$ 447.12
| Model | |
| product brand name | SENTRON |
| product designation | Multimeter |
| design of the product | basic |
| product type designation | 7KM PA3220 |
| Measurements | |
| measuring procedure ● for voltage measurement ● for current measurement |
TRMS TRMS |
| type of measured value detection | complete |
| voltage curve | Sinusoidal or distorted |
| measurable line frequency ● initial value 45 Hz ● full-scale value |
45 Hz 65 Hz |
| operating mode for measured value detection automatic line frequency detection |
Yes |
| operating mode for measured value detection ● set at 50 Hz ● set to 60 Hz |
No No |
| Supply voltage | |
| design of the power supply | Extra-low voltage power supply unit |
| type of voltage of the supply voltage | DC |
| supply voltage at DC | 24 … 60 V |
| Degree of protection protection class | |
| protection class IP on the front | IP65 |
| Suitability | |
| suitability for operation | Installation in stationary panels in closed rooms |
| Product Functions | |
| product function ● voltage measurement ● current measurement ● active power measurement ● reactive power measurement ● frequency measurement |
Yes Yes Yes Yes Yes |
| Display and operation | |
| design of the display | LCD |
| height of the display | 54 mm |
| width of the display | 72 mm |
| color of the background of the display | white |
| illuminance of display backlight adjustable | No |
| time-controlled reduction of the illuminance of display backlight possible |
Yes |
| display contrast adjustable | Yes |
| national language on the display screen is supported | de, en, fr, spa, ita, por, tur, chi, pol |
| number of keys | 4 |
| Communication | |
| transfer rate minimum | 10 000 kbit/s |
| transfer rate maximum | 101 000 kbit/s |
| number of interfaces according to Fast Ethernet | 2 |
| type of electrical connection of the fast Ethernet interface | 2 x RJ45 |
| protocol at the Ethernet interface is supported | MODBUS TCP |
| Fault limits | |
| reference condition for metering accuracy | In accordance with IEC61557-12, IEC62053-22 and IEC62053-23 |
| formula for relative total measurement inaccuracy ● for measured variable voltage ● for measured variable current ● for measured variable active power ● for measured variable reactive power ● for measured variable output factor ● for measured variable active energy ● for measured variable reactive energy |
+/- 0.2 % +/- 0.2 % +/- 0.5 % +/- 1 % +/- 0,5 % Cl. 0.5 acc. to… IEC62053-22 Class 2 according to IEC61557-12 and/or IEC62053-23 |
| Inputs Outputs | |
| number of digital inputs | 2 |
| type of electrical connection at the digital inputs | screw-type terminals |
| operating conditions for digital inputs external voltage supply | Yes |
| input voltage at digital input at DC maximum | 30 V |
| input current at digital input ● initial value for signal<1>-recognition |
7 mA |
| number of digital outputs | 2 |
| type of switching output | bidirectional |
| digital output version | switching or pulse output function |
| operating voltage as output voltage at DC maximum permissible | 30 V |
| type of electrical connection at the digital outputs | screw-type terminals |
| output current ● at the digital outputs at DC limited to 100 ms maximum |
130 mA |
| internal resistance at the digital outputs | 55 Ω |
| standard for pulse emitter | according to IEC62053-31 |
| pulse duration ● initial value ● full-scale value |
30 ms 500 ms |
| adjustable time period minimum | 10 ms |
| switching frequency at digital output maximum | 17 Hz |
| property of the output short-circuit proof | Yes |
| Measuring inputs | |
| measurable supply voltage between (PE)N and L at AC maximum rated value |
400 V |
| measurable supply voltage between (PE)N and L at AC ● minimum ● maximum |
11.5 V 480 V |
| measurable supply voltage between the line conductors at AC maximum rated value |
690 V |
| voltage measuring range extension with external voltage transformers |
yes |
| line conductors and neutral conductors internal resistance for voltage measurement |
1.5 MΩ |
| measuring category for voltage measurement | CAT III |
| measurable current ● 1 at AC rated value ● 2 at AC rated value |
1A 5A |
| relative measurable current at AC ● minimum ● maximum |
1% 100% |
| current measuring range extension with external current transformers |
Yes |
| zero point suppression for current measurement | 0…10% |
| apparent power consumption for current measurement ● with measuring range 5 A per phase |
0.3 VA |
| measuring category for current measurement | CATIII |
| Connections | |
| type of electrical connection ● at the measurement inputs for voltage ● at the measurement inputs for current |
screw-type terminals screw-type terminals |
| Mechanical Design | |
| fastening method DIN-rail mounting | No |
| size of Power Monitoring Device | size 96 |
| height | 96 mm |
| width | 96 mm |
| depth | 56 mm |
| installation depth | 51 mm |
| net weight | 325 g |
| mounting position | vertical |
| Environmental conditions | |
| ambient temperature during operation ● minimum ● maximum |
-25 °C 55 °C |
| ambient temperature during storage ● minimum ● maximum |
-25 °C 70 °C |
| relative humidity at 25 °C without condensation during operation maximum |
75% |
| installation altitude at height above sea level maximum | 2 000 m |
| degree of pollution | 2 |
