SST1E 2-3 year Maintenance-Free
The WatchGas SST1E Maintenance-Free delivers up to three years of reliable single-gas detection with no charging, calibration, or battery replacement required.
- Up to 3 Years Maintenance-Free – No charging, calibration, or battery replacement required.
- Reduced Operating Costs – Eliminates maintenance downtime and hidden service costs.
- Reliable Protection in Harsh Environments – IP65/68-rated housing designed for demanding industrial conditions.
- Simplified Fleet Management – NFC connectivity enables fast setup, event logging, and compliance tracking.
- Immediate Hazard Awareness – Large display and 95 dB alarms provide clear alerts in noisy environments.
Description
The SST1E Maintenance-Free is a compact and rugged single-gas detector designed for simple operation, maximum uptime, and reliable industrial safety monitoring. Featuring gel-based electrochemical sensor technology, IP65/68 protection, NFC connectivity, and a high-visibility display, the SST1E is built for demanding industrial environments where durability and ease of use are critical.
Designed to run continuously for up to three years without charging or maintenance, the SST1E helps reduce downtime, simplify compliance management, and lower operational costs across oil & gas, maintenance, marine, mining, and industrial applications. Integrated NFC functionality allows users to manage bump tests, event logs, and compliance tracking through the WatchGas Device Link App.
Product information
Built for Critical Industrial Applications
- Oil & Gas Operations – Reliable single-gas monitoring for hazardous and high-risk environments.
- Contractors & Turnarounds – Maintenance-free operation minimizes downtime during shutdowns and temporary projects.
- Mining & Power Generation – Rugged IP65/68 protection supports demanding industrial conditions.
- Shipping & Marine Operations – Compact and durable design suited for confined and humid environments.
- Site Maintenance & Laboratories – Easy-to-use operation reduces training requirements and simplifies compliance.
| Size | 83 X 49 Z 24 mm / 3.3 x 1.9 x 0.9 in |
| Weight | 90 g / 3.2 oz |
| Operating temperature | -40 ~ +60 °C / -40 ~ +140 °F |
| Humidity | 5 ~ 95% r.h. (non-condensing) |
| Response time T90 (sec) | H2S: < 20 CO: < 20 O2: < 20 SO2: < 45 |
| Battery life | 2 year: H2S, CO, O2, SO2: 2 years* 3 year: H2S or CO: up to 3 years* * = dependent on gas alarms |
| Event logging | Last 100 events |
| IP | 65/68 |
| Communication | NFC |
| Shelf life | 1 year |
| Certifications and approvals | ATEX, IECEX, UKEX : II 1 G Ex ia IIC T4 Ga I M1 Ex ia I Ma |
| North America: Int.Safe: Cl I Dv 1, Gr A,B,C,D T4 Cl I Zn 0, AEx ia IIC T4 Ga UL 61010-1, CAN/CSA-C22.2 NO. 61010-1-12/A1:18, UL 60079-0, UL 60079-11, CSA 60079-0, CSA 60079-11 | |
| EMC Directive 2014/30/EU | |
| (PESO) Ex ia IIC T4 Ga | |
| (Korea) Ex ia IIC T4 | |
| (Brazil) Ex ia I Ma Ex ia IIC T4 Ga | |
| (ABS Type Approved) 24-00T2542343-1-PDA | |
| Warranty | One year shelf life, then two or three years from activation date depending on device type (based on 2 min of alarm per day for 2 years or 1 min of alarm per day for 3 years). |
-
Single gas
-
Cost effective
SST1/SST1E 2 & 3 Year Models 
The WatchGas SST1/SST1E maintenance-free single gas detectors deliver reliable protection with zero maintenance and low cost of ownership. Compact, rugged, and always on, they provide continuous operation for 2 or 3 years without charging, calibration, or sensor replacement.
-
Single gas
-
Serviceable
SST1/SST1E Serviceable Models
WatchGas SST1/SST1E serviceable single gas detectors combine compact design, long battery life, and low operating costs with the flexibility of replaceable sensors and batteries. Designed for industrial operations, they provide reliable protection across a wide range of gas applications.
-
1 to 5-Gas Detection
-
Compact & Lightweight
5-Gas SST5
Meet the new WatchGas SST5 - the next generation of compact multi-gas detection. Designed for maximum comfort and reliable protection, the SST5 delivers powerful 1 to 5-gas monitoring in an ultra-lightweight design with fast sensor response, long runtime, and industry-leading visibility and alarm performance.