If liquid butane gas (cigarette lighter fuel) is available at site we strongly recommend the use of this bunsen burner

Dimensions: (W x D x H): 120 x 75 x 65 mm. Weight: 400g

with 2 LED's for control of power and vacuum

one button operation only

Flow rate: approx. 3 l/min

high quality portable, battery operated pH meter

with a measuring range 0-14 ph : 0.01 pH

protective casing and built-in electrode holder

Conforms to ISO 9308-1 designed for extreme ambient conditions

automatic battery check feature

microprocessor-controlled with large-format graphical display.

Infrared interface for test data transfer, RJ45 socket forInternet updates

LEDs, interference filters (IF) and photo sensor in transparent sample chamber
Wavelength range:
1 = 530 nm IF ∆ λ = 5 nm
2 = 560 nm IF ∆ λ = 5 nm
3 = 610 nm IF ∆ λ = 6 nm
4 = 430 nm IF ∆ λ = 5 nm
5 = 580 nm IF ∆ λ = 5 nm
6 = 660 nm IF ∆ λ = 5 nm
IF = interference filter

Wavelength Accuracy ± 1 nm

Photometric Accuracy 2% FS (T = 20°C–25°C)

compact conductivity meter,battery operated

with a measuring range 0.001 – 1.999 / 0.01 – 19.99 mS/cm

protective casing and built-in electrode holder

designed for extreme ambient conditions

temperature compensation feature

infrared light source 90°, LCD, battery operated

measuring range : 0.2 to 2000 NTU in 4 ranges

for use with various media, from drinking water to waste water

600 tests without battery charge

complete with 4 turbidity standards and test vial in case