Replaced my instant shower heater from Alpha Smart 18EP to Joven SL30iP

Recently, the "Line Fault" indicator of my 6 years old Alpha Smart 18EP instant shower water heater in one of my bathrooms had changed from its usual green light to red light. This is the same shower heater that was repaired in 2017 before.

I have replaced it with a new Joven SL30iP shower heater with DC inverter pump.

I bought the model without rain shower head for a cheaper price at around RM440, and managed to use back the rain shower head of the replaced Alpha Smart 18EP.

I have chosen Joven SL30iP this time, because:

• It has a very high performance/cost ratio, even higher than Alpha Smart 18EP.
• While the Alpha Smart 18EP has an AC pump, this Joven SL30iP has a DC inverter pump, which is much silent and saves electricity. More importantly, DC pump is less prone to electric shocks than AC pump.
• It has a built-in double poles Electronic Earth Leakage Sensor (EELS) with a very good 10mA sensitivity.
• It supports a lower minimum water pressure at 10kPa / 1.45 psi / 0.1 bar.
• It supports a lower minimum water flow at 2 litres per minute.

The only thing I don't like about this Joven SL30iP instant shower water heater is that its pump on/off switch, EELS test switch and EELS reset switch are located at its side instead of its front, making it harder to locate the right switch you want to press on.

Note that the water inlet and outlet of this Joven SL30iP are on the opposite side compared with the Alpha Smart 18EP. If you connect its water inlet and/or outlet on the wrong side, the water heater will not operate.

Same with Alpha Smart 18EP, the casing of this Joven SL30iP is IP25 splash proof.

If you are surveying on your new instant shower water heater, perhaps you can consider this one.

How to keep MS Outlook meeting invitations inside Inbox after responding to them?

This is a frequently asked question (FAQ) that many people using Microsoft Outlook as their email client found their meeting invitations automatically deleted and moved from Inbox to Deleted Items folder once they've clicked on the button to accept or decline the meeting invitation.

The accepted meetings will appear inside your Calendar.

I believe many people prefer to keep the original meeting invitation emails inside their Inbox instead of deleting them, because the invitation email might contain important information about the meeting, such as the meeting agenda, attached documents, etc.

In fact, deleting responded meeting invitations from Inbox is not a bug, but rather a strange default behaviour of MS Outlook.

To change that default setting to retain your meeting invitation emails inside Inbox, go to File > Options, the Outlook Options dialog box as below will popup.

Select Mail on the left menu, scroll down to the Send messages section, and uncheck the option of "Delete meeting requests and notifications from Inbox after responding".

Click the OK button and you are done.

K8 body temperature infra-red thermometer powered by USB

Nowadays, infra-red thermometers are widely used in a lot of places to capture our body temperature, especially for COVID-19 preventive measure at the entrance of most commercial premises.

Infra-red thermometer has the following advantages:

• Non-contact way of measuring body temperature
• Fast measurement time of around 1 second
• Pretty accurate if there is no other infra-red source around that might interfere with its signal receiver
• Affordable price

For home and personal use, if we want to buy an infra-red thermometer, we might want to look for the following features:

• Small and lightweight, easy to carry along, and save storage space
• Accurate reading
• Non-battery powered, since we are not going to use it frequently
• Cheap price

I found the K8 body temperature infra-red thermometer that operates with DC 5V and powered by USB, cost slightly above RM10, is an ideal one to be used.

This small little device actually has 3 variants of power source connector: USB-C, micro-USB and lightning connector. If you want a future proof one, choose the one with USB-C connector.

It can be powered by the USB port of handphone...

or powered by the USB port of other devices, such as a laptop.

There is a button at its back to switch its reading between Celsius and Fahrenheit.

It will beep when it captured a new temperature reading in the rage between 32 °C to 42 °C. You will most probably get the same temperature when placing your forehead or palm in front of it.