ACCUMULATED and PEAK DATA
Function Screen/Mode
Cables/Wiring
3.1
Capacity mAh Input
READINGS>BATTERY or READINGS>ANALYSER
Accumulates even when on other screens
RDU + RDU cable
From 0 – 65000 mA-h. Records charged capacity automatically, whenever current is flowing through the RDU. Press ‘C’ to clear
mA-h In when on BATTERY screen. NOTE: Capacity will continue to log in the RDU even if the Emeter II is switched off.
3.2
Capacity mAh Output
READINGS>BATTERY or READINGS>ANALYSER
Accumulates even when on other screens
RDU + RDU cable
From 0~65000 mA-h. Records discharged capacity automatically, whenever current is flowing through the RDU. Press ‘C’ to clear
mA-h ‘Out’ when on BATTERY screen. Note: Capacity will continue to log in the RDU even if the Emeter II is switched off.
3.3
Max Volts
READINGS>PEAKS
RDU + RDU cable
Peak values recorded for whole session or from when ‘B’ (Clr) pressed. These values are lost when switching the Emeter II off
unless saved to SNAPSHOT 1 – 8
3.4
Min Volts
READINGS>PEAKS
RDU + RDU cable
As above. Useful to assist in protecting batteries from over-discharge.
3.5
Max Amps
READINGS>PEAKS
RDU + RDU cable
As above. Useful to assist in protecting batteries and ESC from over-current conditions.
3.6
Max RPM
READINGS>PEAKS
RDU + RDU cable
Peak values recorded for whole session or until ‘B’ (Clr) pressed.
3.7
Pack resistance Ohms
READINGS>PEAKS
RDU + RDU cable
Start discharge, press ‘B’ (Clr), stop discharge or Press ‘B’ (Clr), start and stop discharge. Resistance will be shown in ohms
SNAPSHOTS
for short term saving of readings
4.1
Hold Display
On TACHO, PEAKS, ANALYSER, BATTERY screens
RDU + RDU cable
Press ‘D’ to hold – 2
nd
press continues, as if no hold took place
4.2
Save snapshot
As for Hold
RDU + RDU cable
Press ‘C’ to save in one of 8 SNAPSHOT locations for later recall, select SNAPSHOT 1 to 8 by pressing ‘D’, if required.
Press ‘C’ again to resume original activity. Data stored in first empty SNAPSHOT location by default. Snapshots are retained when
the Emeter II is turned off, but for long term data retention, see data logging facility
4.3
Snapshot Recall-Clear READINGS>SNAPSHOTS
None
Shows up to 8 snapshots taken from ANALYSER, BATTERY, SNAPSHOTS or TACHO screens These are stored internally, not on the
SD card. Press ‘D’ to scroll through snapshot 1 to 8. Display is in format of screen from which the save was originally made.
For ANALYSER or TACHO data press ‘B’ to view or specify Prop. constants. If these exist, then the calculated efficiency and/or
propeller thrust in grams will show. Clear snapshot by pressing ‘C’
PROP CONSTANTS
for calculation of motor efficiency and thrust
Function Screen/Mode
Cables/Wiring
5.1
Prop Constant Background
Prop constants can be used to calculate motor/ESC power/efficiency and also thrust for given RPM. See PROP TALK tutorial in
Hyperion Website at www.hyperion.hk/dn/em2 . Emeter II can look up prop constants from a PROPS.TXT file held on the SD Card
or will accept constants entered manually onto the CONSTANTS screen. The latter are given the name ‘Other’. For either case, the
last-used propeller details are retained for subsequent power, efficiency and thrust calculations
5.2
Prop Constant Viewing
READINGS>PROP CONST or
READINGS>ANALYSER> button ‘B’ (Prop) or
READINGS>TACHO> button ‘B’ (Prop)
SD Card
If SD Card contains PROPS.TXT file, browse props via buttons ‘B’ (Dec) and ‘C’ (Inc). To select required file press ‘A’ (Save)
5.3
Prop Constant Entry
READINGS>PROP CONST or
READINGS>ANALYSER> button ‘B’ (Prop) or
READINGS>TACHO> button ‘B’ (Prop)
Press ‘D’ (next) to move to Power Constant field, use ‘D’ to move to figure to be entered and ‘B’ or ‘C’ to change to required value.
Use ‘D’ to move to next figure and repeat process in the same way. Once numbers are correct, press ‘A’ to save for all future
calculations until changed and saved again. Prop name will change to ‘Other’
5.4
Prop Constant Entry Notes
Motor output power, efficiency and thrust figures are not calculated for In-Action mode since propeller constants do not apply to
moving models. Only Bench-test mode can record power, efficiency and thrust. See manual for details.
