NA5PLUS, NA6PLUS

Pt100

(-200...+850)°C measuring sub-range: 320°C

Pt500

(-200...+850)°C measuring sub-range: 230°C

Pt1000

(-200...+850)°C measuring sub-range: 290°C

J (Fe-CuNi)

(-100...+1100)°C measuring sub-ranges: 350°C, 700°C

K (NiCr-NiAl)

(-100...+1370)°C measuring sub-ranges: 450°C, 950°C

N (NiCrSi-NiSi)

(-100...+1300)°C measuring sub-ranges: 550°C,1000°C

E (NiCr-CuNi)

(-100...+850)°C measuring sub-ranges: 250°C, 520°C

R (PtRh13-Pt)

(0...+1760)°C

S (PtRh10-Pt)

(0...+1760)°C

T (Cu-CuNi)

(-50...+400)°C

Resistance measurement:

0... 10kΩ measuring sub-ranges:
110Ω, 220Ω,450Ω, 950Ω, 2100Ω, 5000Ω

Voltage measurement:

± 300 mV input resistance > 9 MΩ
± 600 V input resistance > 4,2 MΩ
measuring sub-ranges: 19 mV, 35 mV, 75 mV,
155 mV, 5 V, 11 V, 22 V, 45 V, 90 V, 180 V, 360 V

Current measurement:

± 40 mA: input resistance < 4 Ω
± 5 A: input resistance 10 mΩ ±10%
measuring sub-ranges: 5 mA;
11 mA; 23 mA; 1,8 A; 3,8 A

Intensity of the current flowing
through the resistance
thermometer:

< 400 µA

Resistance of wires linking the
resistance thermometer with
the meter:

< 20 Ω/wire

Thermocouple characteristics, acc. EN 60584-1
Resistance thermometer characteristics, acc. IEC 751+A1+A2.

Analogue outputs:

- galvanically isolated, with a resolution 0.025% of the range.
- current programmed: 0/4...20 mA, load resistance ≤ 500 Ω
- voltage programmed: 0...10 V, load resistance ≥ 500 Ω
- output response time: 100 ms
- output error: 0.2% of the range
- additional error from ambient temperature change:
± (0.1% of the range/10K)

Relay outputs: 4 relays

- voltageless make contacts - maximal load:
- voltage 250 V a.c., 150 V d.c.
- current 5 A 30 V d.c., 250 V a.c.
- resistance load 1250 VA, 150 W
- programmed alarm thresholds,
- three types of alarms,
- hysteresis defined by means of the lower and upper alarm threshold,
- signalling of alarm operation on the bargraph

8 outputs of OC type (open
collector):

voltageless, of OC type with npn transistor (maximal load 25 mA) range of
added voltages: 5... 30 V d.c.

Digital outputs:

- interface: RS-485,
- transmission protocol: MODBUS,
ASCII 8N1, 7E1, 7O1,
RTU 8N2, 8E1, 8O1, 8N1,
- baud rate: 2400, 4800, 9600 bauds,
- maximal response time to the query frame: 300 ms

Memory parameters:

- meter memory ( recording):
- NA5, NA6: 750 samples (channel 1 or 2)
or 375 samples (channel 1)
+ 375 samples (channel 2)
- minimal recording interval: 1 s

Basic error:

- NA5, NA6
0.1% ± 1 digit

Additional error from ambient
temperature changes:

- NA5, NA6
0.05% of the range/10K

Averaging time:

min 200
ms min 500 ms (temp. ranges)

Rated operation conditions:

- supply voltage depending on the version code:
95...230...253 V a.c./d.c.
20...24...40 V a.c./d.c.
- frequency of the supply voltage: 40...50/60...440 Hz
- ambient temperature: - 10...23...55°C
- storage temperature: - 25... + 85°C
- relative humidity: < 95% (no condensation)
- pre-heating time of the meter: 10 minutes
- working position: any

Sustained overload:

- thermocouples, resistance thermometers: 1%
- voltage, current and resistance measurement: 10%

Short duration overload (3 s):

- inputs of sensors: 30 V
- voltage input > 2.5 V: 10 Un (< 1000 V)
- current input: 10 In

Bargraph resolution:

programmable

Bargraph accuracy:

± 0.5 segment

Servicing:

3 keys:

Protection grade ensured:

- by the housing:
- NA5, NA6: IP 50
- from terminal side: IP 20

Dimensions:

NA5, NA6: 48 x 144 x 100 mm (with terminals)

Cut-out dimensions in the panel:

NA5, NA6: 44+0.5 x 137.5+0.5 mm

Weight:

< 0.4 kg

Power consumption:

< 12 VA

Resistance against voltage decay:

according EN 61000-6-2

Electromagnetic compatibility:

- immunity: EN 61000-6-2
- emission: EN 61000-6-4

Safety requirements according
EN 61010-1:

- installation category: III
- pollution level: 2
- working voltage in relation to the ground: 600 V a.c.

Display Field: NA5: 4 seven-
segment LED displays

digit height: 7 mm
indication range: -1999...9999
multicolour bargraph of 88 mm length
55 segments in 3-colour version
29 segments in 7-colour version

NA6: 2 x 4 seven-segment
LED displays

digit height: 7 mm
indication range: -1999...9999
multicolour bargraph of 88 mm length
48 segments in 3-colour version
27 segments in 7-colour version