Atec Bruel-Kjaer-2250-2270 - Manual (Page 12)

12
Compliance with Standards
Hand-held Analyzer Type 2250/2270 Platform
Specifications apply to Type 2250/2270 fitted with Microphone Type 4189
and Microphone Preamplifier ZC-0032
Microphone
SUPPLIED MICROPHONE
Type 4189: Prepolarized Free-field ½

Microphone
or
Type 4190: Free-field ½

Microphone
Nominal Open-circuit Sensitivity: 50 mV/Pa (corresponding to
26 dB re 1 V/Pa) ± 1.5 dB
Capacitance: 14 pF (at 250 Hz)
MICROPHONE PREAMPLIFIER ZC-0032
Nominal Preamplifier Attenuation: 0.25 dB
Connector: 10-pin LEMO
Extension Cables: Up to 100 m in length between the microphone
preamplifier and Type 2250/2270, without degradation of the
specifications
Accessory Detection: Windscreen UA-1650 can be automatically
detected when fitted over ZC-0032
MICROPHONE POLARIZATION VOLTAGE
Selectable between 0 V and 200 V
SELF-GENERATED NOISE LEVEL
Typical values at 23°C for nominal microphone open-circuit sensitivity:
Interface
KEYBOARD
Pushbuttons: 11 keys with backlight, optimised for measurement control
and screen navigation
ON-OFF BUTTON
Function: Press 1 s to turn on; press 1 s to enter standby; press for more
than 5 s to switch off
STATUS INDICATORS
LEDs: Red, amber and green
DISPLAY
Type: Transflective back-lit colour touch screen 240
 320 dot matrix
Colour Schemes: Five different – optimised for different usage
scenarios (day, night, etc.)
Backlight: Adjustable level and on-time
USER INTERFACE
Measurement Control: Using pushbuttons on keyboard
Setup and Display of Results: Using stylus on touch screen or
pushbuttons on keyboard
Lock: Keyboard and touch screen can be locked and unlocked
USB INTERFACE
USB 2.0 OTG Micro AB and USB 2.0 Standard A sockets
MODEM INTERFACE
Connection to Internet through GPRS/EDGE/HSPA modem connected
through:
• the USB Standard A Socket
Supports DynDNS for automatic update of IP address of host name
PRINTER INTERFACE
PCL printers, Mobile Pro Spectrum thermal printer or Seiko DPU
S245/S445 thermal printers can be connected to USB socket
MICROPHONE FOR COMMENTARY
Microphone, which utilises Automatic Gain Control (AGC), is
incorporated in underside of analyzer. Used to create voice annotations
for attaching to measurements
CAMERA (TYPE 2270 ONLY)
Camera with fixed focus and automatic exposure is incorporated in
underside of analyzer.
Used to create image annotations for attaching to measurements
Image Size:
• 2048
 1536 pixels
Viewfinder Size: 212
 160 pixels
Format: jpg with exif information
Inputs/Outputs
SECURE DIGITAL SOCKET
• 2
 SD sockets
Connect SD and SDHC memory cards
LAN INTERFACE SOCKET
• Connector: RJ45 Auto-MDIX
• Speed: 100 Mbps
• Protocol: TCP/IP
CE-mark indicates compliance with the EMC Directive and Low Voltage Directive.
C-Tick mark indicates compliance with the EMC requirements of Australia and New Zealand.
Safety EN/IEC 61010–1, ANSI/UL 61010–1 and CSA C22.2 No.1010.1: Safety requirements for electrical equipment for
measurement, control and laboratory use.
EMC Emission EN/IEC 61000–6–3: Generic emission standard for residential, commercial and light industrial environments.
CISPR 22: Radio disturbance characteristics of information technology equipment. Class B Limits.
FCC Rules, Part 15: Complies with the limits for a Class B digital device.
IEC 61672–1, IEC 61260, IEC 60651 and IEC 60804: Instrumentation standards.
Complies with Canadian standard ICES–001
EMC Immunity EN/IEC 61000–6–2: Generic standard – Immunity for industrial environments.
EN/IEC 61326: Electrical equipment for measurement, control and laboratory use – EMC requirements.
IEC 61672–1, IEC 61260, IEC 60651 and IEC 60804: Instrumentation standards
Weighting Microphone Electrical Total
“A” 14.6 dB 12.4 dB 16.6 dB
“B” 13.4 dB 11.5 dB 15.6 dB
“C” 13.5 dB 12.9 dB 16.2 dB
“Z” 5 Hz–20 kHz 15.3 dB 18.3 dB 20.1 dB
“Z” 3 Hz–20 kHz 15.3 dB 25.5 dB 25.9 dB