T40 II Rattler™ Portable Single Gas Monitor. T42-023221 H2S

Description

Rattler T42-023221 H2S Portable Single Gas Monitor

Model: T42-023221
Gas Type: Hydrogen Sulfide (H₂S)
Manufacturer: Industrial Scientific Corporation

Product Overview

Rattler T42-023221 H2S

The T40 II Rattler™ Portable Single Gas Monitor is a compact, rugged, and highly reliable personal gas detection device designed to monitor hydrogen sulfide (H₂S) in hazardous work environments. Hydrogen sulfide is an extremely toxic and potentially fatal gas commonly found in industries such as oil and gas, petrochemical processing, wastewater treatment, and mining. The Rattler T42-023221 H2S provides real-time monitoring and rapid alerting to protect workers from dangerous gas exposure.

Designed for durability and ease of use, the device features an intuitive two-button interface, a clear LCD display, and multiple alarm systems to ensure workers receive immediate warnings when gas concentrations exceed safe limits. With a sensor response time of less than 10 seconds, the monitor quickly detects rising gas levels so workers can evacuate or take corrective action before exposure becomes dangerous.

One of the most notable features of the Rattler T42-023221 H2S is its long-life replaceable lithium battery, which provides up to two years of continuous operation without requiring daily charging. This makes the monitor ideal for industrial applications where reliability and low maintenance are critical.

The device also includes visual, audible, and vibration alarms that activate when gas levels exceed configured safety thresholds such as Low Alarm, High Alarm, TWA (Time Weighted Average), and STEL (Short Term Exposure Limit). These multiple alarm modes ensure that workers can notice warnings even in noisy or low-visibility environments.

With a compact design and lightweight construction, the monitor can easily be clipped to a worker’s clothing, belt, or safety gear, allowing continuous monitoring throughout the workday. The rugged housing and high ingress protection rating ensure reliable performance even in harsh industrial environments with dust, moisture, or extreme temperatures.

Rattler T42-023221 H2S Key Features

• Single Gas Detection: Specifically designed for Hydrogen Sulfide (H₂S) monitoring.

• Ultra-Fast Response: Detects gas hazards in less than 10 seconds (T90 response time).

• Triple Alarm System: Visual LEDs, audible alarm (95 dB), and vibration alerts.

• Long Battery Life: Up to 2 years continuous runtime with replaceable lithium battery.

• Event & Data Logging: Records alarm and diagnostic events for safety compliance.

• Rugged Construction: Durable polycarbonate housing with rubber over-mold protection.

• Compact and Lightweight: Comfortable for continuous personal monitoring.

• Automatic Self-Test: Ensures the sensor and alarms are functioning properly.

• Global Certifications: Meets ATEX, IECEx, UL, CSA, and CE safety standards.

Rattler T42-023221 H2S Product Specifications

Gas Detection

• Gas Type: Hydrogen Sulfide (H₂S)

• Detection Range: 0 – 500 ppm

• Resolution: 0.1 ppm

• Sensor Technology: Electrochemical sensor

• Response Time: ≤10 seconds (T90)

Alarm System

• Visual Alarm: Two high-intensity red LEDs

• Audible Alarm: 95 dB sound alarm

• Vibration Alarm: Built-in vibration alert

• Alarm Types: Low, High, STEL, and TWA alarms

Display & Interface

• Display Type: Segment LCD display

• Controls: Two-button interface

• Indicators: Battery status, gas concentration, alarm indicators

Physical Specifications

• Dimensions: 82 × 60 × 27 mm

• Weight: Approximately 85 g

• Housing Material: Polycarbonate with protective rubber over-mold

• Ingress Protection: IP66 / IP68 (dustproof and water-resistant)

Environmental Conditions

• Operating Temperature: –40 °C to +50 °C

• Humidity Range: 5% to 95% non-condensing

• Maximum Altitude: Up to 5000 meters above sea level

Battery

• Battery Type: 3.6 V Lithium-thionyl chloride (Li-SOCl₂)

• Capacity: 1.5 Ah (2/3 AA size)

• Runtime: Up to 2 years depending on usage

• Battery Type: Replaceable primary battery

Data & Logging

• Event logging for alarm history

• Automatic self-diagnostic checks

• Calibration capability using standard calibration gas

Certifications & Approvals

• ATEX: Ex ia IIC T4 Ga

• IECEx: Ex ia IIC T4 Ga

• UL / CSA: Class I Division 1 Groups A, B, C, D

• CE Compliant

• Designed for hazardous industrial environments

Rattler T42-023221 H2S Applications

The T40 II Rattler H₂S Gas Monitor is widely used across industries where hydrogen sulfide exposure is a potential hazard. Typical applications include:

• Oil & Gas production and refineries

• Petrochemical plants

• Wastewater treatment facilities

• Mining operations

• Confined space entry

• Chemical processing plants

• Offshore drilling platforms

• Industrial maintenance and inspection

In these environments, the device serves as a critical personal safety instrument, continuously monitoring the atmosphere and alerting workers when toxic gas levels approach dangerous concentrations.

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