Operating instructions

ER910/920 and ER910/920 AF Event Monitor
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Additional equipment classification information as required in EN 60601-1
A. EQUIPMENT not suitable for use in the presence of a
FLAMMABLE ANAESTHETIC MIXTURE WITH AIR of WITH
OXYGEN OR NITROUS OXIDE
B. IPX0 Ordinary Equipment (enclosed equipment without protection
against ingress of water)
C. Internally Powered Equipment
D. Mode of Operation - Continuous Operation
ER910/920 and ER910/920 AF Event Monitor
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Specifications
Functional
ER910 1 channel only
ER920 1 or 2 channel
Max Number of events 30
Sample rate 256 samples per second
User interface LCD display and sound
Memory
Max event time
One channel 30 minutes
Two channel 30 minutes
Max total record time
One channel 30 minutes
Two channel 30 minutes
Type Flash
Data retention Non-volatile
Physical
Dimensions 3.5"x 2.125"x .65"
(89.9mm x 54.0mm x 15.7mm)
Weight with batteries 3.5 oz.
Enclosure Molded plastic
Operating position Any orientation
Electrical
Input impedance 2M min.
CMR ratio 60dB
AC signal range +/- 3mV
DC signal range +/- 300mV
Resolution 23uV (8bits)
Frequency response .05Hz to 40Hz
Environmental
Operating temperature
0°C to +45°C
Non-operating temperature
-20°C to +65°C
Operating humidity 10% to 95% (non-condensing)
Non-Operating humidity 5% to 95%
Transtelephonic Transmission
Transmit carrier 1900Hz
Carrier deviation 100Hz/mV
Battery
Type (2) AAA Alkaline IEC-LR3
Life 30 days min. during looping recording
Remove batteries during storage
Warranty 12 months from shipment