Question 1

Is there a way to manually set the graph scales on my android phone?  i am reading dc amps of around 1 amp and it displays is on a 400 amp scale.

Accepted Answer

On my BT-570C-APP the DC current scales are 200A or 1000A.  The AC current scales are 400A and 1000A.  The stated accuracy of both the 200A DC and the 400A AC scales is 3% of reading plus or minus 10 digits.  Both scales have a least significant digit of 0.1A, so the accuracy cannot exceed 0.1A x 10 = 1.0 amps.  There is no way to improve the accuracy of such a low reading on a large scale.  However, by wrapping multiple turns of wire around the jaw of the meter, you can increase the reading magnitude and improve the accuracy/resolution.  Ten turns of wire will yield 10 amps instead of 1 amp flowing in the wire..  Simply divide the displayed meter reading by the number of turns of wire around the jaw.  Thus you can effectively increase the accuracy and resolution of low readings.

Question 2

Will this device measure 0.5-10 amps ac or dc? (as in hvac applications).

Accepted Answer

Yes, it can be tested. But there will be a little error.
Its optimal measurement range is 200A and 1000A.
It is more accurate in these two ranges.

Question 3

How do you change temperature display to show degrees Fahrenheit instead of Celsius?

Accepted Answer

Sorry, the clamp meter is only Celsius and can't be switched to Fahrenheit temporarily. Celsius ranges from -20 to 1000 degrees. We have developed an upgraded version of this clamp meter, which will have degrees Celsius and Fahrenheit, so stay tuned, thank you.

Question 4

Como octener la app

Accepted Answer

You can find the QR code of the app on the main picture and electronic manual of the listing. 
And then, you can use the mobile phone to scan the application.I wish you a happy stay.

ASIN	B07C4LX8LP
Best Sellers Rank	#248,124 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #361 in Multi Testers
Brand Name	BTMETER
Color	6000 Counts Inrush Meter 570N
Customer Reviews	4.2 4.2 out of 5 stars (101)
Included Components	user manual
Item Weight	200 g
Manufacturer	BTMETER
Measurement Type	Ammeter, Multimeter
Minimum Operating Voltage	0.6 volts_of_direct_current
Model	BT-570N-new
Number of Items	1
Part Number	BT-570N-new
Power Source	Battery Powered,electric
Specification Met	Iec61010-1, Iec61010-032
Style Name	BT-570N
UPC	703546921807
Unit Count	1 Count
Upper Temperature Rating	1000 °C

Inrush Current Clamp Multimeter, BTMETER BT-570N TRMS 5999 Display Clamp-on Amp Meter for AC/DC Voltage Amperage Ohm Temperature Test

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