AC Ammeter - 2024

Model NB-C1-ACA

AC Ammeter circuit board that fits inside a Chi Tai DM-7xx case. The 2024 version fits inside the old and new Chi Tai cases without modification.

Suitable for 12 volt and 24 volt boats. Works with a 7V to 36V supply.

Power consumption

Supply                               13.80V   27.60V
----------------------------------------------------
AC Ammeter C1                         0.30W    0.30W
Chi Tai AC Voltmeter                  2.51W    2.51W

Functions

The functions that can be set using the rotary switch are:

0 - Programmable functions - Default 50.00A ammeter
1 - 50.0A ammeter
2 - 100.0A ammeter
3 - 150.0A ammeter
4 - 200A ammeter
5 - 250A ammeter
6 - 300A ammeter
7 - 400A ammeter
8 - 500A ammeter
9 - 600A ammeter

Programmable Functions

Plugging a PC or Mac into the micro USB socket at rear of the board allows configuration of:

• Display brightness
• Current range in 50A steps from 50A to 1000A
• Decimal place on or off
• Alert if the current falls outside of the selected range
• Calibration

Download NordyBits Config for Windows

When you are replacing an AC ammeter, it's worth checking that the wires from the current sensor are clean and screwed down tightly. Look for any signs that the plug has overheated in the past and replace it if needed.

Installation Instructions

Download