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LUMEL
LUMEL

N30U

Programmable digital meter for measurement of temperature, resistance and standard signals

  • Universal input (Programmable)
  • Wide voltage, AC/DC control
  • 5 Digit, 3 colour display, Red, Amber, Green

Product description

Inputs

Input kind

Measuring range

Class

Additional error

Pt100

-205..855°C

0.1

Additional error
• of thermocouple cold junction temperature compensation:
1% of measuring range

• of wire resistance compensation:
0.1% of the 400 Ω range

Pt500

Pt1000

400 Ω

0..410 Ω

4000 Ω

0..4100 Ω

Thermocouple of J type

-220..1210°C

Thermocouple of K type

-280..1382°C

Thermocouple of N type

-250..1310°C

Thermocouple of E type

-280..1010°C

Thermocouple of R type

-55..1775°C

Thermocouple of S type

-55..1775°C

Voltage input 0..10V

-13..13 V

Current input

-24..24 mA

Voltage input

-10..63 mV

Current time

00.00..23.59

0.5 sec/ 24h


Outputs

Output kind

Properties

Remarks

Relay output

• 2 x relays, voltageless NO contacts load-carrying capacity 250 V a.c./ 0,5 A a.c.
• 2 x relays, voltageless CO contacts load-carrying capacity 250 V a.c./ 0,5 A a.c.


2 x CO contacts optional

Analog output

• current programmable 0/4..20mA, load resistance ≤ 500 Ω
• voltage programmable 0..10V load resistance ≥ 500 Ω

optional
Error of analogue output:
0.2% of the set range
Additional error from
temperature changes:
50% of the class/10K

OC output

• OC type, passive npn, 30V d.c./30mA

optional

Auxiliary supply

• 24 V d.c./ 30mA

optional


Digital interface

Interface type

Transmission protocol

Modes

Baud rates

Remarks

RS-485

MODBUS RTU

8N2, 8E1, 8O1, 8N1

4.8, 9.6, 19.2, 38.4 kbit/s

optional


External features

Readout field

5 digit LED display ,
indication range -19999..99999 digit,
height: 14 mm

three-colour display
(colour changes depending on displayed value):
red, green, orange

Weight

< 0.2 kg

 

Dimensions

96 x 48 x 93 mm

Panel cut out: 92+0,6 x 45+0,6 mm

Protection level (acc. to EN 60529)

from frontal side: IP65

from rear side: IP10


Rated operating conditions

Supply voltage

85..253 V a.c./d.c. (40..400Hz) or
20..40 V a.c./d.c. (40..400Hz)

 

Temperature

ambient: -25..23..55 °C

storage: -33..70 °C

Relative humidity

25..95%

condensation inadmissible

Working position

any

 

External magnetic field

0..40..400 A/m

 


Safety and compatibility requirements

Electromagnetic compatibility

Noise immunity

acc. to EN 61000-6-2

Noise emission

acc. to EN 61000-6-4

Insulation between circuits

basic

acc. to EN 61010-1

Pollution degree

2

Installation category

III

Maximal phase-to-earth working voltage

for the supply circuit: 300V

for remaining circuits: 50V

Altitude above sea level

<2000 m

 

Ordering information

Please refer to the image below for ordering information.

 

 

Part numbers

Parts Price Dimensions Outputs Supply voltage
2 relays (NO) 85-253V ac/dc
96 x 48 x 93 mm analog, RS485, 2 relays 85-253V ac/dc
96 x 48 x 93 mm analog,RS485, 4 relays 85-253V ac/dc
96 x 48 x 93 mm 2 relays (NO) 20-40V ac/dc
96 x 48 x 93 mm analog, RS485, 2 relays 20-40V ac/dc
96 x 48 x 93 mm analog,RS485, 4 relays 20-40V ac/dc

Part

Lumel N30U panel meter

N30U10XX
Panel Meter, 2x OC Outputs, 85-253V ac

Technical data

Additional functions Conversion of any measured value into current or voltage analog signal. Storage of minimal and maximal values for all measured quantites. 21-point rescaling for the measured value (does not apply to N30P and N27P). Password protection. Programmable current and voltage transformer ratio (applies to N27P and N30P).
Class 0.1
Digital interface RS-485 Modbus Slave - Option
Display Yes
Input type temperature, resistance and standard signals
IP class IP65
Mounting Panel mount
Number of digits 5
Number of rows 1
Outputs 2 relays (NO)
Supply voltage 85-253V ac/dc
Temperature operational max 55 °C
Weight 0,2 kg

Resource

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