---
product_id: 90928398
title: "AC 80-260V 100A CRS-022B LCD Display Digital Current Voltage Power Energy Frequency Power Factor Multimeter Ammeter Voltmeter with 100A Split Core Current Transformer"
brand: "crocsee"
price: "RM154"
currency: MYR
in_stock: true
reviews_count: 13
category: "Croc See"
url: https://www.desertcart.com.my/products/90928398-ac-80-260v-100a-crs-022b-lcd-display-digital-current
store_origin: MY
region: Malaysia
---

# 100A max current 6-in-1 simultaneous display Overload alarm with flashing alert AC 80-260V 100A CRS-022B LCD Display Digital Current Voltage Power Energy Frequency Power Factor Multimeter Ammeter Voltmeter with 100A Split Core Current Transformer

**Brand:** crocsee
**Price:** RM154
**Availability:** ✅ In Stock

## Summary

> ⚡ Empower your energy insights with CrocSee’s all-in-one digital multimeter!

## Quick Answers

- **What is this?** AC 80-260V 100A CRS-022B LCD Display Digital Current Voltage Power Energy Frequency Power Factor Multimeter Ammeter Voltmeter with 100A Split Core Current Transformer by crocsee
- **How much does it cost?** RM154 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.my](https://www.desertcart.com.my/products/90928398-ac-80-260v-100a-crs-022b-lcd-display-digital-current)

## Best For

- crocsee enthusiasts

## Why This Product

- Trusted crocsee brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **User-Friendly Controls:** One-button operation for backlight, energy reset, and power alarm setup—simplicity meets efficiency.
- • **Smart Overload Protection:** Instant flashing backlight & digits warn you before power limits are breached.
- • **Trusted Durability & Support:** Robust build with exceptional customer service that goes beyond warranty expectations.
- • **All-in-One Precision Monitoring:** Track voltage, current, power, energy, frequency & power factor on one crisp LCD.
- • **High-Resolution Energy Tracking:** Accurate watt-hour to kilowatt-hour readings with 0.1%-1% precision across ranges.

## Overview

The CrocSee CRS-022B is a versatile 6-in-1 digital multimeter featuring a large LCD that simultaneously displays voltage, current, active power, cumulative energy, frequency, and power factor. It supports up to 100A current with a split-core transformer, includes a manual backlight for easy reading in any lighting, and an overload alarm that flashes to alert users. Designed for precision, it offers energy measurement with 0.1%-1% accuracy across watt-hour to kilowatt-hour ranges. Its intuitive one-button control simplifies operation, while CrocSee’s renowned customer service ensures reliability well beyond the warranty period.

## Description

Product description Main Specifications 1. Working Voltage: 80 ~ 260VAC 2. Rated Power: 100A/22000W 3. Operating Frequency: 45/65Hz 4. Operating Temperature Range: 14℉~140℉ 5. Measurement Accuracy: 1% Main Functions 1. Measure all critical electrical parameters (voltage, current, active power, energy, frequency, power factor) 2. Overload Alarm: Backlight and power numbers will flash when exceeding the preset power value 3. The energy data can be reset with the button right to the display 4. Switchable (on/off) back light 5. Large & Legible LCD Screen 6. Store data when the power is off The large-screen LCD can display 6 electrical parameters at the same time. Test Range 1. Voltage: 80~260V 2. Current: 0~100A 3. Power: 0~22kW 4. Energy: 0~999kWh 5. Frequency: 45~65Hz 6. Power Factor: 0~1PF Durable Material GFR Nylon Enclosure Fireproof & Shock-resistant Easy to Read High Resolution LCD 360 Degree Viewable Split Core CT No need to cut the wire Ideal for retrofit installations NOTES 1. Please make sure the AC input is Pure Sine Wave.(Municipal electric power is pure sine wave). Please don't use the meter to measure AC power converterd from a DC-AC inverter UNLESS you can make sure the output from your DC-AC inverter is Pure Sine Wave. This is very importatnt. 2. This meter is used for single-phase power with one hot line and one neutral line. If you want to measure the circuit with 2 hot lines, you will need 2 meters, one for each line. 3. Applied load should not exceed the rated power. 4. Wiring order cannot be wrong. 5. This unit is suitable for indoor application only, do not use outdoors.

Review: Resetting the energy to zero; precision of the energy display; a great customer-service experience - This is an excellent product that I continue to be very happy with. I wanted to mention a few things that might be useful to potential buyers. 1. Expanding on the instructions of how to reset the total energy to zero The instructions say to hold the button down for 5 seconds until the energy value flashes and then release the button and tap it once again. That's the correct procedure, but what might be confusing is that there's an intermediate event that's not mentioned. When you press and hold the button, after 3 seconds the main display disappears and the words SET CLr appear. Since the energy numbers didn't start blinking but instead the screen with the energy numbers just disappeared from view you might be tempted to release the button. But don't do that! Instead keep holding the button for another couple of seconds and the main screen will reappear with the energy numbers flashing. ONLY THEN can you release the button and tap it once more to zero the energy value. 2. Understanding the precision of the energy numbers Note: In what follows I'm using the term "precision" to indicate the precision of what can be displayed, not reproducibility of repeated measurements. Because the energy display has only one fixed position for the decimal point - to the right of the leftmost digit - there are some limitations on the precision that can be displayed in different energy ranges, particularly above 10 kWh. I've attached some photos to illustrate this. The device has an energy resolution of 1 watt-hour (Wh). It won't display, for example, 0.5 Wh. A photo shows a display of 002 Wh. Many people will want to look at energy use above 100 Wh, and at that point the device begins displaying three significant digits. A photo shows a display of 132 Wh and another at 896 Wh. The measurement uncertainty in this range is 1 Wh. For example in the 132-Wh photo we know the energy is at least 132 Wh but less than 133 Wh. At 100 Wh this would represent a 1% uncertainty and it would be a 0.1% uncertainty at 999 Wh, just before the display mode changes. Above 999 Wh the decimal point appears and the display units change to kilowatt-hours (kWh). There are still three significant digits because the energy is displayed with two decimal places. Photos show 1.23 and 9.52 kWh. Just as in the previous display mode, the uncertainty beyond the last digit represents 1% at 1.00 kWh and 0.1% at 9.99 kWh. But at 10 kWh the fixed-position decimal point comes into play and things change. Because there is no position for a decimal point between the second and third digits the display can't show 10.0 but instead has to show 010, which is shown in a photo. This means that we know the energy is at least 10 kWh and less than 11 kWh. This 1 kWh uncertainty represents 10% at 10 kWh - far higher than the precision associated with measurements up to now. Obviously this 1 kWh uncertainty will become less important at higher energy ranges, representing 1% at 100 kWh and 0.1% at 999 kWh, the maximum energy that can be displayed. But it may be to much for some users wanting precise energy measurements closer to 10 kWh. To summarize, in the energy range from 100 watt-hours to 10 kilowatt-hours the device can display energy with a precision no worse than 1% and as good as 0.1%, which may be perfectly adequate for most users. Users who want to make careful measurements in the 10-30-kWh range - which may include PHEV owners and those partially recharging EV's - need to be sure that they understand what the display is capable of in this range. 3. Exceptional customer-service experience I bought two of these units in April, 2022. After making the measurements I needed I put them aside. In January 2025 I need to make some further measurements but had problems reliably resetting the energy to zero (which later turned out to be my own misunderstanding. See item 1.) I contacted CrocSee's customer service, hoping that they could tell me what I was doing wrong. Instead they offered to replace the units even though they had been out of their one-year warranty for almost two years! I very much appreciated this exceptional customer service, and I'm very happy with the product, which is meeting all my requirements.
Review: Nice little monitors! All the key circuit data you need, in one place. - PROS: Good size/form factor. Great value if you D.I.Y. & can set up your own enclosure/project box/installation. Clear, legible screens, switchable (on/off) back light, all critical data to monitor circuits in one place, ideal for load management for emergency home backup generators, or similar applications, claimed internal overload protect circuit, monitor uses very low AC load, quality construction & look/feel. Data seems accurate when compared alongside digital multi meter. Back lighting & clarity of alpha-numeric characters is very clear & consistent: my photos do not do justice to the appearance of the screens to the naked eye. (They're nice). Very pleased, so far. Quality/longevity TBD. CONS: No UL listing, not for installations requiring NEC/home insurance approval (Such a capable monitor [with UL or other approvals] is not available anywhere @ this price point, however). No ground/earth circuit. Current Transformer wires could be a bit longer: as close as the CT’s were to my monitors, I still needed to extend all (4) of the CT leads with separately purchased wire. Accuracy is impacted if you exceed MFG max recommended wire length. Check w/ MFG, or search reviews - info is there. In typical USA residential applications (Single-phase, 2 x 120VAC ~ 240VAC), it is necessary to use (2) monitors to analyze the (2) 120v. lines coming into a typical service panel or load center panel. This requires you to do some basic math to combine the values from each monitor to assess Total system loads, etc. Not a big deal, but there seems to be a missed market in the USA for a single screen monitor with the capability to monitor (2) typical residential 120v. supply lines or "legs" on a residential utility service. Like I said, Very Happy - these are minor nit-picks/suggestions. Buy it - you'll be happy for the price!

## Features

- The meter can only measure the active power(real power). It doesn't show Apparent power. If you measure power from a DC-AC inverter, please make sure it's PURE SINE WAVE. Otherwise the meter can be burnt or melted.
- 6 in 1 Meter：The large clear screen can display voltage/ current/ active power/ cumulative energy/ frequency/ power factor at the same time.
- Easy to Read: The backlight can be turned on/off manually, easy to read in the dark or in bright light.
- Overload Alarm Feature: Backlight and power digits will flash when exceeding the preset power value.
- One Button Control: The button is designed to control the backlight, reset energy data, or preset power alarm threshold.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07K3S4K9L |
| Best Sellers Rank | #498,732 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #442 in Voltage Testers |
| Brand | CrocSee |
| Brand Name | CrocSee |
| Color | Black |
| Customer Reviews | 4.5 out of 5 stars 928 Reviews |
| Item Weight | 0.16 Kilograms |
| Manufacturer | CrocSee |
| Measurement Type | Multimeter |
| Min. Operating Voltage | 80 Volts |
| Minimum Operating Voltage | 80 Volts |
| Model | CRS-022B |
| Part Number | 3B039 |
| Power Source | Corded Electric |
| Specification Met | CE, RoHS, UL |
| Style | Multi Testers |
| Style Name | Multi Testers |
| UPC | 689749968392 |
| Unit Count | 1 Count |
| Upper Temperature Rating | 140 Degrees Fahrenheit |

## Product Details

- **Brand:** CrocSee
- **Color:** Black
- **Item Weight:** 0.16 Kilograms
- **Power Source:** Corded Electric
- **Style:** Multi Testers

## Images

![AC 80-260V 100A CRS-022B LCD Display Digital Current Voltage Power Energy Frequency Power Factor Multimeter Ammeter Voltmeter with 100A Split Core Current Transformer - Image 1](https://m.media-amazon.com/images/I/71DNs-GUTjL.jpg)
![AC 80-260V 100A CRS-022B LCD Display Digital Current Voltage Power Energy Frequency Power Factor Multimeter Ammeter Voltmeter with 100A Split Core Current Transformer - Image 2](https://m.media-amazon.com/images/I/51Y8NRLz83L.jpg)
![AC 80-260V 100A CRS-022B LCD Display Digital Current Voltage Power Energy Frequency Power Factor Multimeter Ammeter Voltmeter with 100A Split Core Current Transformer - Image 3](https://m.media-amazon.com/images/I/71QmW2YfeeL.jpg)
![AC 80-260V 100A CRS-022B LCD Display Digital Current Voltage Power Energy Frequency Power Factor Multimeter Ammeter Voltmeter with 100A Split Core Current Transformer - Image 4](https://m.media-amazon.com/images/I/41htevaWZpL.jpg)
![AC 80-260V 100A CRS-022B LCD Display Digital Current Voltage Power Energy Frequency Power Factor Multimeter Ammeter Voltmeter with 100A Split Core Current Transformer - Image 5](https://m.media-amazon.com/images/I/51dM90kpF-L.jpg)

## Available Options

This product comes in different **Pattern** options.

## Questions & Answers

**Q: Does anybody make one of these that allows monitoring two circuits with two ct's, and just toggle the display?**
A: I bought two meters and hooked up the coils to my wires coming from my generator feed to my double pole breaker , then I bought two more coils on eBay and put them on my main feed .Soldered the coils from both feeds to a four double pole mini switches so when the switches were in the up position the meters read the house power (normal power) When the four switches are in the down position I would monitor the generator feed when using the generator during a power outage.Wasn’t sure if the switches were necessary or if I could just parallel the coils from the a Phase and the ones feeding the b phase but used the switches to separate the coils from each other just in case. Works perfect this way.Now I can monitor normal power or generator power with just two meters.

**Q: Does this record the amount of power used over a period of time?**
A: It records watt-hours, but not time. If you want to know how much power was used over, say 30 days, you must manually note when you first began monitoring the circuit. This can be as simple as taking a picture of the display with your phone, which will of course time/date stamp your picture.

One added benefit, it will retain watt-hours even if power is lost. It is not cleared until you manually clear it with the button to the right of the display.

**Q: Does the meter display values up to the test values or main specifications? (ie. rated up to 100 amps, but displays only up to 5 amps)**
A: (What are you connecting this too?)

You’ll get what ever the AMP value from the watts divided by voltage. 
Watts / voltage = amps 

Im running 3500 watts at 240v = 14.5 amps (this is shown on my display)

If you are only seeing 5 amps, then your wattage is only around 600w on 120v circuit. 

Hope this helps

**Q: Has anyone found a solution to read these meters remotely (via Bluetooth or WiFi?**
A: Set up a wifi camera, point it at the meter ;-).  Without significant skill in micro-electronics there isn't any other way.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Resetting the energy to zero; precision of the energy display; a great customer-service experience
*by E***R on March 6, 2025*

This is an excellent product that I continue to be very happy with. I wanted to mention a few things that might be useful to potential buyers. 1. Expanding on the instructions of how to reset the total energy to zero The instructions say to hold the button down for 5 seconds until the energy value flashes and then release the button and tap it once again. That's the correct procedure, but what might be confusing is that there's an intermediate event that's not mentioned. When you press and hold the button, after 3 seconds the main display disappears and the words SET CLr appear. Since the energy numbers didn't start blinking but instead the screen with the energy numbers just disappeared from view you might be tempted to release the button. But don't do that! Instead keep holding the button for another couple of seconds and the main screen will reappear with the energy numbers flashing. ONLY THEN can you release the button and tap it once more to zero the energy value. 2. Understanding the precision of the energy numbers Note: In what follows I'm using the term "precision" to indicate the precision of what can be displayed, not reproducibility of repeated measurements. Because the energy display has only one fixed position for the decimal point - to the right of the leftmost digit - there are some limitations on the precision that can be displayed in different energy ranges, particularly above 10 kWh. I've attached some photos to illustrate this. The device has an energy resolution of 1 watt-hour (Wh). It won't display, for example, 0.5 Wh. A photo shows a display of 002 Wh. Many people will want to look at energy use above 100 Wh, and at that point the device begins displaying three significant digits. A photo shows a display of 132 Wh and another at 896 Wh. The measurement uncertainty in this range is 1 Wh. For example in the 132-Wh photo we know the energy is at least 132 Wh but less than 133 Wh. At 100 Wh this would represent a 1% uncertainty and it would be a 0.1% uncertainty at 999 Wh, just before the display mode changes. Above 999 Wh the decimal point appears and the display units change to kilowatt-hours (kWh). There are still three significant digits because the energy is displayed with two decimal places. Photos show 1.23 and 9.52 kWh. Just as in the previous display mode, the uncertainty beyond the last digit represents 1% at 1.00 kWh and 0.1% at 9.99 kWh. But at 10 kWh the fixed-position decimal point comes into play and things change. Because there is no position for a decimal point between the second and third digits the display can't show 10.0 but instead has to show 010, which is shown in a photo. This means that we know the energy is at least 10 kWh and less than 11 kWh. This 1 kWh uncertainty represents 10% at 10 kWh - far higher than the precision associated with measurements up to now. Obviously this 1 kWh uncertainty will become less important at higher energy ranges, representing 1% at 100 kWh and 0.1% at 999 kWh, the maximum energy that can be displayed. But it may be to much for some users wanting precise energy measurements closer to 10 kWh. To summarize, in the energy range from 100 watt-hours to 10 kilowatt-hours the device can display energy with a precision no worse than 1% and as good as 0.1%, which may be perfectly adequate for most users. Users who want to make careful measurements in the 10-30-kWh range - which may include PHEV owners and those partially recharging EV's - need to be sure that they understand what the display is capable of in this range. 3. Exceptional customer-service experience I bought two of these units in April, 2022. After making the measurements I needed I put them aside. In January 2025 I need to make some further measurements but had problems reliably resetting the energy to zero (which later turned out to be my own misunderstanding. See item 1.) I contacted CrocSee's customer service, hoping that they could tell me what I was doing wrong. Instead they offered to replace the units even though they had been out of their one-year warranty for almost two years! I very much appreciated this exceptional customer service, and I'm very happy with the product, which is meeting all my requirements.

### ⭐⭐⭐⭐⭐ Nice little monitors! All the key circuit data you need, in one place.
*by R***G on October 17, 2020*

PROS: Good size/form factor. Great value if you D.I.Y. & can set up your own enclosure/project box/installation. Clear, legible screens, switchable (on/off) back light, all critical data to monitor circuits in one place, ideal for load management for emergency home backup generators, or similar applications, claimed internal overload protect circuit, monitor uses very low AC load, quality construction & look/feel. Data seems accurate when compared alongside digital multi meter. Back lighting & clarity of alpha-numeric characters is very clear & consistent: my photos do not do justice to the appearance of the screens to the naked eye. (They're nice). Very pleased, so far. Quality/longevity TBD. CONS: No UL listing, not for installations requiring NEC/home insurance approval (Such a capable monitor [with UL or other approvals] is not available anywhere @ this price point, however). No ground/earth circuit. Current Transformer wires could be a bit longer: as close as the CT’s were to my monitors, I still needed to extend all (4) of the CT leads with separately purchased wire. Accuracy is impacted if you exceed MFG max recommended wire length. Check w/ MFG, or search reviews - info is there. In typical USA residential applications (Single-phase, 2 x 120VAC ~ 240VAC), it is necessary to use (2) monitors to analyze the (2) 120v. lines coming into a typical service panel or load center panel. This requires you to do some basic math to combine the values from each monitor to assess Total system loads, etc. Not a big deal, but there seems to be a missed market in the USA for a single screen monitor with the capability to monitor (2) typical residential 120v. supply lines or "legs" on a residential utility service. Like I said, Very Happy - these are minor nit-picks/suggestions. Buy it - you'll be happy for the price!

### ⭐⭐⭐⭐ Cost effective purchase for the electrical readouts.
*by B***D on December 21, 2019*

The sensor was straight forward to install. I really liked the led back light with a button to turn on and off. Also liked the current core sensor can split and slide over to clamp on instead of having to remove the wire. Unfortunately, I wish the leads coming out of the sensor were longer. It’s a little strange to need 24V AC, but I hooked it up to the 24V transformer required to run the doorbell. Might need to purchase a 24V AC transformer for other specific applications. They pull so little current, I hooked them up to the same source. I bought two of these (one for each phase on my house) to see the independent loads. This will help once we have to use the generator to try to keep the loads balanced to obtain maximum life of the generator. All read outs and measurements seem accurate and the accumulation function works. I trust the other review comparing to a fluke device and that heavily impacted my purchase. Very happy.

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*Product available on Desertcart Malaysia*
*Store origin: MY*
*Last updated: 2026-06-09*