UNI 321 Maintenance-Free Single Gas Detectors

The UNI 321 is a disposable, maintenance-free version of the UNI single gas monitor. It detects H2S, CO or O2 in a selection of models with operating lives of 24 months (MP102) or 36 months (MP103)*.

– Product Features:

• Size: 3.46 x 2.44 x 1.3 in (88 x 62 x 33 mm) Weight: 4.4 oz (125 g)
• UL/cUL: Class I, Div 1, Group A, B, C, D; Class II, Div 1, Group E, F, G; Class III, Div 1
• Temperature rating T4, -20°C ≤ Tamb ≤ +50°C
• Event logger
• IP rating: IP-67
• Large LCD, 30% larger than most
• Password protection
• Low, High, TWA & STEL alarms
• Six bright red flashing LEDs
• Two-point field calibration
• H₂S, CO and O₂ versions available
• Models MP103 for 3-year or MP102 for 2-year, displaying remaining operating life in months or alarm conditions (no concentration readout)
• Model MP102RT for 2-year (CO or H₂S only), displaying concentration readout and alarm conditions

– Detector Specifications

• Size: 3.46 x 2.44 x 1.3 in (88 x 62 x 33 mm)
• Weight: 4.4 oz (125 g)
• Temperature: -4°F to 122°F (-20°C to 50°C)
• Humidity: 5 to 95% relative humidity (non-condensing)
• MP102 & MP102:  Real-time concentration and alarm condition
• MP102RT: Real-time concentration and alarm condition
• Alarm Type: High alarm, Low alarm, Battery low alarm
• Alarm Signal: 90 dB @ 30 cm, Bright red LED, Built in vibrator
• Calibration: Manual: zero only, Docking Box and CaliCase: allow 2-point calibration – zero and span
• Event log: Up to 50 alarm events
• Response time (t90): 20 seconds
• IP rating: IP-67
• EMI/RFI: Compliant with EMC 2004/108/EC