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UNI 321 Maintenance-Free Single Gas Detector

Professional gas detection and alarm systems

 

The UNI 321 is a disposable, maintenance-free version of the UNI single gas monitor. It detects hydrogen sulfide (H2S), carbon monoxide (CO) or oxygen (O2) in your selection of models for an operating life of either 12 months (MP101), 24 months (MP102) or 36 months (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 321 is designed to be comfortable yet drop-resistant. The UNI 321 detectors can easily be bump tested and calibrated with the CaliCase System.

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, MP102 for 2-year, and MP101 for 1-year

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)
Alarm Type High alarm, Low alarm, Battery low alarm
Alarm Signal 90 dB @ 30 cm
Bright red LED
Built in vibrator
Calibration Manual zero (CaliCase/MP300T1 allows 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
Safety certifications UL/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 life 1 year for MP101
2 years for MP102
3 years for MP103

Applications

Kit Package

  • MP10x instrument with sensor, AA size lithium battery and alligator clip
  • Instruction manual
  • Calibration adapter

Calibration Kit

  • Test gas (for sensor as specified)
  • Gas regulator with flow controller
  • Hard transport case

Ordering Info

Gas Measuring Range / Resolution (ppm) Model Instrument P/N
H2S 0.1 – 100ppm MP101
MP102
MP103
M014-0002-000
M015-0002-000
M016-0002-000
CO 1 – 500ppm MP101
MP102
MP103
M014-0001-000
M015-0001-000
M016-0001-000
O2 0.1- 30.0% MP101
MP102
MP103
M014-0003-000
M015-0003-000
M016-0003-000

Calicase for MP100 Series

The CaliCase is a system providing instrument testing, calibration and data recording for mPower portable gas monitors.

Calicase

Downloads

ATEX CERTIFICATION

UNI 321 DATASHEET V1.2

UNI 321 USER MANUAL V1.21

UNI 321 QUICK START GUIDE v1.31