Vref

4.096V=

CT Current Transformers

Sensor	Range (Rms Amps)	Burden Resistor Rb (Ω)	Dividing Resistor (Ω)	Gain Resistor Rg (Ω)	Calibration Coefficient (theoretical)
SCT-019-000	200	10	0
SCT-013-000	100	10	0	53.6 kΩ	69.8
60	10	0
50	10	0
30	10	0
25	10	0
20	10	0
10	10	0	3.6 kΩ	6.95
SCT-006-000	20	10	0	22k	14.43
SCT-024 400:5	400	0.24	0	No	80
SCT-013-030	30	62 (internal)	0	200k	20

AC Voltage

Sensor	Range @ sensor input	Range @ board input	Burden Resistor Rb (Ω)	Dividing Resistor (Ω)	Gain Resistor Rg (Ω)	Calibration Coefficient (theoretical)
Any ac/ac adaptor up to 22V output	(EU) 77DE-06-09: 420V (UK) 77DB-06-09: 455V (US) 77DA-10-09: 220V	22V	33 kΩ	470 kΩ	No	(EU) 77DE-06-09: 290.0 (UK) 77DB-06-09: 314.2 (US) 77DA-10-09: 152.0
Any ac/ac adaptor up to 18V output	(EU) 77DE-06-09: 360V (UK) 77DB-06-09: 389V (US) 77DA-10-09: 188V	18.8V	10 kΩ	120 kΩ	No	(EU) 77DE-06-09: 248.69 (UK) 77DB-06-09: 268.96 (US) 77DA-10-09: 130.00
ZMPT_1X_225	418V	0.2611V	No	0 Ω	22kΩ	356.7
ZMPT_1X_280	263V	0.1317V	No	0 Ω	10kΩ	181.82
ZMPT_1X_140	132V	0.1317V	No	0 Ω	10kΩ	90.91

3.3V=

Sensor	Range @ sensor input	Burden Resistor Rb (Ω)	Dividing Resistor (Ω)	Gain Resistor Rg (Ω)	Calibration Coefficient (theoretical)
Any Ideal Power
ZMPT101B 160kΩ in 100Ω out sensitity 0.625mV/V	280V	No	0 Ω	22K	284.37 (exp)