Product Comparison

i-meter® MF Series
i-meter® MF12
i-meter® 636
i-meter® 45

Model

 

i-meter® MF 3
i-meter® MF 6

 

i-meter® MF12
i-meter® MF12TK

i-meter® 636 EXTC (External CT’s)
i-meter® 636 INC   (Internal CT’s)

i-meter® 45(Rails)
i-meter® 45 (Interface Board)

Dimensions

Inches

9.8 H x 7.3 W x 3.5 D

8 H x 7 W x 2.5 D

6.5 H x 16 W x 13 D

16.5 H x 4.5 W x 2 D
ENC with MDU
24 H x 8 W x 5 D
ENC without MDU
24 H x 6 W x 4 D

16.5 H x 4.5 W x 2 D
ENC with MDU
24 H x 8 W x 5 D
ENC without MDU
24 H x 6 W x 4 D

Dimensions

Milimeters

275 H x 185 W x 89 D

201 H x 169 W x 63 D

165 H x 406 W x 330 D

420 H x 115 W x 45 D
ENC with MDU
610 H x 203 W x 127 D
ENC without MDU
610 H x 152 W x 102 D

420 H x 115 W x 45 D
ENC with MDU
610 H x 203 W x 127 D
ENC without MDU
610 H x 152 W x 102 D

Mounting Options

Surface Mount

Surface Mount

Embedded / External

Embedded / External

# of Meters

1 to 2

1 to 12

1 to 16

1 to 45

Metering Elements (CT's)

1 to 7 (with Neutral)

1 to 12

1 to 16

1 to 45

Voltage

Auto Ranging
90 to 600 Volts (347 L/N)

Auto Ranging
90 to 600 Volts (347 L/N)

Auto Ranging
90 to 600 Volts (347 L/N)

Auto Ranging
90 to 600 Volts (347 L/N)

Service type:
1Ø 2W, 1Ø 3W,
2Ø 3W, 3Ø 4W wye,
3Ø 3W Delta (with PT’s)

 

Yes

 

Yes

 

Yes

 

Yes

80/100 mA output         Current Transformers

Yes

Yes

Yes

Yes

Instrument Transformer Interface

Yes

Yes

Yes

Yes

Memory

45 days (5 min intervals) kWh

45 days (5 min intervals) kWh

45 days (5 min intervals) kWh

Optional Modules                   Up to 4 GB Memory

Pulse Output

Wh/VAh

Wh/VAh

Wh

Wh

Communications

MODBUS/RTU
BACNET/MSTP
RF
ETHERNET

MODBUS/RTU
BACNET/MSTP
RF
ETHERNET

MODBUS/RTU
BACNET/MSTP
RF
ETHERNET

MODBUS/RTU
BACNET/MSTP
RF
ETHERNET

Accuracy Class

0.5

0.5

0.5

0.5

Real-Time Measurements

V, I, kW, kVA, kVar, PF, Hz, THD (V/I)

V, I, kW, kVA, kVar, PF, Hz, THD (V/I)

V, I, kW, kVA, kVar, PF, Hz, THD (V/I)

V, I, kW, kVA, kVar, PF, Hz, THD (V/I)

Operating Termperature

-20°C to +53°C

-40°C to +60°C

-40°C to +53°C

-40°C to +53°C

Regulatory Compliance / Approvals

Measurement Canada
CSA (C/US)
UL
CE
CTEP (CA)

 

CSA (C/US)

Measurement Canada
CSA (C/US)
UL
CE
CTEP (CA)

Measurement Canada
CSA (C/US)
UL
CE
CTEP (CA)

Patent

U.S. Patent No.
8,049,488

U.S. Patent No.
8,049,488

U.S. Patent No.
8,049,488

U.S. Patent No.
8,049,488

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