ENGLISH User manual Copyright HT ITALIA 2020 Release EN 1.
HTB500 TABLE OF CONTENTS 1. PRECAUTIONS AND SAFETY MEASURES ............................................................... 2 1.1. 1.2. 1.3. 2. 3. GENERAL DESCRIPTION ........................................................................................... 3 PREPARATION FOR USE ........................................................................................... 3 3.1. 3.2. 3.3. 4. Key ON/OFF ........................................................................................................
HTB500 1. PRECAUTIONS AND SAFETY MEASURES The instrument has been designed in compliance with the safety directive relevant to electronic measuring instruments. In order to prevent damaging the instrument, please carefully follow the procedures described in this manual and read all notes preceded by symbol with the utmost attention.
HTB500 2. GENERAL DESCRIPTION Model HTB500 is a portable digital borescope which allows carrying out inspections inside parts of objects not physically accessible (typically rotating equipment) and not visible to the naked eye. The instrument uses a waterproof external probe with 4 LEDs with high brightness and a camera, in order to obtain a high-resolution image on the display.
HTB500 4. NOMENCLATURE 4.1. DESCRIPTION OF THE FRONT PART OF THE INSTRUMENT CAPTION: 1. LCD display 2. Key Bright 3. Key ON/OFF 4. Battery compartment cover 5. Input terminal for external probe (Zoom) 6. Key (Rotate) 7. Key Fig. 1: Description of the front part of the instrument 4.2. DESCRIPTION OF THE INSTRUMENT’S SIDE CAPTION: 1. Video output (TV) 2. Key RESET 3. USB input for battery recharge 4. Battery compartment cover 5. Input terminal for external probe Fig.
HTB500 4.3. DESCRIPTION OF THE EXTERNAL PROBE CAPTION: 1. Male terminal for the connection of the probe to the instrument 2. Flexible external probe 3. Probe terminal with built-in camera 4. Female terminal for the connection of the probe to the instrument 5. White-light LEDs 6. Built-in photo camera Fig.
HTB500 4.4. DESCRIPTION OF FUNCTION KEYS 4.4.1. Key ON/OFF Pressing key ON/OFF allows turning on/off the instrument. Upon start-up, with disconnected external probe, the instrument only shows an empty screen with the symbol of the battery charge level. 4.4.2. Key Bright Pressing key Bright allows adjusting the brightness of the white-light LEDs on the end of the external probe (see Fig. 3 – part 5) up to 10 levels. The following screen appears on the display for a moment. Fig.
HTB500 5. OPERATING INSTRUCTIONS 5.1. USING THE INSTRUMENT CAUTION Use the instrument in dry environments or with low humidity levels, respecting the instructions given with the technical specifications in order to avoid any damage. Only the probe’s built-in photo camera is fully waterproof. Do not expose the photo camera to sunlight or to external probes which may reflect light onto it during operations. Handle with care. 1.
HTB500 6. MAINTENANCE 6.1. GENERAL INFORMATION 1. While using and storing the instrument, carefully observe the recommendations listed in this manual in order to prevent possible damage or danger during use. 2. Do not use the instrument in environments with high humidity levels or high temperatures. Do not expose to direct sunlight. 3. Always switch off the instrument after use. 6.2. BATTERY RECHARGE When the display shows symbol “ ”, it is necessary to replace the battery.
HTB500 7. TECHNICAL SPECIFICATIONS 7.1. TECHNICAL CHARACTERISTICS External camera Sensor size: ¼in (CMOS), 300.000pxl Max sensor resolution: 640x480pxl Max sampling frequency: 30FPS/S Colour depth: 24bit Image focusing: fixed (5cm ÷ 15cm) (2.0in ÷ 5.9in) External probe length: 1m (39in) Camera diameter: 6mm (0.2in) Camera light: 4 white-light LEDs Adjustment of brightness: 10 levels 7.2.
HTB500 8. ASSISTANCE 8.1. WARRANTY CONDITIONS This instrument is warranted against any material or manufacturing defect, in compliance with the general sales conditions. During the warranty period, defective parts may be replaced. However, the manufacturer reserves the right to repair or replace the product. Should the instrument be returned to the After-sales Service or to a Dealer, transport will be at the Customer's charge. However, shipment will be agreed in advance.