SUPPLIED MICROPHONE

Type 4189: Prepolarized 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 ZC0032

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, without degradation of the specifications

Accessory Detection: Windscreen UA 1650 can be automatically detected when fitted over ZC0032

MICROPHONE POLARIZATION VOLTAGE

Selectable between 0 V and 200V

KEYBOARD

Pushbuttons: 11 keys with backlight, optimized 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 color touch screen 240 × 320 dot matrix

Color Schemes: Five different optimized 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 1.1 OTG Mini B socket

INPUT SOCKET

Connector: Triaxial LEMO

Input Impedance: ≥1MΩ

Signal Source Impedance: < 200Ω

Direct Input: Max. input voltage: ± 14.14Vpeak

CCLD Input: Max. input voltage: ± 7.07 Vpeak

CCLD Current/voltage: 4mA/25V

TRIGGER SOCKET

Connector: Triaxial LEMO

Max. Input Voltage: ± 20Vpeak

Input Impedance: > 1MΩ

OUTPUT SOCKET

Connector: Triaxial LEMO

Max. Peak Output Level: ± 4.46V

Output Impedance: 50Ω

HEADPHONE SOCKET

Connector: 3.5 mm Minijack stereo socket

Max. Peak Output Level: ± 1.4V

Output Impedance: 2.2Ω in each channel

MICROPHONE FOR COMMENTARY

Microphone, which utilizes Automatic Gain Control (AGC), is incorporated in underside of instrument. Used to create voice annotations for attaching to measurements

EXTERNAL DC POWER SUPPLY REQUIREMENTS

Used to charge the battery pack in the instrument

Voltage: 8 . 24 VDC, ripple voltage < 20mV

Current Requirement: min. 1.5 A

Power Consumption: < 2.5W, without battery charging, < 10W when charging

Cable Connector: LEMO Type FFA.00, positive at centre pin

BATTERY PACK

Type: Li-Ion rechargeable

Typical Operating Time: > 8 hours

STORAGE SYSTEM

Internal Flash-RAM (non-volatile): 20 Mbyte for user setups and measurement data

External Secure Digital Memory Card (SD-card): For store/recall of measurement data

External Compact Flash Memory Card (CF-card): For store/recall of measurement data

CLOCK

Back-up battery powered clock. Drift <0.5s per 24 hour period

WARM-UP TIME

From Power Off: < 2 minutes

From Standby: < 10 seconds for prepolarized microphones

TEMPERATURE

IEC 60068.2.1 & IEC 60068.2.2: Environmental Testing. Cold and Dry Heat.

Operating Temperature: .10 to + 50°C (14 to 122°F), < 0.1 dB

Storage Temperature: .25 to +70°C (.13 to 158°F)

HUMIDITY

IEC 60068.2.78: Damp Heat: 90% RH (non-condensing at 40°C (104°F))

Effect of Humidity: < 0.1 dB for 0% < RH < 90% (at 40°C (104°F) and 1 kHz)

MECHANICAL

Environmental Protection: IP44

Non-operating:

IEC 60068.2.6: Vibration: 0.3 mm, 20 m/s2, 10 . 500Hz

IEC 60068.2.27: Shock: 1000 m/s2

IEC 60068.2.29: Bump: 4000 bumps at 400 m/s2

WEIGHT AND DIMENSIONS

650 g (23 oz.) including rechargeable battery

300 × 93 × 50mm (11.8 × 3.7 × 1.9″) including preamplifier and microphone

LANGUAGE

User Interface in Catalan, Croatian, Czech, Danish, English, Flemish,  French, German, Hungarian, Japanese, Italian, Polish, Romanian, Serbian, Slovenian, Spanish and Swedish

HELP

Concise context-sensitive help in Catalan, English, French, German, Italian, Polish, Romanian, Serbian, Slovenian and Spanish