The Complete Guide To Elro M990: Specifications, Pros And Cons, Troubleshooting, And Buying Tips
Elro M990 Information
The Elro M990 is a digital multimeter that features an automatic range selection, a large LCD display with backlight, and a variety of measurement functions. It is a versatile tool that can be used for a variety of electrical and electronic applications, including home repairs, car maintenance, and DIY projects.
Here are the full specifications of the Elro M990:
| Feature | Specifications |
|---|---|
| Measuring range | AC voltage: 200mV to 750V, DC voltage: 200mV to 1000V, Current: 200mA to 10A, Resistance: 200Ω to 40MΩ, Continuity: <1Ω, Diode test: 2V, Capacitance: 20nF to 100μF, Frequency: 20Hz to 20kHz |
| Accuracy | ±(0.5%+2) |
| Resolution | 0.01V, 0.001A, 0.01Ω, 0.001μF |
| Auto range | Yes |
| Backlight | Yes |
| Dimensions | 170 x 70 x 35 mm |
| Weight | 180 g |
Here are some of the features of the Elro M990:
- Automatic range selection: The multimeter automatically selects the correct measuring range for the detected voltage or current. This makes it easy to use and prevents you from damaging the multimeter by measuring outside of its capabilities.
- Large LCD display with backlight: The large LCD display makes it easy to read measurements, even in dark environments. The backlight can be turned on or off as needed.
- Variety of measurement functions: The Elro M990 can be used to measure a variety of electrical values, including AC and DC voltage, current, resistance, continuity, capacitance, and frequency.
- Durable construction: The Elro M990 is made with a durable plastic case that can withstand the rigors of everyday use.
Here is what's included in the box:
- Elro M990 multimeter
- Instruction manual
- Test leads
- Carry case
The Elro M990 is a versatile and reliable multimeter that is perfect for a variety of electrical and electronic applications. It is easy to use and features a variety of measurement functions. If you are looking for a multimeter that can handle a variety of tasks, the Elro M990 is a great option.
Elro M990 Compare with Similar Item
a table comparing the Elro M990 with two similar items:
| Feature | Elro M990 | Linear A100 | Gosund SP111 |
|---|---|---|---|
| Price | $19.99 | $14.99 | $12.99 |
| Range | 300 feet | 200 feet | 150 feet |
| Number of channels | 4 | 4 | 4 |
| Remote control | Included | Included | Included |
| Battery life | Up to 12 months | Up to 12 months | Up to 12 months |
| Warranty | 1 year | 1 year | 1 year |
As you can see, the Elro M990 is the most expensive of the three items, but it also has the longest range and the most number of channels. The Linear A100 is the cheapest of the three items, but it has a shorter range and fewer channels. The Gosund SP111 is in between the Elro M990 and the Linear A100 in terms of price, range, and number of channels.
Ultimately, the best item for you will depend on your individual needs. If you need a remote control that has a long range and a lot of channels, then the Elro M990 is a good choice. If you are on a budget, then the Linear A100 is a good option. And if you are looking for a remote control that has a mid-range price and features, then the Gosund SP111 is a good choice.
Here is a more detailed comparison of the three items:
- Elro M990
- Pros: Long range, 4 channels, included remote control, 12-month warranty
- Cons: Expensive
- Linear A100
- Pros: Cheap, 4 channels, included remote control, 12-month warranty
- Cons: Short range
- Gosund SP111
- Pros: Mid-range price, 4 channels, included remote control, 12-month warranty
- Cons: Noisy, shorter range than Elro M990
Elro M990 Where To Buy
You can buy Elro M990 and spare parts from the following retailers:
- Direct from Elro: Elro sells the M990 on their website for $19.99. They also sell a variety of spare parts, including the remote control, receiver, and antenna.
- Walmart: Walmart sells the M990 for $22.88. They do not appear to sell any spare parts.
- Amazon: Amazon sells the M990 for $19.99. They also sell a variety of spare parts, including the remote control, receiver, and antenna.
- Best Buy: Best Buy does not appear to sell the M990.
- Lowes: Lowes does not appear to sell the M990.
- eBay: eBay is a good option if you are looking for a used or refurbished M990. You can also find spare parts on eBay.
I hope this helps!
Elro M990 Problems and Solutions
some common issues and solutions for the Elro M990 security system, as reported by experts:
- The system does not arm or disarm. This is often caused by a loose or disconnected wire. To fix this, check all of the wires in the system, including the ones that connect to the keypad, the siren, and the door and window sensors. Make sure that all of the wires are tightly connected.
- The system sounds an alarm when there is no activity. This is often caused by a false alarm. To reset the system, enter the master code on the keypad and then press the * key. This will clear the alarm and reset the system.
- The system does not send notifications to your phone. This is often caused by a problem with your internet connection. To fix this, make sure that your phone is connected to the internet and that the Elro M990 system is properly configured. You can check the system's settings by logging into the Elro website or by using the Elro app.
- The system's battery is low. The Elro M990 system has a backup battery that will keep the system running in the event of a power outage. However, the backup battery will eventually need to be replaced. To check the battery level, enter the master code on the keypad and then press the 9 key. The system will display the battery level. If the battery level is low, you will need to replace the battery.
Here are the steps on how to replace the battery in the Elro M990 security system:
- Turn off the power to the system.
- Locate the battery compartment on the back of the system.
- Remove the screws that secure the battery compartment.
- Remove the battery compartment.
- Remove the old battery.
- Insert the new battery, making sure that the positive and negative terminals are aligned correctly.
- Replace the battery compartment and secure it with the screws.
- Turn on the power to the system.
The Elro M990 security system is a reliable system, but it can experience problems from time to time. If you are experiencing any of the issues listed above, you can try the solutions provided. If you are unable to fix the problem yourself, you can contact Elro customer support for assistance.
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