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Gain Express Holdings Ltd Maintained by: gainexpress ( 27660) 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 (54) 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 (112) Gem Refractometers (11) Refractometer (Traditional) (3) Refractometer (New Design) (8) 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 (42) w/ LED (18) 10x - 20x (7) 30x 21mm (11) 10x 25mm (3) 40x w/ LED pen light (3) Chelsea Filter (1) Ruby Filter (2) Portable Mini Microscope (2) Identification Kit Set (14) RI Index Fluid (2) Desktop LED Light (2) Dental Loupes (11) 2.5x (4) 3.5x (4) 6.0x (3) UV Light (2) Refractometer (Traditional) (70) 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 (6) Alcohol 0-80% (Wine) (2) Oe Oechsle(Oe°) Brix 0-32% (1) Oe Oechsle(Oe°) Brix 0-44% (3) Gems Refractometer Traditional (3) Gem Refractometer Built-in LED (4) Refractometer (New Design) (40) Brix 0-10% ATC (Sugar etc) (2) Brix 0-32% ATC (Sugar etc) (6) US$ (2) GBP (£) (3) AU$ (1) Brix 58-90% ATC (Honey) (6) US$ (3) 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 (166) 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 (21) pH meter + Electrode +Solution (10) pH + FixedElectrode + solution (23) pH + Adaptor + Electrode (NEW) (8) PenType pH with Temperature (21) Pen Type pH + BNC Electrode (2) Waterproof Pen Type pH Meter (16) 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 (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 (5) PH & PH/ORP(2 in 1) Controller (23) Fish finder & feeder (14) Ozone Generator (14) Traditional Desgin 200mg/hr (6) Newl Desgin 500mg/hr (8) Thermometer (102) Infrared ( IR ) Non-Contact (64) Digital Aquarium Thermometer (11) Two K-Type w/ 2 Thermocouples (13) 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 (42) 50,000 + 3 Range (6) 100,000 + 3 Range (6) 200, 000 + 4 Range (6) 90,000 Lux + auto range w/ ftc (4) Anemometer (20) Sound & Temp / Moisture Meter (49) 4 PIN Wood Moisture Meter (11) Temperature & Humidity Meter (10) Sound Level Meter (12) Scanner/PinType Moisture Meter (4) Any Grain Moisture Meter (10) Sound Level Calibrator (2) Fiber Optical Microscope (6) Tachometer & Stroboscope (27) Tachometer (20) Stroboscope (7) Ultrasonic Cleaner (8) Angle Finder/Protractor (28) Phase Sequence Tester (8) Cable Testers (6) Multimeter/MultiFunction Meter (28) Vibration Meter (2) Frequency Counter (6) Beschreibung auf Deutsch (86) Descrizione in Italiano (49) Description en Français (82) Descripción en español (71) Other (137) Hide all subcategories Display Gallery view View new listed Store pages About the seller Hot Items Featured items * NEW ITEMS !!! * View: All Items | Buy It Now 26 results found View as:List Sort by:Time: ending soonest Picture [hide] Item title Price Time Left Gooseneck Fiber Optic Microscope Illuminator Light Pipe with FREE 5 Color Filters + 1 Halogen Bulb + 2 Fuses $199.00 10h 54m DUAL Pipe Gooseneck FIBER OPTIC MICROSCOPE ILLUMINATOR Great Value ! With FREE HALOGEN BULB + 2 FUSES in extra $169.00 22h 11m Gooseneck Fiber Optic Microscope Illuminator Light NEW With FREE 5 Color Filters + 1 Halogen Bulb + 2 Fuses $255.38 1d 14h 31m 80 LED Camera Microscope Ring Light Illuminator lamp Super Bright, Warm White, 70mm Diameter, Multi-Purpose $80.41 3d 10h 31m 80 LED Camera Microscope Ring Light Illuminator lamp Super Bright, Warm White, 70mm Diameter, Multi-Purpose $118.08 4d 15h 11m DUAL METAL PIPE FIBER OPTIC MICROSCOPE ILLUMINATOR Great Value! With FREE HALOGEN BULB + 2 FUSES in extra $162.47 5d 7h 25m 80 LED Camera Microscope Ring Light Illuminator lamp CE $89.00 6d 0h 17m 60 LED Microscope Ring Light Illuminator Lamp ESD NEW Durable, Long life time, with 3 years warranty, w/ ESD $76.00 6d 16h 41m 60 LED Microscope Ring Light Illuminator Lamp ESD NEW Durable, Long life time, with 3 years warranty, w/ ESD $76.00 6d 16h 46m Gooseneck Fiber Optic Microscope Illuminator Light Pipe with FREE 5 Color Filters + 1 Halogen Bulb + 2 Fuses $211.70 7d 6h 5m 144 LED RING LIGHT ILLUMINATOR w/ 4 ZONE CONTROL 61mm $93.38 7d 13h 54m 60 LED Microscope Ring Light Illuminator Lamp ESD NEW Durable, Long life time, with 3 years warranty, w/ ESD $78.61 8d 2h 38m DUAL Pipe Gooseneck FIBER OPTIC MICROSCOPE ILLUMINATOR Great Value ! With FREE HALOGEN BULB + 2 FUSES in extra $169.00 9d 16h 7m CAMERA MICROSCOPE ILLUMINATOR LED RING LIGHT 74mm dia c $57.27 12d 9h 23m 144 LED RING LIGHT ILLUMINATOR w/ 4 ZONE CONTROL 61mm $98.86 14d 10h 1m 60 LED Microscope Ring Light Illuminator Lamp ESD NEW Durable, Long life time, with 3 years warranty, w/ ESD $72.31 15d 13h 12m CAMERA MICROSCOPE ILLUMINATOR LED RING LIGHT 74mm dia $59.00 17d 15h 29m CAMERA MICROSCOPE ILLUMINATOR LED RING LIGHT 74mm dia $72.31 17d 19h 51m 48 LED Microscope Ring Light Illuminator Lamp camera $63.16 18d 1h 18m 48 LED Microscope Ring Light Illuminator Lamp Camera $49.90 19d 13h 42m 54 LED Microscope Ring Light Illuminator Lamp, Camera $59.00 20d 13h 10m 48 LED Microscope Ring Light Illuminator, Lamp camera $52.35 22d 20h 42m 54 LED Microscope Ring Light Illuminator Lamp, Camera $62.20 24d 17h 44m 54 LED Microscope Ring Light Illuminator Lamp, Camera $63.16 24d 17h 45m 144 LED RING LIGHT ILLUMINATOR w/ 4 ZONE CONTROL 61mm $89.90 28d 14h 16m DUAL METAL PIPE FIBER OPTIC MICROSCOPE ILLUMINATOR Great Value! With FREE HALOGEN BULB + 2 FUSES in extra $237.08 28d 23h 45m Page 1 of 1 Previous 1|2|3|4|5|6|7 Next Go to page

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