Advertisement
Table of Contents
HT CALTEK ASIA LIMITED
HT55
Transducer Probe for Sound Level Measurement Type 1
HT55 accessory is a transducer probe with built-in integrator for
Leq and Sound Level Pressure measurements in connection with HT
ITALIA analyzer/recorder meters be able with this function. Tests
are performed according to EN60804 and EN60651 (Type 1)
standards concerning noise controls on working environments.
HT55 probe have a RS-232 D-9pin serial interface for instrument
connection and a standard ½" pre-polarised microphone.
Functions:
•
Type 1 Leq measurement
•
SLP peak value measurement
•
Class "A" frequency weighting
•
Pre-polarized microphone with integrated amplifier
•
Manual calibration with trimmer
•
RS-232 serial interface
Accessories:
•
HT55 sound level probe
•
Serial cable for instrument connection
•
Windscreen protection
•
Soft carrying bag
•
Battery
•
Calibration certificate
•
CE Declaration
•
Instruction manual
Warranty card
Standards
CE mark
IEC 651
Due to our policy of continual product development we reserve the right to amend the specifications of all mentioned products without notice.
HT55_v01
Created on 1/31/2007 4:32:59 PM
Prepared by Fung
Page 1 of 4
Advertisement
Table of Contents
Summary of Contents for HT Italia HT55
- Page 1 HT CALTEK ASIA LIMITED HT55 Transducer Probe for Sound Level Measurement Type 1 HT55 accessory is a transducer probe with built-in integrator for Leq and Sound Level Pressure measurements in connection with HT ITALIA analyzer/recorder meters be able with this function. Tests are performed according to EN60804 and EN60651 (Type 1) standards concerning noise controls on working environments.
- Page 2 HT CALTEK ASIA LIMITED 1. TECHNICAL SPECIFICATIONS LEQ MEASUREMENTS • Lower limit: 0.0 dB. • Upper limit: 137.0 dB. • Higher Limit with Crest Factor 3: 130.0 dB. • Range: 50.0 ÷ 120.0 dB. • Electrical Noise at 20°C (without preamplifier): 30.0 dB (tipycal). •...
- Page 3 HT CALTEK ASIA LIMITED 2. GENERAL SPECIFICATION Reference conditions: • Environment: free space. • Reference direction: perpendicular to microphone’s diaphragms • Reference Sound Pressure (referred to 20 µPa): 94.0 dB • Reference Frequency: 1000 Hz • Reference Temperature: 20°C • Reference Humidity: 65% •...
- Page 4 HT CALTEK ASIA LIMITED Due to our policy of continual product development we reserve the right to amend the specifications of all mentioned products without notice. HT55_v01 Created on 1/31/2007 4:32:59 PM Prepared by Fung Page 4 of 4...
Need help?
Do you have a question about the HT55 and is the answer not in the manual?
Questions and answers