By wearing the Tango™ TX1 Portable gas detector, your workers will be the safest single gas monitor users in the world. A 2-year runtime and patent pending DualSense™ Technology increases worker safety, regardless of bump test frequency, while reducing overall costs.
*Based on iNet® data including more than 2 million bump tests and 100,000 unique sensors.
The Tango incorporates revolutionary patent pending DualSense™ Technology, which was developed to address one of the biggest challenges facing single gas instrument users - bump testing instruments to ensure they are properly detecting gas and alarming. DualSense Technology includes two of the same type sensor for detection of a single gas. The two sensor readings are processed through a proprietary algorithm and displayed as a single reading to the user.
Learn how DualSense Technology increases gas detector reliability.
Guaranteed for Life™. Warranted for as long as the instrument is supported by Industrial Scientific Corporation (excludes sensors, batteries, and filters). CO and H2S sensors are warranted for 3 years. All other sensors are warranted for 2 years.
Segment liquid crystal display (LCD)
Case top: Polycarbonate with a protective rubber overmold
Case bottom: Conductive polycarbonate
Three strobe-emitting visual alarm LEDs (two red; one blue);
100 decibel (dB) audible alarm at a distance of 10 cm (3.94"); Vibration alarm
99 x 51 x 35 mm (3.9" x 2.0" x 1.4")
126.0 g (4.4 oz.)
-40°C to +50°C (-40°F to +122°F)
15%-95% Non-condensing (continuous)
CO, CO/H2, H2S, NO2, SO2 - Electrochemical sensor technology
Sensor Measuring Ranges:
Carbon Monoxide (CO): 1 to 1,000 ppm in 1 ppm increments
Carbon Monoxide (CO/H2 low): 0.0 to 1,000.0 ppm in 1 ppm increments
Hydrogen Sulfide (H2S): 0.0 to 200.0 ppm in 0.1 ppm increments
Nitrogen Dioxide (NO2): 0.0 to 150.0 ppm in 0.1 ppm increments
Sulfur Dioxide (SO2): 0.0 to 150.0 ppm in 0.1 ppm increments
3.6 V Primary lithium-thionyl chloride (Li-SOCl2); 1.5AH, 2/3AA; replaceable;
non rechargeable; always on; up to 2-year run time depending on operating conditions
3 months at 10-second intervals
60 alarm events
Ex ia I Ma; Ex ia IIC T4 Ga;
Equipment Group and Category: I M1 and II 1G
Class I, Groups A B C D T4; Ex ia IIC T4
Ex ia I Ma; Ex ia IIC T4 Ga
Class I, Groups A B C D T4; Class II, Groups E F G;
Class I, Zone 0, AEx ia IIC T4
-20°C to +50°C (-4°F to +122°F)
Ex ia IIC T4 Ga
Ex ia I Ma; H2S, CO
Ex ia IIC T4
PO Ex ia I X; 0 Ex iX IIC T4 X
These specifications are based on performance averages and may vary by instrument.
Tango TX1, CO
Tango TX1, H2S
Tango TX1, NO2
Tango TX1, SO2
Tango TX1, CO/H2low
DSX™ Docking Station for Tango TX1
Soft nylon case, Black
Soft nylon case, Orange
Dust barrier kit, 5 pack
Water barrier kit, 5 pack
CalCup and tubing kit
AlarmAmp™, Safety Orange
*Accessto data from the iNet DS docking station requires a subscription to iNet oriNet InSite.
*DSX Docking Station Kits Include: Choice of Standalone or Cloud-connected 3-port DSX docking station, 116L calibration gas (appropriate mix) with demand flow regulator with iGas® pressure switch, North American power cord, USB storage device (Standalone only).