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Protege ZM Single Gas Monitor is an easy-to-use, zero maintenance gas detection solution that delivers high performance in a small, ergonomically designed package. It is available in oxygen, carbon monoxide and hydrogen sulphide single gas models. This single gas monitor is incredibly reliable, giving industrial workers and first responders the confidence to focus on the task at hand, not on their equipment.
The ZM stands for 'Zero Maintenance' which means no battery charging or calibration is required. The Prot?g? ZM monitor has been designed to provide two years of gas detection without charging or calibration, under typical conditions.
Gas indication is via a direct-reading backlit LCD, multiple bright LEDs, a loud audible alarm and a vibratory alarm. The monitor includes a downloadable data log for twenty-five (25) events, recording exposures, calibrations, and gas values. The Prot?g? ZM monitors the atmosphere for potentially hazardous levels of gases. Three types are available: Hydrogen Sulfide (H2S), Carbon Monoxide (CO), and Oxygen (O2).
In the absence of gas, the LCD displays life remaining. If gas is present, the display automatically shows the gas concentration and a battery icon.To activate the monitor, press and hold the front button for about five (5) seconds. On activation, the monitor vibrates, flashes and sounds an audible alarm. A successful activation will display 24 months of life remaining.
FEATURES
O2, Co and H2S Models.
Zero maintenance.
Hibernation mode on the CO and H2S models for up to one year additional operating life.
Custom or factory-programmed alarm set points.
User configurable bump and calibration reminders.
Multiple LCD display options including real-time gas readings, monitor life remaining, or both.
Three point alarms (audible, visual and tactile).
Data-logging capabilities.
Name or assign monitors using a six-character user ID.
Configurable using the IR Connect Module and software.
Monitor Types
Gas
Hibernation Mode Option1
Factory Default Alarm Set Points2
Oxygen (O2)
No
Low = 19.5%
High = 23.5%
Hydrogen Sulfide (H2S)
Yes
Low = 10 PPM
High = 15 PPM
Carbon Monoxide (CO)
Yes
Low = 35 PPM
High = 200 PPM
1 Hibernation mode fully switches off the monitor to extend battery life. This can only be performed with the IR Connect software or Test Station. When a device is hibernated, the event log is cleared.
2 Customer may change these set points using IR Connect after delivery. To display alarm set points, press the monitor’s button. Monitors may be ordered with custom alarm set points.
PROT?G? ZM Specifications
Monitor Specifications
Battery life
2 years, assuming a maximum 4 minutes of alarm time per day.
Alarms
Visual, vibrating, & audible (95 dB).
Tests
Self-test on activation and every 20 hours.
Continuous, automatic battery tests.
Data log
Lasts 25 events.
Housing
Thermoplastic Elastomer (TPE).
Hydrogen Sulfide (H2S)
IFOV (spatial resolution)
1.31 mRad, D:S 753:1
Field of view
24 °H x 17 °V
Minimum focus distance
15 cm (approx. 6 in)
IR-Fusion® technology
Picture-in-picture and full screen
Carbon Monoxide (CO)
IFOV (spatial resolution)
1.31 mRad, D:S 753:1
Field of view
24 °H x 17 °V
Minimum focus distance
15 cm (approx. 6 in)
IR-Fusion® technology
Picture-in-picture and full screen
Oxygen (O2)
IFOV (spatial resolution)
1.31 mRad, D:S 753:1
Field of view
24 °H x 17 °V
Minimum focus distance
15 cm (approx. 6 in)
IR-Fusion® technology
Picture-in-picture and full screen
Certification
EMC compliance
CE marked; EMC/EMI/RFI compliant.
Explosive atmospheres
ETL/CETL certification to UL 913 7th, CSA c22.2 No. 157 For use in Class I Division 1 & 2, Groups A, B, C and D
Hazardous areas; IECEX Ex ia IIC T4 GA; Atex Directive (94/9/EC) Atex II 1 G Ex ia IIC T4 GA.
Approvals
CE mark includes both Atex & EMC testing
UL: Class 1, Div 1 Groups A, B, C, D T4, CSA: Class 1, Div 1 Groups A, B, C, D T4,
ATEX: Ex d ia IIC T4, IECEx: (pending), INMETRO: BR-Ex d ia IIC T4, -20°C ? Tamb ? +50°C
IP 67 Rated: 3rd-party tested for compliance, EMC: EMC Directive (2004/108/EC) CE Mark.
General Specifications
Dimensions
3.7" H X 2.2" W X 1.3" D (94 X 56 X 33mm).
Weight
2.7oz. (76g).
Intrinsically Safe Approved Temperature Range
H2S: -40°F to +122°F (-40°C to +50°C)
CO: -22°F to +122°F (-30°C to +50°C)
O2: -58°F to +122°F (-50°C to +50°C)
This differs from the operating temperature range.
Operating Temperature Range
H2S, CO, and O2: 14°F to +122°F (-10°C to +50°C)
Outside this temperature range, reduced performance or alarm functionality may occur.
Operating Humidity
5% to 95% RH, non-condensing.
*Factory defaults can be changed.
For more information on GMI Protege ZM Single Gas Monitor talk to Cuthbertson Laird Group
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