Apex
High-precision Energy Meter
Apex is our most advanced metering system, specifically
designed for grid substations (GSS) and bulk power transfer
points. It offers a complete grid metering solution to utilities,
with comprehensive connectivity via various communication
technologies to software systems for monitoring and billing.
Applications
Features
· Metering for interface points (Genco-Transco-Discom),
· Full four-quadrant import/export metering
inter-state and intra-state Availability Based Tariff (ABT)
points
· Modular rack-mounted metering system, with up to four
meters per rack
· Suitable for ABT online monitoring systems
· Draw-out type meter module with automatic CT shorting
· Energy accounting system for bulk consumers and open-
· Dual auxiliary power supply (AC and DC)
access consumers (IPP/CPP)
· Suitable for synchronised real-time energy monitoring at
central and local GSS level
· Multi-feeder metering (using real-time kVA summation
application)
· Dynamic error compensation for external current and
voltage transformers
· Configurable load profiles
· Comprehensive data storage
· Configurable pulse outputs
· User-friendly LCD information panel
Benefits
· Maximum revenue integrity through highest possible level
of metering system accuracy
· Efficient network management through accurate and
detailed energy flow data
· Elimination of data gaps and revenue losses through use of
hot-swappable meter modules
· Minimised integration costs through multiple
communications interfaces
· Flexible tariff support (time of use/ABT/concurrent
demand)
· Multiple communication ports for local and remote data
transfer
· Digital summation for summated energy and concurrent
apparent demand (select variants)
Apex
Technical specifications
Electrical
Connection type
CT/PT-operated
Wiring configuration
3-phase 3-wire, 3-phase 4-wire
Voltage range
63.5 V (L-N), 110 V (L-L), -20% to +15%
Current range
1-1.2 A, 5-6 A
Accuracy
Class 0.2s
Mains frequency
50 Hz ± 5%
Burden
Voltage circuit: < 1 W, 1 VA per phase
Current circuit: < 1 VA per phase
Compliance
Standards
IEC 62053-22, IS 14697
Mechanical
Dimensions (W x H x D)
19” rack (up to 4 meter modules)
428 × 133 × 260 mm approx. (all variants)
Small rack with single meter
299 × 133 × 260 mm approx. (select variants)
Enclosure
Anodized aluminium
Sealing
Sealable screws on the front panel of each meter module
Environmental
Temperature
-20 ºC to +55 ºC (operating)
Humidity
95% non-condensing
Features
Auxiliary supply *
AC: 110/240 V, DC: 24/30/48/110/220 V
Different combinations of AC & DC ratings available on request
Maximum demand
Up to 2 types, configurable in 4 registers
Display
80-character, alphanumeric backlit LCD
Pulse output
Each metering module supports up to 4 pulse outputs
- Type: volt-free contacts
- Voltage rating: 240 V AC
- Current rating: 100 mA
- Pulse width: 80 ms
Communication
Local reading
Optical port on the front of each metering module
Remote reading
On-demand remote reading via RS-232 port on rack, with option of
RS-485 Modbus (select variants)
Online monitoring: optical port on rack (select variants)
* Dimensions, auxiliary supply rating and communication options depend on product variant.
Secure Meters Limited
P.O. Box No. 30, E-Class Pratap Nagar Industrial Area, Udaipur 313003, INDIA
T: 91-294-2492300-04 | F: 91-294-2492310 | E:mktg@securetogether.com | www.securetogether.com
Specifications are subject to change without prior notice
Optical port on the front of the summator unit (select variants)
Apex 100
High-end Precision Meter
Apex100 is an advanced high-end precision meter, specifically
designed for generation, transmission and consumer bulk power
transfer points. It supports the ICS DLMS open data exchange
protocol for ease of reading and for integration with other
systems. Comprehensive connectivity to back-end systems for
monitoring and billing is provided via various communication
technologies.
Application
Features
Ÿ Bulk energy transfer measurement and reconciliation
Ÿ Full four-quadrant import/export metering with active,
Ÿ Captive power plants (CPP), feeder monitoring, grid
substations and wind turbines
Ÿ On-line monitoring of energy exchange at various
interface points
Ÿ Metering for availability based tariffs (ABT) and open
access systems
Ÿ Energy accounting systems
Benefits
Ÿ Elimination of data gaps and revenue losses through use
of hot-swappable meter modules, with automatic
shorting of external current transformers
Ÿ Minimal integration costs through multiple
communications interfaces
Ÿ Complies with the DLMS open data exchange protocol
Ÿ Maximum revenue integrity through highest possible
level of metering system accuracy
Ÿ Efficient network management through accurate and
detailed energy flow data
Ÿ Suitable for diverse applications through wide-range
voltage, current and auxiliary supply inputs
reactive and apparent measurement
Ÿ Total harmonic distortion (THD) measurement for
currents and voltages
Ÿ Draw-out type meter module with automatic CT shorting
Ÿ Wide-range dual auxiliary power supply (AC and DC),
with option for self-powering
Ÿ Dynamic error compensation for external current and
voltage transformers
Ÿ Intuitive graphical display for parameters and data
Ÿ Two metrology LEDs for simultaneous accuracy testing of
different parameters
Ÿ Four LEDs for energy redirection and status indication
Ÿ Comprehensive data storage for current and historical
readings and load survey data
Ÿ Flexible time-of-day tariff and maximum demand
support, with automatic billing
Ÿ Multiple communication ports for local and remote data
transfer and for interfacing with external systems
Ÿ Interoperable DLMS and Modbus protocols for meter
reading
Apex 100
Technical specifications
Electrical
Connection type
Wiring configuration
Voltage range (L-N/L-L)
Current range
CT/PT-operated
3-phase 3-wire, 3-phase 4-wire
57.7/100 V to 69.3/120 V (configurable)*
Ib: 1-5 A (configurable)*
Imax: up to 10A (configurable)*
Accuracy
Mains frequency
Burden
Class 0.2s
50 Hz ± 5%
As per compliance standards
Compliance
Standards
Certification
IEC 62053-22, IS 14697
IS 15959
Mechanical
Dimensions (W x H x D)
19” rack (up to two meters)
11” rack (single meter)
Enclosure
Sealing
Weight
428 × 133 × 260 mm approx
299 × 133 × 260 mm approx
Translucent polycarbonate cover (with clear tranparent window for
display) and overall mild steel body
Sealable screws on the front and back fascia of meter
Sealing provision for optical port & MD reset button
6 kg approx. (with rack)
Environmental
Temperature
Humidity
-10 ºC to +55 ºC (operating)
-20 ºC to +65 ºC (storage)
95% non-condensing
Features
Display
Inputs and Outputs
Pulse outputs
Pulse input
Communication
Local reading
Remote reading
- Dual Aux. supply provision for 48-276 V AC/DC
- Option for Aux. supply 24-48 V DC
- Option for self-powered supply with one Aux. supply
Large backlit graphical LCD, with three buttons for parameter selection
Four volt-free outputs, rated for 100 mA, 110-230 V AC/DC, pulse
width 80 ms. LEDs indicate status of pulse outputs.
One input for time synchronization, rated for 100 mA, 24-40 V DC
Optical port (1107)
Optional USB (Type A) port
Optional RS-232/RS-485 port for connecting to GSM/GPRS modem
Optional Ethernet (Modbus and DLMS over TCP/IP) for on line monitoring
and SCADA integration
‫ ٭‬Electrical, mechanical and software features options depend on product variant.
Secure Meters Limited
P.O. Box No. 30, E-Class Pratap Nagar Industrial Area, Udaipur 313003, INDIA
T: 91-294-2492300-04 | F: 91-294-2492310 | E:mktg@securetogether.com | www.securetogether.com
Specifications are subject to change without prior notice. (11-11)
Auxiliary supply