WatchGas UNI Sustainable O2 Single Gas Detector


(GST 18% Exclusive)

50 in stock


WatchGas UNI Sustainable O2 Single-Gas is a lightweight and easy to use the device for the detection of O2 gas, with a convenient portable approach. The UNI is constructed of solid, durable material to provide protection in harsh environments. The unit is designed to provide the most compatible with all types of materials.

Applications : (Petro)chemical plants and factories, Tank storage parks, Wastewater treatment facilities, Mining industry, Construction sites, Food, and beverage industry.

WatchGas UNI Sustainable O2 Single-Gas Detector provides a simple mobile solution for the detection of  O2 toxic gas. The UNI offers the highest readability in the field with a large LCD display. The alarm notification is unmistakable from six light red LEDs and a high beeper. Also with several layers of protective cleaning, it remains simple in your hand with an inflatable, rounded surface for optimum service.

Features of WatchGas UNI Sustainable O2 Single-Gas Detector :

  • About 2 and 5 years of service, depending on the sensor.
  • The Perfect LCD.
  • Protection of password.
  • The alarms are low, high, TWA & STEL.
  • Six brilliant red LEDs, a noisy acoustic bell, a vibrating bell.

Additional information

Weight 1 kg



UNI Sustainable

Measuring Parameters

Oxygen O2 Gas


0 to 25 %VOL


0.1 %VOL


0 to 30 %VOL


0.1 %VOL



Operating Temperature

-20°C to 50°C

Operating Humidity

5 to 95% RH, non-condensing

Alarm Type

High alarm, Low alarm, STEL alarm, TWA alarm, adjustable. Over range alarm, battery low alarm

Alarm Signal

90 dB beeper; 6 bright red LEDs ;Built-in vibration alarm


2-point calibration, zero and span. Poweron zero calibration with user confirmation.

IP rating


Response Time T90

20 sec (CO/H2S/O2)


Replaceable AA Lithium battery for 3 years
of operation (typical)

Sensor life

2 years or longer

Safety Certifications

UL/cUL: Class I, Div 1, Group A, B, C, D
Class II, Div 1, Group E, F, G
Class III, Div 1 T4, -20° C ≤ Tamb ≤ +50° C
ATEX: II 1 G Ex ia IIC T4 Ga
EN 60079-0:2012/A11:2013
DS/EN 60079-11:2012
-20° C ≤ Tamb ≤ +50° C


1 Year Manufacturer Warranty


88 X 62 X 33 mm, 3.46 X 2.44 X 1.3”


125 g, 4.4 oz

Be the first to review “WatchGas UNI Sustainable O2 Single Gas Detector”


There are no reviews yet.


Main Menu

CO Single Gas Detector

WatchGas UNI Sustainable O2 Single Gas Detector


(GST 18% Exclusive)

Add to cart