UNI 321 - Maintenance Free Single Gas Detectors
H2S, CO and O2 available

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Order Information

GasRangeModelPart Nr.
H2S0.1 -100ppmMP101
MP102
MP103
13.02.09.0179
13.02.09.0183
13.02.09.0185
CO1 -500ppmMP101
MP102
MP103
13.02.09.0173
13.02.09.0175
13.02.09.0177
O20.1 -30%VolMP101
MP102
MP103
13.02.09.0187
13.02.09.0189
13.02.09.0191
  • 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, Overrange, Low Battery Alarms
  • Six bright red flashing LEDs
  • Two-point field calibration
  • H2S, CO and O2 versions available
  • Models: MP103 for 3-year, MP102 for 2-year, and MP101 for 1-year
Application Support

Product Detail
Specifications
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The UNI 321 is a disposable or free maintenance version of UNI single gas detector. It detects H2S, CO and O2 in your selection of models for operation life of 12-month (MP101), 24-month (MP102) and 36-month (MP103). The detectors have a large LCD providing maximum readability in the field. Six bright red LEDs allow for quick alarm notification. Constructed of strong and durable material, the UNI is designed to be comfortable yet drop resistant. The UNI detectors can easily be bump tested and calibrated with the CaliCase System.

  • 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, Overrange, Low Battery alarms
  • Six bright red flashing LEDs
  • Two-point field calibration
  • H2S, CO and O2 versions available
  • Models: MP103 for 3-year, MP102 for 2-year, and MP101 for 1-year
Size3.46 x 2.44 x 1.3 in
(88 x 62 x 33 mm)
Weight4.4 oz (125 g)
Temperature-4°F to 122°F (-20°C to 50°C)
Humidity5 to 95% relative humidity (non-condensing)
Alarm TypeHigh alarm, Low alarm, Battery low alarm
Alarm Signal90 dB @ 30 cm
Bright red LED
Built in vibrator
CalibrationManual zero (CaliCase/MP300T1 allows 2-point calibration, zero and span)
Event logUp to 50 alarm events
Response time (t90)20 seconds
IP ratingIP-67
EMI/RFICompliant with EMC 2004/108/EC
Safety certificationsUL/cUL
Class I, Div 1, Group A, B, C, D
Class II, Div 1, Group E, F, G
Class III, Div 1
T4, -20°C ≤ Tamb ≤ +50°C
Operating life1 year for MP101
2 years for MP102
3 years for MP103