Digital Tariff Meter - ITZ - Imbema Belgium

Technical
Specification
Up to 4 tariffs
With internal Real Time Clock
Optionally available as a bidirectional energy meter
Optional with measurement of absolute value IWI
LC-Display with 8 digits
Buffer battery for readout
of the display without voltage supply
Operation via push buttons
Manipulation recognition
Detection of momentary values
ITZ
Digital Tariff Meter
EMH Elektrizitätszähler
GmbH & Co KG
Südring 5
D-19243 Wittenburg
Tel. +49-(0)3 88 52-645-0
Fax+49-(0)3 88 52-645-29
Email info@emh-meter.de
Internet www.emh-meter.de
Edition: 12. May 2005

Digital Tariff Meter ITZ
Electricity Meter for measuring of active energy for billing purposes
Voltage 4-wire meter 3x230/400 V, 3x220/380 V, 3x58/100 V, 3x63/110 V, 3x115/200 V
3x127/220 V, 3x132/230 V
Current 5(60) A, 5(85)A, 5(100) A, 10(60) A, 10(65) A, 10(100) A; 5II1 A, 5 A
Frequency 50 Hz, 60 Hz
Accuracy active energy Cl. 2 accord. to IEC 62053-21, Option: Cl. 1
Measuring types active energy W+ (with non-reverse ratchet), Option: W+/W- and absolute value IWI
Meter contants LED (Imp./kWh) 500 - 40 000 (depending on meter type)
output (Imp./kWh) 250 - 20 000 (depending on meter type)
Energy registers maximum number 4 tariff registers + 1 tariffless register, 10 pre-values each
Maximum registers maximum number 1 maximum register (24 h continuously active), 15 pre-values
measuring period 10 or 15 min (parameterable)
Real Time Clock accuracy within +/- 5ppm
sychronization via data interfaces, control input or line frequency
running reserve battery > 10 years
running reserve capacitor > 7 days
Control inputs S0- or impulse input 1
system voltage max. 2
Data retention time without voltage in the EEPROM, at least 20 years
Display type LCD
digit size 8 x 4 mm (value range)
additional display status information about phase failure, phase sequence, tariffs,
meter start-up, manipulation and running reserve of RTC
read out without voltage supply by buffer battery (optional)
Operation mechanical buttons for display call-up and reset (sealable)
optical sensor for display call-up
Data interfaces optical data interface optical data interface D0
electrical data interface RS485 or CL0
data protocols IEC 62056-21
maximum transmission rate 300, 1200, 2400, 4800, 9600 Baud, Mode C
Outputs maximum number 3
S0 max. 27 V DC, 27 mA
Opto-MOSFET max. 250 V AC/DC, 100 mA ( make- or break contact)
relays max. 250 V AC/DC, 100 mA (make contact)
high load relay max. 250 V AC/DC, 10 A (make contact)
Energy supply switched-mode power supply 3-phase from the measuring voltage
mains buffering time > 200 ms
Power consumption voltage path < 1.3 VA / 0.8 W
per phase (Basic meter) current path < 0.03 VA
EMC-characteristics isolation resistance isolation: 4 kV AC, 50 Hz, 1 min
surge voltage EMC: 4 kV, impulse 1.2/50 ms, 2 W
ISO: 6 kV, impulse 1.2/50 ms, 500 W (measuring paths and in- and
outputs)
optional ISO: 8 kV, impulse 1.2/50 ms, 2 W (measuring paths and inputs),
6 kV, impulse 1.2/50 ms, 500 W (outputs)
resistance against HF-fields 30 V/m (under load)
Temperature range operating / limit -25°C...+60°C / -40°C...+70°C
storage and transport -40°C...+70°C
Relative humidity 90% at 40°C, non-condensing
Housing dimensions approx. 178 x 328 x 61 (W x H x D) mm
class of protection 2
degree of protection housing/terminals IP 51 / IP 31
material polycarbonate glass-fibre-reinforced, recyclable
fire characteristics flame-inhibiting (without halogen)
weight up to 60 A approx. 1.35 kg
up to 100 A approx. 1.6 kg
Further features manipulation recognition with opening Registration of the number of manipulation attempts and the start and
of the terminal cover and recognition end of the last 10 manipulation attempts.
of electromagnetic interference
detection of momentary values P (per phase and for the sum), U and I (per phase)
Product specifications are subject to change without notice!
EMH Elektrizitätszähler GmbH & Co KG
Südring 5 • D-19243 Wittenburg
Telefon +49(0)3 88 52 - 645 - 0 • Fax +49(0)3 88 52 - 645 - 29
Internet www.emh-meter.de • Email info@emh-meter.de