Silent Partner Plus
RMS CURRENT / VOLTAGE DATALOGGER
3 True RMS Measurements 3 Energy Studies
3 12 Bit Resolution 3 Machinery and motor analysis
3 ± 0.25% Accuracy 3 HVAC studies
3 Measure voltage or current on any channel. 3 Electrical Utilities
3 Downloads with Silent Partner Windows® software 3 Peak shaving and Load Management
The Silent Partner Plus is an inexpensive current and/or voltage logger that is especially useful where
harmonics are suspected. RMS values can be stored at different rates by the user. Inputs accept any 1 VAC full
scale CT or PT.
Maximum Channels Three Selectable storage for 1, 2, or 3 channel operation.
Range 0 - 1 VAC input. Actual current range depends on CT used. True RMS for 50/60 Hz. operation.
External Connections Aux. power, download. and three 1 VAC inputs.
Sensor Type External CT’s or external voltage module.
Sampling Rate 2 to 4 seconds. Set via Silent Partner software.
Storage Rate 32 seconds to 15 minutes. Set via Silent Partner software.
Parameters Stored Avg, Min/Max, or Min/Max/Avg. Set via Silent Partner software.
Samples per Average 16 at 32 second storage. Set automatically, depending on storage rate.
256 at 15 minute storage.
Memory 32K or 64K, non-volatile RAM. Memory size must be specified when ordered.
Memory Treatment Stop when full, or wrap. Set via Silent Partner software.
Storage Capacity 43,632 readings for 1 channel, avg. only (32K). Storage available depends on memory size, number of
7,272 readings for 1 channel, min/max/avg (32K). channels and storage mode.
Indicators Flashing LED when logging.
Power Internal battery and/or adapter. Uses standard 9V alkaline.
Battery Life At least 7 days (can also operate from external adapter).
Communications RS232, support for remote setup.
Software Silent Partner for Windows. Requires PC running Windows 3.1 or greater and 1 free
Packaging Rugged, durable ABS.
Accuracy ± 0.25 % Range + CT or PT error
Safety Isolation of measurement circuit via CT’s and PT’s
Operating Temperature - 40ºC to 60 ºC
Specifications Subject to Change Without Notice
Silent Partner Software - Simple, Easy, Powerful
Silent Partner software allows you to download, save, retrieve and analyze the data collected with the Silent Partner
Plus. The software will run on any PC running Windows 3.1 or greater with 1 free serial port for data transfer.
• Runs under Windows® • Enable and disable individual traces to remove on-
• Full colour printer support. screen clutter.
• Built-in export to WK1 spreadsheet translation. • Graphs can be configured to display a single or dual
• Allows you to import a bitmap file so you can Y-axis.
include your company logo on printed reports. • Zoom feature allows you to view graphs in
• One Silent Partner software can download any maximum detail.
logger in the Silent Partner family.
• Scale your data using
• View your data in graphical form or view the actual multipliers to implement CT
numerical data in tabular form. or PT ratios. This enables
you use CT’s and PT’s with
different primary to
• The Survey
your data in
• The Notes box
allows you to
• View graphs in about the test
1 hour, 1 day, site, particulars
1 week or 1 of the hookup, contact names, etc.
increments • Software indication of low battery voltage in the
Silent Partner Plus logger.
• View up to 9
traces on a • All setup of sampling rate/storage interval, time and
single graph - channel configuration is done via software.
Min, Max, and
Average for all
Description Order Code Description Order Code
Silent Partner Plus with 32K memory SPP32 5A to 1VAC CT (RED, YELLOW, BLUE) M357, 8, 9
Silent Partner Plus with 64K memory SPP64 1000A to 1VAC CT (RED, BLUE ,YELLOW) M319, 20, 21
Silent Partner Software (c/w download cable) SPSOFT 3000A to 1VAC CT (RED, YELLOW, BLUE) M349, 50, 51
20 VAC Tingle-Voltage Input Module ACMOD1-20 Multi-range 20,50,100,200,500,1000 Amps M093
750 VAC Voltage Input Module ACMOD1-600 120 VAC to 9VDC adapter AC1
NORTHWOOD DATA LOGGERS Email firstname.lastname@example.org Distributed By:
1105 Crestlawn Drive Unit D14 www.rccgroup.com
Mississauga, Ontario Tel. (905) 625-4703
Canada L4W 1A7 Fax (905) 625-3778