MRU Instruments 681000 Gas Detector 400GD, Basic Unit (without sensor)
- Part #:681000
- Model #:400GD
- Condition:Brand New



Overview
The MRU Instruments 681000 400GD Multifunction Gas Detector Basic Unit offers unparalleled flexibility in gas detection, allowing professionals to customize their measurement capabilities with interchangeable sensor heads. This compact and versatile device is designed for a wide range of applications, from gas leak detection to air quality monitoring and infrared temperature measurement. Its modular design enables users to adapt to various measurement needs by simply swapping sensor heads. This unit provides a robust and adaptable solution for professionals who need to detect various gases, measure stack moisture, identify refrigerant leaks, monitor air quality, and even measure infrared temperature.
This basic unit addresses the need for a customizable gas detection solution that can adapt to various measurement requirements. It replaces the need for multiple single-purpose gas detectors, streamlining equipment management and reducing costs. The 400GD features a user-friendly interface with adjustable alarm thresholds, multiple alarm indicators, and a long-lasting rechargeable Lithium-Ion battery. Its flexible sensor neck allows access to hard-to-reach areas, ensuring comprehensive leak detection and measurement.
Customers benefit from the device's ability to detect various gases and measure multiple parameters by simply changing sensor heads. The clear digital display and multiple alarm indicators enhance safety and ease of use. The long-lasting battery ensures extended operation, and the Mini-USB charging port provides convenient recharging. The compact and lightweight design makes it easy to carry and use in various environments. The flexible sensor neck allows access to hard-to-reach areas, ensuring thorough measurements.
The 400GD is engineered to provide reliable and accurate gas detection and measurement. Its durable construction ensures consistent performance in various environments. The device's fast response time allows for quick leak detection and measurement. The user-friendly interface simplifies operation, and the adjustable alarm thresholds enable customized alerts. The device's compatibility with various sensor heads, including those for CH4, C3H8, H2, refrigerants, CO, CO2, stack moisture, indoor climate, and infrared temperature, makes it a highly versatile tool.
Key Features
- Interchangeable Sensor Heads: Adaptable for various gas types and applications.
- Versatile Applications: Gas leak detection, stack moisture testing, refrigerant leak detection, air quality monitoring, and infrared temperature measurement.
- Flexible Sensor Neck: Access to hard-to-reach areas.
- User-Friendly Interface: Clear display with adjustable alarm thresholds.
- Multiple Alarm Indicators: Optical, acoustic, and vibration alarms.
- Long-lasting Battery: Rechargeable Lithium-Ion battery with Mini-USB charging.
- Compact and Lightweight: Easy portability.
- Durable Construction: Reliable operation in various environments.
- Fast Response Time: Quick leak detection.
- Comprehensive Measurement Options: Compatible with sensors for various gases and parameters.
Specifications
Model: 681000 400GD Basic Unit (without sensor).
Sensor Compatibility: Various MRU sensor heads (sold separately).
Display: Clear digital display with adjustable alarm thresholds.
Alarms: Optical, acoustic, and vibration alarms.
Power Supply: Rechargeable Lithium-Ion battery, Mini-USB charging.
Applications
The MRU Instruments 681000 400GD Gas Detector is ideal for professionals in various fields, including HVAC technicians, plumbers, gas fitters, industrial safety officers, and building inspectors. It is used for gas leak detection, stack moisture testing, refrigerant leak detection, air quality monitoring, and infrared temperature measurement. For example, an HVAC technician can use this device with a refrigerant sensor to detect leaks in air conditioning systems. A plumber can use it with a CH4 sensor to pinpoint gas leaks in residential settings. An industrial safety officer can use it with an air quality sensor to monitor workplace environments.
Building inspectors can use this device to assess indoor air quality and identify potential hazards. The device is also suitable for use in laboratories and research facilities where precise gas measurements are critical. The modular design and interchangeable sensor heads make it a versatile tool for diverse applications.
Performance and Characteristics
The MRU Instruments 681000 400GD Gas Detector provides reliable and accurate gas detection and measurement. Its fast response time ensures quick leak detection, and its durable construction ensures consistent performance in various environments. The device's user-friendly interface simplifies operation, and the adjustable alarm thresholds enable customized alerts. The long-lasting battery and Mini-USB charging port ensure extended operation and convenient recharging.
Additional Information
This basic unit is designed to be highly adaptable, allowing users to customize their gas detection capabilities with various sensor heads. The device's modular design and interchangeable sensor heads make it a versatile tool for diverse applications. The robust construction and durable materials ensure reliable performance in demanding environments. The user-friendly interface and comprehensive features make it an essential tool for gas detection professionals. The device's compatibility with various sensor heads, including those for CH4, C3H8, H2, refrigerants, CO, CO2, stack moisture, indoor climate, and infrared temperature, makes it a highly versatile tool.
Kit Contents
- MRU Instruments 681000 400GD Gas Detector Basic Unit (without sensor).
- Carrying case.
Experience ultimate flexibility in gas detection with the MRU Instruments 681000 400GD Multifunction Gas Detector Basic Unit. Customize your measurements today!

- Accessories
- You May Also Like
- Your Recently Viewed
- Reviews
Rel. humidity during operation, non-condensing | 95% |
Display | 45 mm (1.8") TFT |
Interface (Charging/firmware updates) | Mini-USB |
Built-in battery, operating time (depending on sensor) | Li-Ion, type 20 h |
Operating conditions | 41 ... 122 °F (+5 ... +50 °C) |
Storage conditions | -4 ... 140°F (-20 ... +60 °C) |
Power supply / consumption | 100 ... 240 V, 5 V DC, 500 mA |
Protection class | IP30 |
Dimensions (W x H x D) | 1.97" x 5.31" x 1.38" (50 x 135 x 35 mm) |
Weight | appr. 8 ounces (230 g) |
Leave a review of this product!
If you've used this product, please leave a review to tell us and other customers what you thought about it. Get paid up to $16 for submitting one of the first text, photo, or video reviews for this item. Please contact us for more details.
Write a text review
Earn $2.00Post a product photo
Earn $4.00Post a product video
Earn $10.00