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Input Scaling Module
A plug-in miniature input scaler and terminal block for use in place of the XR440 Data Logger's detachable terminal block. Enables the XR440 Data Logger to accept a wide range of "high level" input signals. For millivolt signals, Thermocouple / Millivolt Modules are available.
An Input Scaling Module is not required for Pace Sensors, 0-5vdc signals, 2-wire resistance signals and potentiometers.
| Available input ranges - specify a total of 4 ranges from the list below (mix or match), one for each channel. | |
| INPUT RANGE | DASH NUMBER |
| -5.0 to +5.0 V | -5b |
| 0 to 10.0 V | -10v |
| 0 to 20.0 V | -20v |
| 0 to 30.0 V | -30v |
| 0 to 60.0 V | -60v |
| 4-20 ma (also 0-20 ma) | -20m |
| 'Standard' input (for all PACE sensors and 0-5vdc) | -S |
Three additional bi-polar voltage ranges (-7.5 to +12.5 V, -12.5 to +17.5 V and -27.5 to +32.5 V) are available on special order. Contact Pace for details.
Module scaling is fixed at the factory and must be specified when ordering. Channels specified as '-S' are 'Standard' channels and will accept all PACE sensors, probes and 0-5 V signals. The attached module adds 0.36" to the XR440 Data Logger's overall length. Overall width and height are unchanged.
Ordering Tip: You must specify Channel 1 as -S (standard input) in order to use the External Start/Stop Trigger feature that is available on the XR440 Data Logger.
Note: Detaching the Input Scaling Module restores the XR440 to its 'Standard' input configuration.
4-20ma: Any XR440 Data Logger standard input can be converted to a 4-20 ma input by connecting a 249 ohm resistor to the XR440's terminal block. (A connection diagram is provided in the Pocket Logger Software online manual). When you specify an Input Scaling Module with one or more 20ma channels, a precision (0.1% tolerance) 249 ohm resistor is built into the Scaling Module for each 20ma channel specified.
Input Impedance: All voltage ranges: 100k ohms.
Size: 1.6" wide x 0.75" deep x 0.55" high (41mm wide x 19mm deep x 14mm high)
Part No: ISM-x-x-x-x*
* Substitute DASH NUMBER from the table above for each channel (1-2-3-4). For example, ISM-5b-5b-S-S specifies an Input Scaling Module with +/-5vdc inputs for channels 1 and 2 and 'Standard' inputs for channels 3 and 4.
XR440 Data Logger, Description and Pricing
Catalog and Price
List PDF: 2 MB / 15 pages 
Tel: (704) 799-0688 / Fax: (704) 799-0177 / e-mail: sales@pace-sci.com
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