set) (1) Set H (8 items /set) (1) Set K (3 items /set) (1) Set L (4 items /set) (1) Set JEM-II + JEM-III (7) Set N (9 items /set) (2) Set P (8 items /set) (1) Gem Tools / Testing Kits (114) Gem Refractometers (10) Refractometer (Traditional) (3) Refractometer (New Design) (7) Prism Spectroscope (1) Diffraction Spectroscope (4) Dichroscope (3) Handheld Polariscope + Torch (3) Desktop Polariscope 110V-230V (2) Darkfield Loupe + Torch (1) Diamond Tester (9) MOISSANITE / DIAMOND TESTER (13) Loupe (44) w/ LED (19) 10x - 20x (7) 30x 21mm (12) 10x 25mm (3) 40x w/ LED pen light (3) Chelsea Filter (2) Ruby Filter (2) Portable Mini Microscope (2) Identification Kit Set (14) RI Index Fluid (2) Desktop LED Light (2) UV Light (2) Refractometer (Traditional) (67) Brix 0-18% ATC (Low Sugar,CNC) (3) US$ (1) GBP (£) (1) AU$ (1) Brix 0-32% ATC (Sugar etc) (7) US$ (3) GBP (£) (1) AU$ (3) Brix 0-80% (Sugar etc) (5) Brix 58-90% ATC (Honey) (4) US$ (2) GBP (£) (1) AU$ (1) Salinity (Salt / Aquarium) (27) Clinical / Serum / Protein (5) AL 0-25/Brix 0-40 Grape Wine (5) Alcohol 0-80% (Wine) (1) Oe Oechsle(Oe°) Brix 0-32% (1) Oe Oechsle(Oe°) Brix 0-44% (3) Gems Refractometer Traditional (3) Gem Refractometer Built-in LED (3) Refractometer (New Design) (38) Brix 0-10% ATC (Sugar etc) (2) Brix 0-32% ATC (Sugar etc) (5) US$ (2) GBP (£) (3) Brix 58-90% ATC (Honey) (5) US$ (2) GBP (£) (1) AU$ (2) Salinity (Salt / Aquarium) (9) US$ (2) GBP (£) (4) AU$ (3) Clinical / Serum / Protein (2) AL 0-25 / Brix 0-40 Grape Wine (7) US$ (4) GBP (£) (1) AU$ (2) Antifreeze / Battery °F (5) US$ (5) Antifreeze / Battery °C (3) GBP (£) (2) AU$ (1) Refractometer (Built-in Light) (27) Brix 0-32% ATC (Sugar etc) (6) US$ (3) GBP (£) (2) AU$ (1) Brix 58-90% ATC (Honey) (7) Salinity (Salt / Aquarium) (5) US$ (3) GBP (£) (1) AU$ (1) AL 0-25 / Brix 0-40 Grape Wine (5) Antifreeze / Battery °F (1) US$ (1) Antifreeze / Battery °C (3) US$ (1) GBP (£) (1) AU$ (1) PH Meter / Tester / Electrode (156) 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) (5) PenType pH with Temperature (20) Pen Type pH + BNC Electrode (2) Waterproof Pen Type pH Meter (13) pH Electrode + 1 meter Cable (12) pH Electrode + 3 meter Cable (3) pH Controller (6) Soil pH Meter(Short Electrode) (4) Soil pH Meter (long Electrode) (9) Waterproof pH Stick Meter (2) EC / TDS / PPM Conductometers (66) 3-in-1 EC/ CF /TDS Waterproof (5) 6-in-1 Multi-functional Meter (6) TDS - PenType Meter 0-1999ppm (6) TDS - Monitor + Power Adaptor (3) TDS - PenType Waterproof (9) EC -PenType Meter 0~19.99ms/cm (6) EC - PenType Waterproof ms/cm (6) EC - PenType Meter 0~1999us/cm (6) EC - PenType Waterproof us/cm (7) EC/ PPM /CF - Nutra-Wand Stick (12) ORP Meter / Tester (23) 7-in-1 Multi-funcional Meter (3) Pen Type ORP Meter (5) ORP Meter + Power Adaptor (3) 3-in-1 (ORP/ PH / Temperature) (9) ORP Electrode (3) Salinity Meter (4) PH & PH/ORP(2 in 1) Controller (23) Fish finder & feeder (15) Ozone Generator (14) Traditional Desgin 200mg/hr (6) Newl Desgin 500mg/hr (8) Thermometer (91) Infrared ( IR ) Non-Contact (55) Digital Aquarium Thermometer (10) Two K-Type w/ 2 Thermocouples (12) Hygro-Thermometer (14) Digital Thickness Gauge/Meter (17) Coating Thickness Gauge/Meter (11) Ultrasonic Thickness Gauge (6) Digital Hardness Durometer (6) Shore A (3) Shore D (2) Shore C (1) Anemometer / Lux / Light Meter (43) 50,000 + 3 Range (6) 100,000 + 3 Range (6) 200, 000 + 4 Range (7) 90,000 Lux + auto range w/ ftc (4) Anemometer (20) Sound & Temp / Moisture Meter (46) 4 PIN Wood Moisture Meter (10) Temperature & Humidity Meter (10) Sound Level Meter (12) Scanner/PinType Moisture Meter (4) Any Grain Moisture Meter (9) Sound Level Calibrator (1) Fiber Optical Microscope (6) Tachometer & Stroboscope (26) Tachometer (19) Stroboscope (7) Ultrasonic Cleaner (8) Angle Finder/Protractor (28) Phase Sequence Tester (8) Cable Testers (6) Multimeter/MultiFunction Meter (25) Vibration Meter (2) Frequency Counter (5) Beschreibung auf Deutsch (87) Descrizione in Italiano (48) Description en Français (81) Descripción en español (71) Other (132) Hide all subcategories Display Hide gallery view View new listed Store pages About the seller Hot Items Featured items * NEW ITEMS !!! * View: All Items | Buy It Now 25 results found View as:Gallery Sort by:Time: ending soonest Shipping to USA Tweezers Digital Capacitance Multimeter Meter R / C SMD $24.57 Time left:1d 0h 53m Tweezers Digital Capacitance Multimeter Meter R / C SMD $23.54 Time left:1d 20h 44m R/C/D Auto Scan Tweezers Digital Multimeter Meter SMD $27.90 Time left:1d 21h 0m Digital Multimeter Battery Test AC / DC Voltage Meter $10.90 Time left:10d 13h 25m Digital Multimeter Battery Test AC / DC Voltage Meter $10.90 Time left:11d 14h 7m Digital MultiFunction Multimeter + Software & USB cable $43.70 Time left:15d 8h 45m Digital Multimeter Battery Test AC / DC Voltage Meter $14.45 Time left:19d 11h 10m 5-in-1 Digital Multimeter with LUX, dB, °C, RH, AC, DC $51.71 Time left:19d 13h 39m Digital MultiFunction Autorange Multimeter w/ CD & USB $43.70 Time left:20d 12h 36m Digital Multimeter Battery Test AC / DC Voltage Meter $14.45 Time left:20d 15h 35m Digital Multimeter Battery Test AC / DC Voltage Meter $13.03 Time left:21d 19h 53m R/C/D Auto Scan Tweezers Digital Multimeter Meter SMD $32.63 Time left:22d 12h 34m 5-in-1 Digital Multimeter with LUX, dB, °C, RH, AC, DC $43.90 Time left:22d 12h 44m 5-in-1 Digital Multimeter with LUX, dB, °C, RH, AC, DC $43.50 Time left:22d 12h 45m 5-in-1 Digital Multimeter with LUX, dB, °C, RH, AC, DC $43.90 Time left:24d 10h 49m 5-in-1 Digital Multimeter with LUX, dB, °C, RH, AC, DC $49.31 Time left:25d 19h 17m Digital MultiFunction Autorange Multimeter w/ CD & USB $44.99 Time left:26d 10h 19m Digital MultiFunction Autorange Multimeter w/ CD & USB $39.90 Time left:28d 23h 17m Tweezers Digital Capacitance Multimeter Meter R / C SMD $21.90 Time left:28d 23h 17m R/C/D Auto Scan Tweezers Digital Multimeter Meter SMD $27.87 Time left:29d 0h 13m Tweezers Digital Capacitance Multimeter Meter R / C SMD $24.57 Time left:29d 0h 13m Digital MultiFunction Multimeter + Software & USB cable $39.90 Time left:29d 0h 14m Digital Multimeter Battery Test AC / DC Voltage Meter $10.90 Time left:29d 0h 14m 5-in-1 Sound + Multimeter with LUX, dB, °C, RH, AC, DC $43.50 Time left:29d 12h 38m Digital MultiFunction Multimeter + Software & USB cable $44.99 Time left:29d 12h 39m Page 1 of 1 Previous 1|2|3|4|5|6|7 Next Go to page

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