Roxspur Measurement and Control: For Good Measure RM&C LtdPlaton, Brearley, CT, Nulectrohms, SensitPhone 0870 22 00 724 or email sales@roxspur.com

The 4250M is available as a trace multipoint recorder with a 1Hz sample rate and up to 96 input channels. The instrument has a high level of functionality with PC card for configuration storage or logging of process data for transfer to computer database or spreadsheet packages. Extensive mathematics capabilities and totalisers, timers, counters and logic functions allow real time presentation of calculated data.

The 4250M’s annotation allows scales, messages and time tagged numerical values, to be printed to chart. As well as using the keypad or Secret-til-lit alphanumeric keyboard, the 4250M is fully configurable off site, using a PC with the configuration being transferred via PC card. The PC cards can store several configurations that can be selected and down-loaded to the recorder as required.

The 4250M can be viewed as a true data acquisition centre with electronic data storage and serial communications as well as local printing. This provides the user with high integrity real time paper recording coupled with the ability for further analysis/storage of the data on PC.

Specification
Supply VoltageOption 1: 90-130 VAC
Option 2: 190-260 VAC
Temperature Limit0 to 50°C
Humidity \ Limits5 to 80% non-condensing
Size360W x 288H x 503D
Input Typescontact closure, ohms; Thermocouple B,C,E,J,K,L,N,R,S,T,U, Ni/NiMo, Platinel II, 3-wire RTD:Pt 100, Pt 1000, Cu 10, Ni100, Ni120
Input to Paper Accuracy0.5%
Input to Display Accuracy0.3%
Chart Size250mm
Chart Speed1 to 1500mm
Pen Type (Multipoint)6 colour disposable ribbon cartridge
Pen Life5,000,000 dots per colour; Dot spacing 0.083mm; 3 months typical (annotator)
Pen Colours1: Red, 2: Orange, 3: Green, 4: Blue, 5: Violet, 6: Black
Pen Resolution0.2mm
Update Rate1Hz
Response Rate2 seconds max