Technical data

Wöhler CM 220 CO-Meter
CO MEASUREMENT / LEAKAGE TESTING | WÖHLER CM 220 / WÖHLER UL 23 ULTRASONIC LEAK DETECTOR
TECHNICAL DATA
Range ................................. 0...999 ppm
Accuracy ............................ ±20 % at 0...99 ppm
±15 % at 100 – 500 ppm
Resolution .......................... 1 ppm
Sypply ................................3 AAA batteries
Response time ................... up to 60 sec.
Humidity range ..................5 – 99 % r.H.
(non-condensing)
Storage temp. ....................-20 – 60 °C
Operating temp. ................. 0 – 90 °C
Size ....................................175 x 47 x 28 mm
Wöhler UL 23 Ultrasonic Leak Detector
APPLICATION
Leak detection at e.g.:
· Gas lines
· Water lines
· Refrigerant units
· Pneumatic systems
· Hydraulic systems
· Vacuum systems
· Electrical systems:
switches, relays and other contacts
TECHNICAL DATA
Frequency regulation ........Precision-Quarzoscillator
Output frequency ............... 40 kHz
(± 2.5 Hz)
Indicator ............................acoustic signal
and level LEDs
Output intensity ................. 115 dB at 30 cm
Wave conductor .................200 mm long
Sonic probe........................200 mm long
Work temperature ............-20...45 °C
Current supply ................... 9 V Block battery
Service life ......................... 70 hours
permanent use
Weight ................................ 1.25 kg in complete case
APPLICATION
· Measurement of CO concentration in
the ambient air
· Test CO leakage from furnaces, water
heaters, stoves
· MWC-Value-Measurement
(Maximum Workplace Concentration)
ADVANTAGES
· Quick response for testing safe entry
conditions
· Easy operation-one button, manual
zero
· Visual and acoustic indicators
· Backlight
· Precise electrochemical sensor
· Calculation of the MWC-value (Maxi-
mum Workplace Concentration)
Wöhler CM 220 CO-Detector
Scope of delivery:
Wöhler CM 220 CO-Detector
Wöhler UL 23 Ultrasonic Leak Detector
Receiver only
Scope of delivery:
Wöhler UL 23 ultrasonic leak detector
headset
wave guide
sonic probe
Wöhler UL 23 Ultrasonic Leak Detector
Sender + Receiver
Scope of delivery:
Wöhler UL 23 ultrasonic leak detector
Wöhler US 23 ultrasonic sound generator
wave conductor
headset
plastic case Midi 60
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VISUAL INSPECTION
MEASURING INSTRUMENTS
LEAKAGE AND PRESSURE
SWEEP INSTRUMENTS
MEASURING INSTRUMENTS
IAQ/BUILDING
MEASURING INSTRUMENTS
FLUE GAS ANALYSIS