Gain Express

Your Trusted Partner for Reliable Lab Solutions

Product List

ORP Redox Meter for Water Testing & Labs

Water Testing ORP Meter

Product Review Score

4.61 out of 5 stars

110 reviews

$28.90

Gain Express ORP Redox Meter for Water Testing

Gain Express ORP Meter

Product Review Score

4.78 out of 5 stars

201 reviews

$26.90

Pocket-Sized 6-in-1 Water Quality Tester Kit

6-in-1 Water Tester Kit

Product Review Score

4.27 out of 5 stars

226 reviews

$143.90

Portable Dissolved Oxygen Meter with Large LCD Display

Portable Oxygen Meter - Large Display

Product Review Score

4.99 out of 5 stars

133 reviews

$182.90

USB Temperature Data Logger for Humidity and Pressure

Temperature & Humidity Logger

Product Review Score

4.64 out of 5 stars

182 reviews

$69.99

4-Channel Digital Thermocouple Thermometer with SD Card

4-Channel Thermocouple Thermometer

Product Review Score

4.47 out of 5 stars

55 reviews

$134.90

2-in-1 pH & Temperature Monitor with Backlight

pH & Temp Monitor with Light

Product Review Score

4.58 out of 5 stars

122 reviews

$34.90

Clinical Refractometer with ATC for Serum & Urine

ATC Clinical Refractometer

Product Review Score

4.38 out of 5 stars

19 reviews

$22.90

Digital K Type Thermocouple Thermometer for HVAC

K Type Thermocouple Thermometer

Product Review Score

4.68 out of 5 stars

70 reviews

$29.90

Portable Dissolved Oxygen Meter with Floating Probe

Dissolved Oxygen Meter, Portable

Product Review Score

4.23 out of 5 stars

28 reviews

$128.69

Wearable 2-in-1 WBGT & Heat Index Meter

Wearable WBGT & Heat Meter

Product Review Score

4.9 out of 5 stars

95 reviews

$45.99

Gain Express ORP Redox Meter Tester with Calibration

Gain Express ORP Meter

Product Review Score

4.16 out of 5 stars

174 reviews

$17.90