APM-MAX-M21-PU-4B.

## **APM-** MAX 

## **M21 and M23** 

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**Designed for a wide range of power monitoring applications, the APM-MAX combines the instant visual representation of an analog meter with the speed and accuracy of a digital meter for instant recognition and precision measurement. The large 81.5mm x 66mm display features a two-line display, programmable scale, alarm set-points and colorchanging, full color RGB backlight for instant alerts.** 

**APM-MAX-M21:** for high voltage applications; configurable as an ammeter, volt meter, frequency meter or power monitor (Watts, VA & Power Factor). **APM-MAX-M23:** for low voltage applications; configurable as a process meter or to be used in conjunction with a shunt. 

Both models feature digital and analog outputs and serial MODBUS[®] RTU as standard (ethernet MODBUS[® ] also available) for communication with other components in a system as well as an IP65 rating and our industry leading three-year warranty. 

**Go to www.trumeter.com/apm for further information** 

## Specifications 

## Large multi-format display that incorporates: 

- 60 segment bar graph display 

## **MEASUREMENT** 

Input range (V1) Current Input range (Direct) Current Input range (w/shunt) Frequency (AC) Power Measurement Accuracy (Frequency) Accuracy (Voltage) Display modes 

## **ENVIRONMENTAL** 

Temperature - operating Temperature - storage IP rating (from the front) 

## **M21** 

0-600V DC/AC 47-63Hz 0–5A DC/AC 45-65Hz 0-500mV DC/AC 45-65Hz 0–400Hz Watts, VA & Power Factor 

0.1% 

0.5% RMS 

-10 to +60°C -40 to +70°C IP65 

## **M23** 

0–10V DC 0–50mA DC 0-500mV DC 0–400Hz - 

- Large 4 digit display 

- Separate Starburst display area for annunciators, custom messages and alarm info 

- Full color RGB dynamic backlight for user alerts 

## Programmable: 

- Scaling and Range (min and max) 

- Custom annunciators 

- User selectable backlight color and intensity 

- Two independent alarm set-points 

- Two independent outputs 

- 4-20mA analog monitor output 

## Visibility: 

- The largest display of any APM 

- User adjustable RGB backlight provides an almost infinite range of colors for different requirements or environmental conditions. 

- Wide viewing angle (both horizontal and vertical) 

- Custom annunciators 

**POWER SUPPLY** Universal (AC) Low Voltage (DC) 

100–240V AC (50-60Hz) 12-24V DC (50-60Hz AC) 

**DISPLAY** 

Number of digits 4 Digit height 14.5mm [0.57”] Digit height of annunciator 6.8mm [0.27”] Number of message characters 4 

Full RGB backlight and White Positive or Negative 

Backlight colors LCD display 

## Part Numbers 

## **Standard Models - Modbus RTU** 

**APM-MAX-M21-PU-4R** Positive LCD, volt, amp, freq or power monitor, RTU **APM-MAX-M23-PU-4R** Positive LCD, process or shunt meter, RTU **APM-MAX-M21-NU-4R** Negative LCD, volt, amp, freq or power monitor, RTU **APM-MAX-M23-NU-4R** Negative LCD, process or shunt meter, RTU **APM-MAX-M21-PL-4R** Positive LCD, low voltage, volt, amp, freq or power monitor, RTU **APM-MAX-M23-PL-4R** Positive LCD, low voltage, process or shunt meter, RTU **APM-MAX-M21-NL-4R** Negative LCD, low voltage, volt, amp, freq or power monitor, RTU **APM-MAX-M23-NL-4R** Negative LCD, low voltage, process or shunt meter, RTU 

## **OUTPUTS** 

## **Standard Models - Modbus TCP/IP and RTU** 

Max voltage 34V Max current 500mA Analog output 4-20mA or 0-10V 

**COMMUNICATION** Modbus[®] RTU and/or TCP/IP **CERTIFICATION** UL and cUL, CE, UKCA 

**APM-MAX-M21-PU-4B** Positive LCD, volt, amp, freq or power monitor, TCP/IP and RTU **APM-MAX-M23-PU-4B** Positive LCD, process or shunt meter, TCP/IP and RTU **APM-MAX-M21-NU-4B** Negative LCD, volt, amp, freq or power monitor, TCP/IP and RTU **APM-MAX-M23-NU-4B** Negative LCD, process or shunt meter, TCP/IP and RTU **APM-MAX-M21-PL-4B** Positive LCD, low voltage, volt, amp, freq or power monitor, TCP/IP and RTU **APM-MAX-M23-PL-4B** Positive LCD, low voltage, process or shunt meter, TCP/IP and RTU **APM-MAX-M21-NL-4B** Negative LCD, low voltage, volt, amp, freq or power monitor, TCP/IP and RTU **APM-MAX-M23-NL-4B** Negative LCD, low voltage, process or shunt meter, TCP/IP and RTU 

Dimensions: 

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3.210 2.541 3.376<br>81.5 64.5 85.7<br>4.269 1.756<br>108.4 44.60<br>Panel cutout:  Square: 68mm x 68mm [2.7” x 2.7”]  Circle Diameter: 96mm  [3.8”]<br>4.269 108.4 2.596 65.9 3.376 85.7<br>**----- End of picture text -----**<br>


## **Options** 

|**Options**|||
|---|---|---|
|**DESCRIPTOR**|**DEFINITION**|**OPTIONS**|
|-**?**X-XX|LCD Type|P - Positive|
|||N - Negative LCD also available|
|-X**?**-XX|PSU Type|U – Universal 100–240V AC 50-60Hz|
|||L – Low Voltage 12-24V DC / 50-60Hz AC|
|-XX-**?**X|Analog Output|4 – 4 to 20mA / 0 – 20mA switchable|
|||_1 - 0 to 10V DC also available*_|
|-XX-X**?**|Communications|R – Modbus®RTU|
|||B – Modbus®TCP/IP and Modbus®RTU|
|**024569-21**|**024569-21**MAX Meter Evaluation Kit|MAX Meter Evaluation Kit|



**Trumeter (The Americas) Trumeter (Europe)** 6601 Lyons Rd, Suite H-7 Pilot Mill Coconut Creek, Florida Alfred Street FL 33073, Bury, USA BL9 9JR Tel: +1 954 725 6699 Tel: +44 161 674 0960 Email: sales.usa@trumeter.com Email: sales.uk@trumeter.com 

**Innovative Design Technologies Sdn. Bhd** Lot 5881, Lorong Iks Bukit Minyak 1 Taman Perindustrian Iks, 14000 Bukit Tengah Penang, Malaysia Web: www.idtworld.com Tel: + 604 5015700 Email: sales.my@idtworld.com 

**www.trumeter.com** 

APM-MAX-DS-v.2.6                        2/2023