High Accurate Dual Input Reference Thermometer For RTDs – AOIP PHP 602


  • Temperature measurements using RTDs
  • Absolute or differential measurements over two channels
  • Differential thermal analysis
  • Checking the temperature stability of furnaces or baths
    • Monitoring (alarm) and temperature recording

PHP 602 is a high accurate dual input reference thermometer for resistive probes. A large number of probes already exists in the instrument data base. In addition, the user can at anytime create new linearisation tables and the metrological parameters (correction versus standards, serial numbers, names, calibration dates …) are stored in the memory. Used together with VISULOG data management software to drive PHP thermometer and a thermal device such as temperature bath, dry block calibrator or oven, a complete calibration procedure can be performed, reports generated and certificates printed for individual sensors.

Its graphical dual display enables measured values from channel 1 and 2 to be simultaneously displayed and leads to keyboard simplification. On-line help messages are available at any time in case additional information on displayed options is needed. It is fully programmable via RS 232 and IEEE 488 (option) interfaces, which makes it the perfect instrument for test benches and automatic test equipment applications. PHP 601 is also available with a battery in option. PHP 602 is offered into a compact benchtop housing for on-site use as well as benchtop or panel mounted use. It is widely used in metrological departments, quality-control departments, research and development laboratories and also by maintenance and approval companies.


Size 225 x 88 x 310
Weight 2 to 3 kg according to the configuration
Display Graphical back-lit LCD display, 600,000 counts
Power supply 115 / 230 V ± 10%, 50/400 Hz
Battery (option) Type: 12 V
Battery life: 2 to 3.5 hours
Charging time: 12 to 14 hours
Communication ports RS 232
IEEE488 in option
Storage capacity 5,000 measurements in one burst or up to 128 bursts of one measurement. Bursts are tagged with an item number and can be identified with a label.
Reference range 23°C ± 1°C (RH: 45 to 75 % w/o condensing)
Operating reference range 0 to 50°C (RH: 20 to 75 % w/o condensing)
Limit operating range -10°C to +55°C (RH: 10 to 80 % w/o condensing)
Storage temperature limits -30°C to +55°C (-15 to +50°C for model with battery charged)
Maximum height 2500 m
IP protection IP40 according to EN60529
Class In accordance with EN 61010-1
Category III, pollution 2
Rated voltage 60 V
Chocks and vibrations EN 61010-1
EMC conformity Immunity:
• EN 61000-4-2
• EN 61000-4-3
• EN 61000-4-5
• EN 61000-4-6
• EN 61000-4-11EN 61000-4-4
Conducted and radiated emissions:
• EN 55022, class B
• EN 61000-3-2
• EN 61000-3-3


AOIP PHP 602 High accurate dual input reference thermometer for RTDs-DpstarGroup


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