HT instruments HT950N User Manual
Page 2

HT950N
EN - 1
Index:
1.
SAFETY PRECAUTIONS AND PROCEDURES ...................................................................... 3
1.1.
Preliminary ............................................................................................................ 3
1.2.
During use ............................................................................................................. 3
2.
GENERAL DESCRIPTION ....................................................................................................... 4
3.
PREPARATION TO USE .......................................................................................................... 4
3.1.
Initial ...................................................................................................................... 4
3.2.
Power supply ......................................................................................................... 4
3.3.
Calibration ............................................................................................................. 4
3.4.
Storage .................................................................................................................. 4
4.
OPERATING INSTRUCTIONS ................................................................................................. 5
4.1.
Description front panel ........................................................................................... 5
4.2.
Description of function keys ................................................................................... 6
4.3.
Description of back panel ...................................................................................... 7
5.
OPERATIVE INSTRUCTIONS .................................................................................................. 8
5.1.
Installation ............................................................................................................. 8
5.2.
Electrical connections ............................................................................................ 8
5.2.1. Power supply circuit .......................................................................................... 9
5.2.2. Temperature probes ....................................................................................... 10
5.2.3. CONTR output circuit ...................................................................................... 10
5.2.4. T1 output alarm circuit .................................................................................... 11
5.2.5. T2 output alarm circuit .................................................................................... 11
5.3.
Messages on Power-ON ..................................................................................... 11
5.4.
Setup of alarm thresholds .................................................................................... 12
5.4.1. Example of HT950N meter setup .................................................................... 13
5.5.
Clear of recorded max temperature value ........................................................... 13
5.6.
Setup of input probes number ............................................................................. 14
6.
PREVENTIVE MAINTENANCE .............................................................................................. 14
6.1.
General information ............................................................................................. 14
6.2.
Cleaning .............................................................................................................. 14
7.
TECHNICAL SPECIFICATIONS ............................................................................................. 15
7.1.
Technical Characteristics .................................................................................... 15
7.1.1. Inputs characteristics ...................................................................................... 15
7.1.2. Output characteristics ..................................................................................... 15
7.1.3. Safety characteristics ...................................................................................... 15
7.1.4. General characteristics ................................................................................... 15
7.2.
Environmental conditions .................................................................................... 15
7.2.1. Climatic conditions .......................................................................................... 15
7.2.2. EMC ................................................................................................................ 15
7.3.
Accessories ......................................................................................................... 15
7.3.1. Standard accessories ..................................................................................... 15
8.
SERVICE ................................................................................................................................ 16
8.1.
Warranty conditions ............................................................................................. 16
8.2.
Service ................................................................................................................ 16