Meter Types

SHM COMMUNICATIONS LTD

Engineering Energy Information

PREFERRED Meter Types FOR Tenant Billing and Energy Management systems

Table 1 Meter Selection Chart

Supply	Connection	Rating Amps	Mounting	Meter	Approval	Parameters	Notes
*Approved for Tenant Billing*
1Φ	direct	32	DIN rail	CG EM10	Ofgem	kWh
1Φ	direct	100	Surface	Elster A100C	Ofgem	kWh
3Φ or 1Φ	direct	63	DIN rail	CG EM24DIN DC	MID	multiple	Can be used as 3 single phase meters in one meter
3Φ	direct	120	Surface	Iskra MT171DC	Ofgem	kWh
3Φ	CT	5A	DIN rail	CG EM24DIN CT	MID	multiple	Can be used as 3 single phase meters in one meter
3Φ	CT	5A	DIN rail	CG EM24DIN CT	MID	multiple	Can be used as 3 single phase meters in one meter
3Φ	CT	5A	Panel	CG EM24-DIN + Bezel + Terminals	MID	multiple	Supplied as pre-assembled panel meter
3Φ	CT	5A	Surface	Iskra MT171CT	Ofgem	kWh
*Landlord Supplies*
3Φ or 1Φ	direct	100	DIN rail	CG WM22DIN	Class 1	multiple	dual pulse
3Φ	CT	5A	DIN rail	ND PR303	Class 1	kW, kWh	single pulse
3Φ	CT	1V	DIN rail	ND PR303V-200	Class 1	kW, kWh	includes 3no 1Vrms clamp-round CT's 50/100/200A
3Φ	CT	1V	DIN rail	ND PR303V-800	Class 1	kW, kWh	includes 3no 1Vrms clamp-round CT's 200/400/800A
3Φ	CT	5A	DIN rail	CG WM2DIN	Class 1	multiple	single pulse
3Φ	CT	5A	Panel	ND MultiCube3	Class 1	multiple	dual pulse

Table 2 Meter Management Units for DIN-Rail Mounted Meters

Type No	Description	Meter types
MMU1C	Enclosure for one rail mount meter	PR303V
MMU1C-T	Enclosure for one rail mount meter with CT shorting links	PR303, WM2, WM22, EM10, EM24
MMU1C-T-P	Enclosure for one rail mount meter with CT shorting links and voltage test sockets	PR303, WM2, WM22, EM10, EM24
MMU2D	Enclosure for two rail mount meters	PR303V x 2 EM24DIN x 2

NOTES:

MID = Measurements Instrument Directive Approval. Ofgem = Ofgem Approval. All meters conform to EN62053-21 and EN62053-23 accuracy class 1 or class 2. All meters have pulse output.