Oldham C 1100 Manuel Technique page 21

Technical specification for the portable C 1100
CO Measurement:
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Operating Principle ........................................................... Non-dispersive infrared (NDIR) with gold plated optical cell
Gas Sampling Mode.......................................................... Diffusion
Response Time (1/e) ........................................................ 2 min diffusion time & 15 sec at 0.2 litre/min gas flow
Measurement Range ........................................................ 0-3 % vol.
Extended Range .............................................................. 3-10 % vol. (accuracy not specified)
Accuracy at NTP (+25° C)............................................... ± 3 % of reading or ± 0.02 % vol., whichever is greater
Pressure Dependence ....................................................... + 1.6% reading increase per kPa deviation from normal pressure
Temperature Dependence ................................................ ≤ 0.005 % vol. / °C at zero gas level
Time Weighted Average (TWA) calculation ................... 8 h time span (most recent) with 4 min sample period
Automatic Background Calibration ................................. Automatic Background Calibration with fresh air
Alarm / Measurement Interface:
LEDs ................................................................................ 5 step "bar graph" green-green-yellow-yellow-red LEDs with trip
Numerical Liquid Crystal Display .................................... Simultaneous display of
Audible horn .................................................................... Transducer with 2kHz resonance frequency,
Push-button ...................................................................... A single multi-purpose push-button
Internal Data Logger ........................................................ The latest 8 h accumulated turn-on time of recorded CO
Digital Interface ............................................................... USB connector with sensor UART-RS232 com driver
PC software...................................................................... Windows 95/98/NT compatible software to
Electrical:
Battery Charger Input ...................................................... 6 VDC / 700 mAh, with NOKIA type miniature connector
Internal Battery................................................................. 3,6 VDC / 1350 mAh Li-ion accumulator ( > 12 h. capacity)
Battery Current Consumption .......................................... < 55 mA in normal mode
......................................................................................... < 100 mA in alarm mode
General Performance:
Compliance with.............................................................. EMC Directive 89/336/EEC
Storage Temperature Range............................................. -20° to +70° C
Operating Temperature Range ......................................... 0° to +50° C
Operating Humidity Range .............................................. 0 to 95 % RH (non Condensing)
Sensor Life Expectancy ................................................... > 15 years
Battery Life Expectancy................................................... > 3 years
Self-diagnostics ............................................................... complete power/sensor/ internal checks
Status Indicator ............................................................... LCD triangle ikon = maintenance call
Power-up Time .............................................................. < 30 sec. (full specs < 15 minutes)
Housing Material ............................................................. ABS/PC blend
Dimensions (L x W x D).................................................. 125 x 52 x 32 mm
Total Weight .................................................................... 135g
Accessories:
Included in original purchase are monitor with internal battery, protective casing, and wall-plug battery charger
Optional accessories: ...................................................... art.no.
PC communication cable ................................................. A232-0740
Battery charger for use in cars (12V) ............................... Magcom SC110
Extra wall-plug battery charger........................................ R4W006070040G
Replacement battery......................................................... 1PSC340848-1350
Extra protection casing .................................................... 0741 BAG
≤ 0.015 % vol. / °C at 3 % vol. CO
Reset can be selected during unit turn-on sequence
Can be done together with charging during the night.
points defined by the present CO
* the current CO concentration (in % vol.)
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* the 8 h CO TWA value (in % vol.)
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* battery status indication
* sensor status indication
sounding during alarm status until push-button acknowledgement is pressed
shown on display (TWA). Logged samples can be downloaded together with
communication cable (Art.no. A232-0740) and free software UIP-P.
* transfer logger and events data
* configure Alarm Status and LED trip point levels
* define user preferences
* support sensor calibration
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concentration and preset comparator levels.
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concentration data is
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