UNI SUSTAINABLE

Sustainable Single Gas Detector (available for over 28 different gases!)

The UNI Sustainable is a sustainable single gas detector that offers a simple portable solution for a wide array of toxic gases and O2 (Oxygen) applications. The monitors have a large LCD screen, providing maximum readability in the field. These monitors are equipped with six bright red LEDs, allowing quick alarm notification. Constructed of strong and durable material, the UNI Sustainable is designed to be comfortable, yet drop resistant. The UNI series can easily be bump tested and calibrated with the WatchGas UNI Mono/Multi Dock.

  • 28 sensor options - 31 models available;
  • Between 2 and 5 year operation time, depending on the sensor;
  • Large LCD, 30% larger than most gas detectors;
  • Size: 3.46 x 2.44 x 1.3 (88 x 62 x 33 mm);
  • Weight: 4.4 oz (125);
  • Event logger;
  • IP-68;
  • Password protection;
  • Six bright red flashing LEDs;
  • Low, High, TWA & STEL alarms.

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Size 88mm (W) x 62mm (H) x 33mm (D)
Weight 125g
Sensor Technology 34 electrochemical sensors options
Temperature -20°C ~ +50°C 
Humidity 5% ~ 95% RH (non-condensing)
Alarm Type High Alarm, Low Alarm, TWA Alarm, STEL Alarm, Over Range Alarm, Battery Low Alarm, Bumptest and Calibration due notification
Alarm Signal Acoustic: 95 dB @ 30cm
Visual: Red flashing LEDs
Vibration: Vibration
Display LCD Display
Calibration 2-point calibration, zero and span. Power-on zero calibration with user confirmation
Event Log Up to 50 alarm events
Battery Replaceable 3.6AA Lithium battery for 3 years of operation
Measurement Diffusion
Housing Polycarbonate and rubber
Response Time T90

15 sec (CO/H2S/O2)

Other gases vary (TN4: Sensor Technical Data Summeries)

Accuracy Deviation 2-3%
IP-Rating IP68
EMI/RFI Compliant with EMC 2014/30/EU
Safety Certifications UL: Class 1, 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 1G Ex ia IIC T4 Ga
IECEX: Ex ia IIC T4 Ga
CE: Conformite Europeenne
Sensor Life CO/H2S: 5 years
Other Sensors: 1 to 2 years as per warranty
Warranty 2 years for UNI Sustainable with O2, H2S, CO, SO2, HCN, NO, NO2 or PH3 sensor
1 year for UNI sustainable with other sensors

Model Detectable Gas Ranges Resolution Article Number
CO 0-500ppm
0-1000ppm
0-2000ppm
1ppm
1ppm
1ppm
M001-0002-W00
M001-0023-W00
M001-0026-W00
H2S 0-50ppm
0-100ppm
0-200ppm
0-1000ppm
0.1ppm
0.1ppm
0.1ppm
1ppm
M001-0003-W00
M001-0054-W00
M001-0057-W00
M001-0060-W00
O2 0-25%vol
0-30%vol
0.1%vol
0.1%vol
M001-0032-W00
M001-0001-W00
O2 Lead Free 0-25%vol
0-30%vol
0.1%vol
0.1%vol
M001-0094-W00
M001-0095-W00
O2 Inerting Alarms 0-25%vol 0.1%vol M001-0093-W00
SO2 0-20ppm
0-100ppm
0.1ppm
0.1ppm
M001-0007-W00
M001-0091-W00
Cl2 0-50ppm 0.1ppm M001-0004-W00
NO 0-250ppm 1ppm M001-0015-W00
NO2 0-20ppm 0.1ppm M001-0011-W00
H2 0-1000ppm
0-2000ppm
1ppm
1ppm
M001-0018-W00
M001-0019-W00
PH3 0-20ppm 0.01ppm M001-0016-W00
ETO 0-100ppm
0-200ppm
0.1ppm
0.1ppm
M001-0012-W00
M001-0069-W00
NH3 0-100ppm
0-500ppm
1ppm
1ppm
M001-0006-W00
M001-0090-W00
ClO2 0-1ppm 0.01ppm M001-0072-W00
O3 0-5ppm 0.01ppm M001-0009-W00
HF 0-20ppm 0.1ppm M001-0014-W00
HCl 0-15ppm 0.1ppm M001-0008-W00
HCN 0-100ppm 0.1ppm M001-0005-W00
CH3SH 0-10ppm 0.1ppm M001-0077-W00
THT 0-40ppm 0.1ppm M001-0085-W00
C2H4O 0-20ppm 0.1ppm M001-0080-W00
AsH3 0-1ppm 0.01ppm M001-0092-W00
COCl2 0-1ppm 0.01ppm M001-0020-W00

*Check datasheet for mg/m3 detectable gas ranges and resolutions.

Manufacturer Watchgas
Lifetime: 1 or 2 Years
Available Sensors:
CO, H2S, O2, SO2, Cl2, NO, NO2, H2, PH3,
Ethylene Oxide (ETO), NH3, ClO2, O3, HF, HCl,
HCN, CH3SH, THT, Acetaldehyde (C2H4O),
AsH3, COCl2