Brandt Instuments Representing Otis Instruments OI-P400 Sensit Portable Multi Gas Detection Meters
   Brandt Instruments Representing Otis Instruments

Otis Instruments OI-P400 Portable MultiGas O2, LEL, CO, H2S & Toxic Gas Detector Logo

Otis Instruments OI-P400
Sensit Personal Multi-Gas Detector
5-Gas O2, LEL, CO, H2S & Toxic Gas Detection

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Otis Instruments OI-P400 Sensit 5-Gas Toxi Gas Detector

OI-P400 Sensit 5-Gas Detector
with Immediate Detection System

The Otis Instruments OI-P400 multi-gas detector uses electro-chemical sensor elements to detect O2, LEL H2S, CO and other toxic sensors. Features the Immediate Detection System (IDS), an early warning system to alert the user to environmental changes.

   Standard sensors for O2, LEL, CO, H2S
   Toxic sensors for HCN, NO2, PH3, SO2, ETO
   Real-Time gas readings
   0.1 ppm resolution
   Visual Alarm - 270° View
   Vibration Alarm
   STEL and TWA Alarms
   Compliance/Status Indicator
   Data Logging
   Alkaline and/or NiMH Battery
   Easy Field Calibration
   Easy Clean Dust Pre-Filter

Otis Instruments OI-P400 Multi-Gas Detector
Technical Specifications

Size 5.2"¯ x 3.2"¯ x 1.7"¯ (13.2 x 8.1 x 4.0 cm)
Weight 12 oz. (340 g)
Sensors | Electro-Chemical

Oxygen - O2
Combustible Sensor - LEL (Catalytic Bead)
Hydrogen Sulfide - H2S
Carbon Monoxide - CO
Hydrogen Cyanide (HCN)
Nitrogen Dioxide (NO2)
Phosphine (PH3)
Sulfur Dioxide (SO2)
Ethylene Oxide (ETO)

Measuring Range

O2 = 0-25% (vol)
LEL = 0-100% LEL
H2S = 0-100 PPM
CO = 0-999 PPM
HCN = 0-30 PPM
NO2 = 0-250 PPM
PH3 = 0-10 PPM
SO2 = 0-20 PPM
ETO 0-10 PPM

Battery & Battery Life Li-ion battery (includes charger; 110VAC)
Battery life: InfraRed (IR) LEL – 2 months continuous
Catalytic bead (CB) – 25 hours
Operating Temperature

-4° to 122° F (-20 to 50° C)

Humidity 10% to 90% RH (Non-condensing)
Power Source 4 AA Alkaline or NiMH Rechargeable Pack
Battery Life 24 Hr. Alkaline or 15 Hr. NiMH
Alarms Visual, Vibrating, Audible (98db @ 15"¯ (30cm));
LEDs Backlight (activated on alarm condition);
Yellow Maintenance Notification LED
Tests Full function self-test on activation
Continuous automatic: battery, sensor & circuitry tests
Ratings And Certifications

Class 1, Div 1,Groups A, B, C and D hazardous locations when used with approved alkaline batteries or rechargeable battery pack
Ingress Protection: IP65
, Temp code: T4, -20° C to 50° C
DEMKO 12 ATEX 1102012

Warranty Limited 2-Year Warranty or
Extended Warranty Available

Otis OI-P400 Multi-Gas Brochure

   Otis OI-P400 Multi-Gas Manual

   Otis OI-P400 Multi-Gas Quick Start




WARNING! Otis Instruments equipment should only be used in conjunction with the manufacturer's instructions.
Failure to follow such instructions could result in serious injury or fatalities.


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    Prairieville, LA  70769 
Phone: 225-673-6776
    Fax: 225-673-6725

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