Sensit CO User manual
Carbon Monoxide Analyzer
Warning: To prevent ignition of ammable
or combustible atmospheres, disconnect
power before servicing.
7WA6
Approved UL913, For Class 1,
Division 1, Groups C & D
hazardous locations when used
with alkaline or NiMH batteries.
INSTRUCTION MANUAL
SENSIT®CO
Read and understand
instructions before use.
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⚠Warning: To prevent the risk of ignition of ammable
atmospheres, batteries must only be changed in an area known
to be non-hazardous.
⚠Warning: To prevent ignition of ammable or combustible
atmospheres, disconnect power before servicing.
Do not mix batteries of different age or type.
FOR YOUR SAFETY
NOTICE: ⚠CAUTION: This safety symbol is used to
indicate a potentially hazardous situation which, if not
avoided, may result in minor or moderate injury.
ii
CARBON MONOXIDE EXPOSURE
STANDARDS AND HEALTH EFFECT CHART
LEVEL EFFECT
0 ppm Desired level - No Effect
9 ppm Acceptable level in a living space*
50 ppm Maximum level for continuous exposure in any 8 hour period
400 ppm Frontal headaches in 1 to 2 hours, life threatening after 3 hours
800 ppm Nausea and convulsions, death within 2 hr.
1,600 ppm Nausea within 20 min., death within 1 hr. **
12,800 ppm Death within 1-3 minutes**
* Always consider outdoor ambient conditions
** Health effects can vary signicantly based on age, sex, weight and overall health.
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TABLE OF CONTENTS
Preparation
For Your Safety .............................................................. ii
Table of Contents....................................................... 3-4
Parts and Accessories ...................................................5
General Description .......................................................6
Product Specications ...................................................7
Product Features ..................................................... 8-10
Basic Operation
Battery Installation/Replacement .................................11
Operation and Use ................................................ 12-14
Calibration Check ........................................................15
User Menu
User Menu / Function Descriptions .............................16
User Menu Operation
Printing to Optional IR Printer ......................................17
Power Off - Automatic Shut-Off ...................................18
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TABLE OF CONTENTS
User Menu Operation
Set Clock .....................................................................19
Calibration Log: Show and Print Calibration Log .........20
Session Log: Show and Print Session Log............ 21-22
Bump Test ....................................................................23
Smart-Cal ....................................................................24
O2 Test ........................................................................25
Calibration
Calibration Notes .........................................................26
Preparing For Manual Calibration................................26
Carbon Monoxide (CO) Calibration .............................27
Oxygen Sensor (O2) Test ............................................28
Using The Smart-Cal Calibration Station .....................29
Warranty ....................................................... Back Cover
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PARTS AND ACCESSORIES
Standard Accessories (Included)
872-00001 Hard Carrying Case
883-00023 Hot Air Probe
360-00040 Wrist Strap
750-00013 Instruction Manual
310-00004 3”C” Alkaline Batteries
873-00017 External Hydophobic Filter Assembly
873-00005 Dirt and Water Filter Assembly (Particle Filter)
Optional Accessories
870-00004 IR Printer
870-00039 IR Link Interface w/ SmartLink Software
914-00000-01 Smart-Cal Automatic Calibration Station
Calibration Kits
Contact us with instrument model number for correct Calibration Kit.
5
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GENERAL DESCRIPTION
The SENSIT® CO is a hand held carbon monoxide analyzer. The base
model is designed to provide part-per-million (ppm) readings of levels of
CO within a range of 0-2000ppm.
The instrument is available with an optional oxygen sensor which
provides the percent of oxygen in air within a range of 0-25% volume.
Additionally, an Air-Free CO feature is available on the CO/O2 version.
With this optional feature, the instrument will calculate the elevated levels
of CO related to increasing oxygen levels detected in appliance ue gas
emissions. This information is presented in PPM as “CF” on the display.
All model options can be specied at the time of ordering or base models
can be upgraded by the factory or authorized service center with the
required hardware and software additions.
The sensors are electrochemical, which can be eld calibrated. The
sensors have a renewable lter which reduces cross-sensitivity and are
economical to replace. By using the supplied hot air probe the instrument
can evaluate CO and O2 levels from appliance ues or vents.
The SENSIT® CO models can also be used as a personal monitor.
The default factory alarm set point for carbon monoxide is 35ppm. The
optional O2 sensor default factory alarm set points are less than 19.6%
or greater than 23.5%. The display must be in view to determine the
detected CO and O2 levels.
6
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SPECIFICATIONS
PRODUCT SPECIFICATIONS
Power Supply: 3 “C” Alkaline Batteries
Sensor: Long Life Electrochemical
Range: 0-2000ppm CO, 0-25% Oxygen for O2 model
Alarm: 35ppm CO, < 19.5% or > 23.5% Oxygen for O2 model
Alarm Range: 0-300ppm CO, 17.5% - 20.5% (low) for O2 model
Warm Up: Less than 30 seconds
Response Time: 90% of reading < 60 sec.
Duty Cycle: Preset at 60 Minutes, User Adjustable
Battery Life: Approx. 30 Hours
Size: 3.5” x 12” x 1.6” (89 x 305 x 40 mm)
Weight: 1.3 lbs. (590 g), 1.55 lbs (703g) with Hot Air Probe
Probe Length: 11 Inches (27.64 cm)
Tube Length: 4 Feet (121.92cm)
Hot Air Probe: 700° F (371.11 celsius) @ 5 Minutes
7
Warning: To prevent ignition of ammable or combustible atmospheres,
disconnect power before servicing.
7WA6
Approved UL913, For Class 1, Division 1, Groups C & D
hazardous locations when used with alkaline or NiMH batteries.
1.888.610.7664
info@Sensit-Direct.com
SENSIT-Direct.com
8
PRODUCT FEATURES
WATER / DIRT FILTER
HOT AIR PROBE
INFRARED COMMUNICATIONS
BACKLIT LCD DISPLAY
ALARM LED
OPERATION BUTTONS
BATTERY COMPARTMENT
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9
PRODUCT FEATURES
SENSIT® CO instruments are constructed of high impact ABS plastic
to withstand the rigors of eld use. Incorporated in the hand grip area is
the battery compartment.
All SENSIT® CO instruments models operate on “C” type alkaline
batteries or NiMH (nickel metal hydride) batteries. The approved
batteries are, PROCELL MN1400 Alkaline or equivalent and the
PANASONIC HHR300CH NiMH battery or equivalent.
The two line LCD continually updates PPM CO levels for the base
model, percent oxygen level is added for the CO/O2 model and PPM
“CF” is included for the CO/O2/air-free CO model. Regardless of the
model, all instruments display all data simultaneously on the LCD when
in the work display.
All models use a diaphragm pump to draw in the air samples. Flow
block, low battery power and sensor failure alert will appear on the LCD
as needed.
Warning systems for the operator consist of one audible alarm, omitting
a tone from the speaker on the back of the instrument and two visual
indicators on the front. One is a red ashing LED alarm light, the other
is a ashing gas or optional oxygen reading on the LCD when the
instrument detects readings at the alarm set point. All alarms indicate
simultaneously unless the operator chooses to use the audible alarm
mute feature.
An infrared communication window is located on the right side to
permit downloading of calibration data, data saved by the operator
and communication with the Smart-Cal Calibration Station and PCI2s
computer interface.
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10
PRODUCT FEATURES
There are 3 operational button pads on the front of all models used for
the following features.
BUTTON (A) POWER/MUTE
Turns the instrument ON/OFF, mutes audible alarm, exit menu items.
BUTTON (B) MENU
Enter customer menu.
BUTTON (C) SAVE/ZERO
Save data to on-board memory, manual zero of all sensors, scrolling in
menu options.
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