Joint Services Mask Leakage Tester
The JSMLT is a portable device designed to test the serviceability and fit of protective masks. The JSMLT will provide leak and serviceability testing of designated Nuclear, Biological and Chemical Defense (NBCD)/Chemical, Biological and Radiological Defense (CBR-D) masks and components without requiring the operator to wear the mask. The JSMLT will provide quantitative fit testing while an individual is wearing his/her assigned protective mask. The JSMLT can be set up in minutes and is completely self-contained in a rugged JSMLT Case. The JSMLT includes a universal clamping assembly, inflatable mask seal, and clamping adapters which allow it to be used to test multiple types of protective masks. The lightweight plastic headform is available in two sizes and can be quickly interchanged to accommodate a wide span of protective mask sizes. The JSMLT utilizes solid-state electronic circuitry with simple menu-driven touch pad controls and an alphanumeric display.
Application
(1) Mask Leakage Test – Detects leakage from protective masks, with or without an attached hose, and supports leak location using the probe function.
(2) Drink Tube Flow Test – Measures airflow resistance through the mask drink tube to identify possible flow obstruction.
(3) Drink Train Assembly Leakage Test – Checks leakage through the complete mask drinking assembly.
(4) Drink Valve Seat Test – Measures leakage at the drink tube coupling under applied air pressure.
(5) Outlet Valve Test – Checks leakage from the mask outlet valve.
(6) Quantitative Fit Test – Evaluates mask leakage while worn by an individual and provides a quantitative fit factor with pass/fail indication.
(7) Mask All Test – Sequentially performs the mask leakage, drink tube flow, drink train assembly, drink valve seat and outlet valve tests.
(8) All Test – Sequentially performs all functional tests together with the quantitative fit test.
Parameters
| Parameter | Specification |
|---|---|
| System Type | Portable mask leakage and fit testing system |
| Mask Testing | With or without attached hose |
| Quantitative Fit Testing | Supported |
| Headform | Lightweight plastic, two sizes |
| Clamping System | Universal clamping assembly |
| Mask Seal | Inflatable mask seal |
| Control | Menu-driven touch-pad controls |
| Display | Alphanumeric display |
| Leak Detection | Probe-assisted leak isolation |
| Main Components | Control unit, power unit, aerosol generator assembly, fit test kit |
| Case | Rugged, self-contained shippable case |
Features
(1) Portable Design – The complete system is housed in a rugged case for convenient transportation.
(2) Universal Clamping – The clamping assembly and adapters accommodate multiple protective mask types.
(3) Interchangeable Headforms – Two head sizes are available for different mask configurations.
(4) Leak Isolation – The probe function helps identify the location of mask leakage.
(5) Integrated Testing – Multiple mask, valve and drinking-system tests can be performed using one system.
(6) Self-Diagnostics – Built-in diagnostic functions help simplify system checks.
(7) Simple Operation – Menu-driven controls provide straightforward test selection and operation.
(8) Data Management – The system supports test data management for testing and reporting.
Accessories
(1) Universal Clamping Assembly
(2) Inflatable Mask Seal
(3) Clamping Adapters
(4) Two-Size Headform Set
(5) Aerosol Generator Assembly
(6) Fit Test Kit
(7) Rugged JSMLT Case
(8) Drink Tube Test Adapter
(9) QRLS Pin
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