97029 Rev C.1 09/18
Page 11 of 15
5.2.5 BAT (low power) LED
The red
BAT
LED indicates remaining battery life is short and the batteries should be replaced
soon. (See section 4 for battery installation instructions). If the battery voltage becomes too low, the
unit will shut off and will not operate. The internal power supply is well regulated and 1g
acceleration will be maintained even though the battery voltage fluctuates.
Battery life is dependent on the type of batteries used, weight of the load and if the shaker is being
operated in the Peak or RMS mode. Table 3 shows approximate battery life expectancy under
various payloads and is based on operating the shaker in RMS mode. Operation in Peak mode will
result in longer run times.
Table 3: Battery life expectancy in continuous mode
5.2.6 OOR LED
The control time is the required for the unit to achieve the controlled vibration level. The red
OOR
LED will be illuminated during the control time cycle. Once the LED goes out, the unit is ready for
operation. This is normally less than 3 seconds.
5.2.7 Orientation during operation
The ReferenceMate maybe may be held in any position during operation without worry of causing
an error in the reading. If the control circuitry is unable to maintain 1g test level, the red
OOR
LED
will illuminate. Low battery power or a total load exceeding 250 grams can also cause this condition.
When considering the total payload on the shaker, attention must also be given to weights of the
sensor, mounting method (stud or adaptor) and the cable and connector.
Alkaline
Energizer EN91
1500-1800 mAh
NiMH rechargeable
Energizer
NH15-2300
2300 mAh
Lithium
Energizer L91
3000 mAh
Payload
(grams)
Hours
90 sec
cycles
Hours
90 sec
cycles
Hours
90 sec
cycles
61.4 Hz
16
12
480
13
501
18
720
90
20
800
49
767
36
1440
254
32
1280
29
1160
42
1680
100.0 Hz
16
32
1280
29
1175
45
1800
90
31
1250
24
968
45
1800
254
8
320
10
400
15
600
159.2 Hz
16
32
1280
29
1143
43
1720
90
24
960
21
836
40
1600
254
6
240
8
305
12
480
