Lumel NA3, Руководство пользователя и краткое руководство по началу работы

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OUTPUTS:
– Analogue output galvanically isolated, with a resolution = 0.025%
of the range
- current programmable: 0/4..20mA load resistance  500 
- or voltage programmable: 0..10V load resistance  500 
- output response time: 100 ms
- output error: 0.2 % of the range
- additional error due to ambient temperature changes:  (0.1% of
the range /10K)
– Relay output
Relays (1 or 2); 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.
Programmable alarm thresholds;
Three types of alarms;
Hysteresis defined by means of the lower and upper alarm threshold;
Signalling of alarm operation on the bargraph or by means of alarm
diodes.
– Output of open collector (OC) type voltageless, OC type with npn
transistor (max. load 25 mA); range of added voltage: 5...24 V d.c.
– Digital output: interface: RS-485,transmission protocol: MODBUS,
ASCII: 8N1, 7E1, 7O1, RTU: 8N2, 8E1, 8O1, 8N1,
baud rate: 2400, 4800, 9600 baud
maximal response time to the request frame: 300 ms.
Memory parameters: - meter memory (record) 750 samples
- min. record interval 1 sec;
Basic error: 0.2%  1 digit
Additional errors in nominal working conditions when measuring the
temperature:
- compensation of reference junction temperature changes:  0.2 % of range
- compensation of wire resistance changes:  0.2 % of range
Additional error from ambient temperature changes:
 (0.1 % of
range/10K)
Averaging time
: min 500 ms, temperature measurement
min 200 ms, other ranges
Rated operation conditions:
- supply voltage depending on the execution code 95...230...253 V a.c./d.c.
20...24...40 V a.c./d.c.
- supply a.c. voltage frequency: 40...50/60...440 Hz