Prokit's Industries MT-1505 - Manual (Page 7)

6
Battery Replacement
If the meter starts up with persistent resetting display or with
low battery icon turns on, replace the battery. The meter uses
one 3 V coin battery IEC-CR2032.

To replace the battery, turn off the meter.
 Disconnect the test leads from live circuits.
 Loosen the screw on the case bottom.
 Lift the end of the case bottom nearest the input test leads
until it unsnaps from the case top.
 Replace the battery cover and tighten the screw. Recycle
the battery using approved methods.
 Replace the battery. Observe battery polarities with
positive (+) faces up (towards the case bottom). Replace
the case bottom, and ensure that the snap on the case top
(near the LCD side) is engaged.
 Replace and tighten the screw.
To avoid electrical shock, disconnect test leads from live
circuits before opening the case. Do not operate with open
case.
Specifications
(1) General Specifications
 Display and Update Rate: 3-3/4 digits 3999 counts;
Updates 3 per second nominal
 Operating Temperature: 0 °C - 40 °C
 Operating Relative Humidity: Maximum 80% R.H.
up to 31 °C, decreasing linearly to 50% R.H. at 40 °C
 Altitude: Operation below 2000 m
 Storage Temperature: -20 °C ~ 60 °C, < 80% R.H.
(with battery removed)
 Temperature Coefficient: Nominal 0.15 x (specified
accuracy)/ °C @ (0 °C ~ 18 °C or 28 °C ~ 40 °C), or
otherwise specified