Chola Meters (Sample)

Chola · CHO-5F9 series

Channels / points

32 inputs to 256 inputs (see variants)

Connectivity

Ethernet + 4G

Protocols

OPC UA

Serial ports

2 x RS-485

Digital I/O

4 DI / 2 DO

Lead time 1-2 weeks · Warranty 24 months from supply · MOQ 10 nos

Chola · CHO-C94 series

Channels / points

8 inputs to 64 inputs (see variants)

Connectivity

LoRaWAN

Protocols

MQTT

Serial ports

1 x RS-485

Digital I/O

4 DI / 2 DO

Lead time 1-2 weeks · Warranty 24 months from supply · MOQ 1 nos

Chola · CHO-DD4 series

Meter capacity

50,000 meters to 250,000 meters (see variants)

Deployment

On-premise

Protocols

IEC 61968-9

Communication support

NB-IoT

Data validation

Automated estimation

Lead time 10-14 weeks · Warranty 36 months support included · MOQ 2 licence

Chola · CHO-E72 series

DT rating covered

Up to 63 kVA to 500-1000 kVA (see variants)

Measurement

V, I, kW, kVA, PF, THD

Accuracy class

0.5S

CT input

Split-core CT 100/5 A

Communication

RF mesh

Lead time 6-8 weeks · Warranty 24 months from supply · MOQ 2 nos

Chola · CHO-401 series

DT rating covered

100-200 kVA to 500-1000 kVA (see variants)

Measurement

V, I, kW, kVA, PF, THD

Accuracy class

1.0

CT input

Split-core CT 100/5 A

Communication

RF mesh

Lead time 6-8 weeks · Warranty 36 months from supply · MOQ 1 nos

Chola · CHO-CF2 series

Channels

8 channels to 64 channels (see variants)

Input types

PT100

Resolution

16-bit

Sampling rate

100 ms min

Memory

2 GB

Lead time 1-2 weeks · Warranty 24 months from supply · MOQ 1 nos

Chola · CHO-BB7 series

Channels

4 channels to 16 channels (see variants)

Input types

PT100

Resolution

16-bit

Sampling rate

1 s min

Memory

32 GB

Lead time 1-2 weeks · Warranty 12 months from supply · MOQ 1 nos

Chola · CHO-697 series

Capacity

Portable site tester 0.1S to 3-ph 6-position 0.05 (see variants)

Reference accuracy

0.1%

Voltage range

57.7-480 V

Current range

0.001-100 A

Source type

Programmable electronic source

Lead time 8-10 weeks · Warranty 12 months from supply · MOQ 5 nos

Chola · CHO-E34 series

Capacity

CMRI handheld to Single-phase 6-position (see variants)

Reference accuracy

0.05%

Voltage range

57.7-480 V

Current range

0.001-100 A

Source type

Programmable electronic source

Lead time 8-10 weeks · Warranty 24 months from supply · MOQ 1 nos

Chola · CHO-257 series

Meter type

1-ph 5-30 A to Split 1-ph with CIU (see variants)

Accuracy class

1.0

Communication

GPRS/4G

Protocol

DLMS/COSEM

Disconnect relay

Internal 200 A (3-ph)

Lead time 3-4 weeks · Warranty 5 years from supply · MOQ 1 nos

Chola · CHO-BF6 series

Meter type

1-ph 10-60 A to Split 1-ph with CIU (see variants)

Accuracy class

1.0

Communication

GPRS/4G

Protocol

IS 15959 Part 2

Disconnect relay

Internal 200 A (3-ph)

Lead time 3-4 weeks · Warranty 5 years from supply · MOQ 5 nos

Chola · CHO-CA4 series

Type

Panel meter Class S to Fixed PQ + waveform capture (see variants)

Measurement class

Class A

Voltage input

57-690 V L-L

Current input

Rogowski coil

Harmonics

Up to 63rd

Lead time 6-8 weeks · Warranty 24 months from supply · MOQ 1 nos

Chola · CHO-316 series

Type

Panel meter Class S to Fixed PQ + waveform capture (see variants)

Measurement class

IEC 61000-4-30 Class S

Voltage input

Up to 1000 V CAT III

Current input

Clamp CT 5-3000 A

Harmonics

Up to 50th

Lead time 6-8 weeks · Warranty 36 months from supply · MOQ 1 nos

Chola · CHO-5C3 series

Meter type

1-ph smart 5-30 A to 3-ph HT 3P4W 1 A (see variants)

Accuracy class

0.5S

Reference voltage

240 V

Frequency

50 Hz

Communication

RS-485 Modbus

Lead time 2-3 weeks · Warranty 60 months from installation · MOQ 1 nos

Chola · CHO-C96 series

Configuration

Basic: GHI + ambient temp to Wind mast 80 m (see variants)

Pyranometer class

ISO 9060 Class B

Wind sensor

Cup anemometer

Temperature sensor

PT1000 back-of-module

Humidity range

0-100% RH

Lead time 2-4 weeks · Warranty 12 months from supply · MOQ 1 set

Chola · CHO-266 series

I/O capacity

32 DI / 16 DO / 8 AI to 512 I/O modular (see variants)

Protocols

DNP3

CPU

ARM Cortex-A9

Power supply

24 VDC

Operating temperature

-10 to 60 °C

Lead time 4-6 weeks · Warranty 36 months from supply · MOQ 1 nos