For more information, call Western Safety Products at 206-264-0808 or email sales@westernsafety.com.

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| Features for above:
A: User selctable internal sampling pump/diffusion |
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Accessories: Included Accessories:
Optional Accessories:
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| Accuracy | O2 0.5% by volume. Toxics 2 PPM or 10% of applied gas concentration. Combustible 2% LEL or 5% FS. |
| Dimensions | 4.75” W x 3.00” H x 1.80” D. |
| Weight | 17.6 oz. |
| Operating Temperature Range | -20°C to+50°C (-4°F to +122°F). |
| Humidity Range | 0 to 95% (non-condensing). |
| Power Sources | Rechargeable NiMH battery pack or 4 AAA sized alkaline batteries. |
| Battery Life | NiMH: 13 hours. Alkaline: 10 hours. |
| Pump Modes | User selectable pump/diffusion operation. (Monitor will automatically change to diffusion mode if the pump should stop). |
| User Selections | Calibration. |
| Supervisor Selections | Date format, time and daylight savings, pump/diffusion, alarm types and auto zero mode. (Available on data logging software) - Language, immediate high and low alarm settings, data logging frequency, calibration gas levels and confidence beep change. |
| Alarm Outputs | Audible: >90 dB at 1’. Visual: Red LED flashing display characters. |
| Immediate Alarms | 2 supervisor-programmable immediate alarms per channel. |
| Data Logging | 2400 data points/channel with wrap-around memory. User selectable 1, 2, 3, 4, or 5 minute intervals (1 min. = 40 hours, 5 mins. = 200 hours). |
| Repeatability | ±2% |
| Approvals | UL classified Class I, II, III, Division 1, Groups A, B, C, D, E, F, G. CSA pending. |
| Warranty | Lifetime. Excludes sensors, batteries and pump. |
| The only microprocessor controlled multi-gas monitor that has it all easy to use, reliable, highest quality, economical, lightweight, shortest response time and a lifetime warranty. Designed to provide personal safety, the MicroMax + is OSHA compliant. Its rugged aluminum case provides superior RFI/EMI shielding, as well as dust , water and impact resistance. MicroMax + is designed, tested and manufactured under strict ISO 9001 quality systems, and is UL classified and CSA certification (pending) intrinsically safe for use in Class I, II, III, Division 1, Groups A, B, C, D, E, F and G areas. Worker safety is our business and Zellweger Analytics continually improves its gas detectors quality and features. MicroMax + simultaneously monitors 1 to 4 gases (5 with Combo-Tox). Our popular internal pump models allow for easy pre-testing in confined spaces and provide almost instaneous readings of gas concentrations. |
| The MicroMax + has many preset and field selectable alarms. The MicroMax + has user selectable TWA or immediate alarm modes. Both audible and visual alarms warn the user if oxygen levels are either too low or enriched, and when combustible or toxic gas levels are too high. The toxic gas alarms can be easily adjusted in the field from immediate to TWA. Alarms will also activate in case of sensor failure, low battery voltage, pump blockage or low air flow. Our unique microprocessor design allows for self diagnostics with each start up. MicroMax + internally data logs individual channel alarms, TWA averaging and peak information. Review information with a push of the "Mode" button. Battery voltage and time are displayed continuously. |
| Base Unit | # of Sensors | Gas | Range |
| MPLUS- | 5 | A = Oxygen (O2) | 0 - 40 % by volume |
| 4 | B = Combustible (LEL) | 0 - 100 % | |
| 3 | C = Carbon Monoxide (CO) | 0 - 999 ppm | |
| 2 | D = Hydrogen Sulfide (H2S) | 0 - 500 ppm | |
| 1 | E = Ammonia (NH3) | 0 - 200 ppm | |
| F = Chlorine (Cl2) | 0 - 20 ppm | ||
| H = Sulfur Dioxide (SO2) | 0 - 20 ppm | ||
| J = Phosphine (PH3) | 0 - 20 ppm | ||
| K = Nitrogen Dioxide (NO2) | 0 - 50 ppm | ||
| L = Hydrogen Cyanide (HCN) | 0 - 200 ppm | ||
| M = ComboTox (CO & H2S) | 0 - 500 ppm | ||
| Example: MPLUS-4ABCD indicates a MicroMax + 4-gas; Oxygen, Combustible, Carbon Monoxide, Hydrogen Sulfide
ComboTox sensor counts as two sensors Please order sensors alphabetically |
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