HT instruments HT950N - 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