ZEUS MINING
CRYPTO MINING PRO
FNIRSI-S1 digital multimeter
FNIRSI-S1 digital multimeterFNIRSI-S1 digital multimeter
Ratings:
( 891 Reviews )

FNIRSI-S1 digital multimeter


Unit Price: $ 25
MOQ: 1  Unit Weight: 0.5 KG  Availability: In Stock
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Subtotal: $ 25
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Tech support and pre-sale:


Product description

FNIRSI-S1 is a handheld large-screen digital display intelligent multimeter. It can quickly measure the data of electronic components on ASIC miner hash boards, power supplies, etc. It has large-screen LCD dual display screens, lighting, easy reading, and other product advantages. It has functions such as overload protection and battery under-voltage indication. It is an ideal multi-functional tester whether it is a professional miner maintenance personnel, maintenance enthusiast, or beginner.

Product Features:

1. Intelligent anti-burning function, no burnout, full-speed overload protection, no need to worry about burnout caused by wrong operation;

2. After the measurement is stable, the data will be displayed permanently, and you don’t have to worry about the data returning to zero even if you let go of your hands;

3. NVC sensing voltage, sound and light alarm, more accurate sensing, say goodbye to the risk of electric shock;

4. High-performance chip, fast identification, accurate measurement;

5. Built-in flashlight function, convenient for working in dark and dark environments;

6. Type-C charging, long-lasting battery life, built-in 1000mah lithium battery, can work continuously for 5 hours, environmentally friendly, convenient, and worry-free;

7. Small and easy to carry, ultra-thin body does not take up space and can be used with you.

fnirsi s1 smart digital multimeter

Click on the article to learn more about how to use the multimeter: How to use the FNIRSI-S1 digital multimeter during the ASIC miner repair?

Product parameters:

Function

Range

Resolution

Accuracy

DC voltage

0-10V

0.001V

± (0.8%+3)

10-100V

0.01V

100-1000V

0.1V

1000V

1V

± (1.2%+3)

AC voltage

0-10V

0.001V

± (0.8%+3)

10-100V

0.01V

100-1000V

0.1V

1000V

1V

± (1.2%+3)

Resistance

0-1000Ω

0.1Ω

± (0.8%+3)

1k-100kΩ

0.01KΩ

100k-1000kΩ

0.1KΩ

1M-100MΩ

0.01MΩ

± (1.2%+3)

Capacitance

0-10nF

0.001nF

± (4.5%+5)

10-100nF

0.001nF

100-1000nF

0.1nF

1μF-10μF

0.001μF

10μF-100μF

0.01μF

100μF-1000μF

0.1μF

lmF-10mF

0.001mF

Frequency

0-10Hz

0-10HZ

± (0.1%+3)

10-100Hz

0.01Hz

100-1000HZ

0.1Hz

1K-10KHz

0.001KHz

10K-100KHz

0.01KHz

100K-1000KHz

0.1KHz

1000KHz-10MHz

1KHz

Temperature

-20℃-0℃

1℃

± (5%+4)

1℃-400℃

1℃

± (1%+3)

401℃-1000℃

1℃

± (2%+5)

-4℉-32℉

1℉

± (5%+8)

33.8℉-752℉

1℉

± (1%+6)

33.8℉-752℉

1℉

± (2%+10)

Diode

Automatic off

Lighting

On-off buzzer

Auto range

NCV induced voltage

Live mode

Data hold

Analog

Low voltage indication

Max range

9999 count

Valid value

50HZ-1KHZ

Material

ABS

Display

VA color screen

Net weight

135g

Power supply

1000mA rechargeable lithium battery

Size

143mm*75mm*19mm

Security level

CAT Ⅲ 1000V


Product display

Fnirsi S1 multimeter smart with large display

FNIRSI S1 smart multimeter

Instrument description:

Fnirsi-S1 multimeter AC DC diode tester

① NCV and LIVE button

② SEL button

③ Black test pen input

④ Red test pen input

⑤ Data hold and flashlight button

⑥ LCD monitor

digital multimeter FNIRSI S1 smart electrical tester

⑦ Charging indicator

⑧ Charging port (5V-1A)

⑨ On / off button

⑩ NCV sensing area

⑪ Flashlight

Effect display

Product composition

FNIRSI S1 handheld digital multimeter

①Packaging box

②Instruction manual

③FNIRSI-S1 multimeter

④Special tip test lead

⑤Type-C data cable

Notice
Recently, our customers reported that someone impersonated our customer service staff. Please enter the contact information page of our website. Contact information not listed on the website is unofficial. If you find someone impersonating us, please take a screenshot and send an email to [email protected], and terminate the transaction immediately to avoid loss.
O
om***82 2026-05-09

Good bro, he solve a firmware problem whit a s21+hyd A lots thanks

T
ti***cc 2026-05-08

J
ju***ia 2026-05-06

Impresive service ! 100 recommended!

T
tz***is 2026-04-27

Thank you Jay for the support!

V
Ve***xx 2026-04-24

Very good

N
ng***93 2026-04-24

I talked with Jay regarding an issue I had with my set up and he was quick to respond and eager to help me get through with my issue thank you Jay

A
Ac***ss 2026-04-22

Very fast and professional

F
fr***41 2026-04-16

Jay, a technical engineer at Zeus Mining, He resolved my request quickly.

V
vi***ts 2026-04-14

Mr. Jay, technical engineer, he has been a great help. Provided me all the necessary tools and software for troubleshooting and guided accordingly. Thank you for fast resolutions.

A
an***62 2026-04-11

Our Customers and Partners:

We treat our customers and partners as sincere friends and do our best to provide technical support and aftersales service.
Payment method:

How to determine product prices and shipping costs?

When you are ready to buy one or more products. You can consult the sales Manager to get a sample of the proforma invoice. The category, product price, and freight are included.

How to complete the payment?

We have the following payment methods. You can tell our sales Manager which payment you prefer and complete it. After the customer service checks and confirms the payment is completed. Provide the proforma invoice. And we will prepare to ship.

Cryptocurrency Payment

Bitcoin - The payment method at the designated address is efficient and practical and can be used anywhere in the world.
Wallet Address
USDT - The payment method at the designated address is efficient and practical and can be used anywhere in the world.
Wallet Address
ETH - The payment method at the designated address is efficient and practical and can be used anywhere in the world.
Wallet Address
LTC - The payment method at the designated address is efficient and practical and can be used anywhere in the world.
Wallet Address
USDC - The payment method at the designated address is efficient and practical and can be used anywhere in the world.
Wallet Address

Bank Transfer

Wire transfer - USD - YuanJi
Card Number
Wire transfer - USD, EUR, GBP, HKD, CNH, CAD, SGD, JPY, AUD, NZD
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JP MORGAN CHASE BANK, N.A.
Card Number
Wire transfer - USD - Zhou sicong
Card Number
人民币支付 - CNY payment
Card Number

Other payment methods

Cooperation express:

Q: When will we ship after payment?
A: In order to ensure that the products we ship are in good condition. Issued approximately 1-2 days after receiving your payment.

Q: What if the product is damaged during transportation?
A: We will use a more robust package when shipping to avoid damage to the goods, and we can purchase transportation insurance in advance to reduce the loss of in the transport. although this problem is not common.

Q: What payment methods do we support?
A: We support bank transfer, wire transfer, BTC, third-party guarantee and Paypal.

Q: What should I do if there is a problem after receiving the products?
A: We have established good relationships with maintenance departments in many countries/regions in the world. For example, Venezuela, Iran, etc. If you have any questions within 3 days after receiving the goods, you can apply for after-sales service on the "My Order" page.

Q: Which express we support?
A: We will choose the cheapest and fastest transportation method for you. And we support DHL, UPS, TNT, Fedex, BRE, and also have express delivery services, such as Russia, the United States, Kuwait, etc.

More FAQs

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David 2026/5/9 11:13:47
Q:I'm looking for a fan simulator for Antminer S21Pro+. can you tell me which one will work? Also looking for "Crypto miner silencer box" for Antminer S21Pro+ with US Plug.
A:S21Pro+ Fan Simulator:

https://www.zeusbtc.com/ASIC-Miner-Repair/Parts-Tools-Details.asp?ID=3486

Crypto miner silencer box

https://www.zeusbtc.com/ASIC-Miner-Repair/Parts-Tools-Details.asp?ID=3036

Hello. For more details, please contact our Sales Manager via WhatsApp: +86 19115061757.
Hyt 2026/5/4 6:49:08
Q:Hello.
I have a z11
Can help me to reduce noise?
A:Hello, we offer a variety of products designed to help reduce mining rig noise. If you require assistance, please contact our Sales Manager:
WhatsApp: +86 19115061757
JASON 2026/5/3 19:36:41
Q:Hi I am trying to find a capacitor that has a symbol on it that some of yours have. So I was wondering if it is one of yours. I can't tell the size of it. It just has GGE on it and the symbol. It is on a amp board zk-3002. Any help would be greatly appreciated. Thank you Jason Griggs
A:Hello, please contact our technical support team; they can assist you in identifying the capacitor model.
WhatsApp: +86 19123969124
Juan de Beer 2026/4/25 19:04:31
Q:I am looking for price of a Z15 hashboard.
Does it come with cooling fins?
Thanks
A:Hello. Z15 hashboards are currently in short supply; please contact our sales manager to check stock availability.
WhatsApp: +86 19115061757
Lucky 2026/4/15 12:51:14
Q:S19pro cost
A:Hello. The price of mining rigs fluctuates in tandem with cryptocurrency prices; please get in touch with our sales manager for real-time pricing.
WhatsApp: +86 19115061757
Martin 2026/4/14 2:47:49
Q:Hi, please advise. Can I upload a different firmware to the S21 XP controlboard than the one directly from Bitmain? Thanks for the info M
A:Hello, please get in touch with our technical team; they will help you resolve the issue.
WhatsApp: +86 19123969124
Harsh 2026/4/11 22:37:21
Q:I want full repair kit for antminer
A:Hello! If you would like to place an order, please contact our Sales Manager. Thank you for your message.
WhatsApp: +86 19115061757
De marco 2026/4/6 17:58:25
Q:Comment obtenir le logiciel ezp2023 enzyme pro et ch341 svp merci
A:Bonjour, veuillez contacter notre équipe d'assistance technique ; elle se fera un plaisir de vous aider.
WhatsApp : +86 19123969124
Richard Gallemore 2026/4/4 3:54:13
Q:Hello! I've decided to begin the journey of building a farm with just one S9 to start. I have a deep APC half rack that can be used for 19in rack mounted gear or just to contain a group of miners with fans in the top to exhaust heat. Can you put together a rig for me and give me a quote? Thank you!
A:Hello, please contact our technical support team; they will be happy to assist you.
WhatsApp: +86 19123969124
Eugene 2026/3/20 0:27:29
Q:Hi, help me pls, which version of BM1368 chip is suitable for NerdQaxe+ 2.6Th?
A:Hello, please contact our technical support team; they will be happy to assist you.
WhatsApp: +86 19123969124
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About miner repair and after-sale issues, please contact the repair manager email:
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Recently, many companies claiming to be mining companies imitate us and say that they are related to us, or that they are our branch companies, which has caused customers to be deceived. Please be careful not to believe any impostors, please check our correct contact information and beware of being deceived getting scammed, and losing money.
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