We, Spapceage Security Systems Ltd. manufactures 4-Channel DC Energy Meters. We have a well management system, strives to offer the best quality products and service as possible as we can, as we believe quality is the best value of a Company. Our motto is 'good quality, competitive prices and efficient delivery'.

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We have bts 4 channel dc energy meter from spaceage :-

(a) general specifications :
(1) parameters: current, voltage and energy for each channel of 4 channels.
(2) accuracy: 1% of the range for voltage (voltage range is 20v to 70v dc). 1% of the range for current (current range is 0 to 99.9a dc). 1% of the range for cumulative energy.
(3) resolution: 2 place decimal for voltage and 1 for current. 2 place decimal for energy.
(4) no. Of digits: 3 digits for current and voltage.
(5) input supply: 20v to 70v dc, polarity independent.
(6) size: 96mm (w) x 96mm (h) x 65mm (d).
(7) operating principle: micro-controller based. Real time clock incorporated.
(8) operating temperature: 0c to 55c.

(b) range of operation :
(1) voltage dc: 20v to 70v.
(2) current dc: 0a to 99.9a.

(c) inputs (4 independent channels) :
(1) dc voltage: 20v to 70v.
(2) dc current: the four channels dc current (0 to 99.9 a) provided to sense the current.

(d) display : information displayed using lcd with back light 2 information displayed by automatic scrolling or manual scrolling.

(e) communication : the dc em communicates with other devices on a 2-wire optically isolated rs-485 link and uses the modbus rtu slave protocol.

(f) mounting : wall mounted, mounting fixture provided. Optionally rack mounting can also be provided.

(g) sensor options :
(1) shunt based requires wires to be cut and thimbles to be crimped.
(2) hall effect based cable can be threaded through these sensors. Sensors mounted on pcbmounting plate and powered internally from the meter.
(3) split core hall effect sensors these sensors can be clamped upon the cables and hence no disruption in working of site. Sensors mounted on pcbmounting plate and powered internally from the meter.
(4) sensor mounting wall mounting.

(h) data storage and display capability :
(1) daily day energy consumption of last four months is stored on memory.
(2) monthly consumption data for last 12 months.
(3) information can be accessed on the lcd display locally.
(4) user can directly view results of a specific month instead of scrolling thru sequentially all the data.

(i) password protections :
(1) first password for entering into config mode.
(2) config. Password can be modified in the field.
(3) second password to reset config mode password, if user has forgotten the same.
(4) third password to reset memory data.

(j) settings under config mode -- allows following settings to be changed in a user friendly manner :
(1) slave id
(2) date, protection against invalid date
(3) time, protection against invalid time
(4) history view
(5) memory reset
(6) password reset