N30H Digital Panel Meter

The N30H meter is a programmable digital panel meter destined for the measurement of d.c. voltage or d.c. current. Additionally, the meter enables the indication of the current time. The readout field is a LED display, which allows the exposition of results in colours: red, green and orange. The measured input signal can be arbitrary converted by means of a 21-point individual characteristic.
Features of the N30H meter:
l display colour individually programmed in three intervals,
l programmable thresholds of displayed overflows,
l 2 NOC relay alarms operating in 6 modes,
l 2 switched relay alarms with a switching contact operating in 6 modes (option),
l signaling of the measuring range overflow,
l automatic setting of the decimal point,
l programming of alarm and analog outputs with the reaction on the chosen input quantity (main or auxiliary input),
l real-time clock with the function of the clock supply support in case of the meter supply decay,
l programmed averaging time – function of walking window with the averaging time up to 1 hour,
l monitoring of set parameter values,
l interlocking of introduced parameters by means of a password,
l recount of the measured quantity on the base of a 21-point individual characteristic,
l service of the interface with MODBUS protocol in the RTU mode (option),
l conversion of the measured value into a standard – programmable current or voltage signal (option),
l highlight of any measuring unit acc. to the order.

l signaling of alarm operation – switching the alarm on causes the highlight of the output number,
l galvanic separation between connectors: alarm, supply, input, analog output connections and RS-485 interface.
Protection degree from frontal side: IP65
Meter overall dimensions: 96 x 48 x 93 mm (with terminals).
The meter casing is made of plastics.

Description

The N30H meter is destined for the measurement of d.c. current and d.c. voltage up to 5 A and 600 V.

  •  Input:
    •  d.c. current 6 A
    •  d.c. voltage 600 V
  • Output: relay (4), analog (1), digital RS-485/MODBUS (1),
  •  Three-color display – red, green and orange, programmable in three intervals of the  measured value –  facilitates the observation of measured quantity changes.
    • digit height: 14 mm
    • highlighted measuring unit
  • Four alarm outputs with signaling on LED diodes operating in 6 different modes,
  • Conversion of any measured optional values into the analog signal 0/4…20 mA or 0…10 V, 
  • Storage of minimal and maximal values for all measured quantities,
  • Meter programming from the keyboard or through RS-485 interface by means of the free LPConfig program. 
    Parameters which can be reprogrammed:

    • display color, individually in three intervals,
    • thresholds of displayed overflows,
    • precision of displayed results (decimal point),
    • unit highlighting,
    • measurement averaging time,
    • indication recounting (individual characteristic),
    • alarm output parameters,
  • Supply: 85…253 V a.c./d.c. or 20…40 V a.c./d.c.
  • Casing protection grade: IP65
  • Overall dimensions: 96 x 48 x 64 mm