Texas Instruments has the answer...
...to your precise pressure calibration.
...to your stripchart recorder requirements.
TI's Tape Controlled Calibration System offers these advantages: • Data accepted from standard one-inch tape • Tape may be prepared on any standard punch employing ASCII Code • Tape reader equipped with four addressable registers Operation of automated pressure systems is simple and quick when using the TI Model 177 Tape Program Unit with the TI Model 178 Digital Controller Interface, and the TI Model 156 Pressure Test Set. The Model 177 accepts and programs pressure value instructions precisely; the Model 178 translates the instructions into action for the Test Set and the desired pressure is generated. Such a closed loop system is accurate, speedy, convenient, cost-effective and eliminates operator error, thus assuring optimum performance. For more details on the Model 177 and TI's family of precision pressure instruments and systems, write Texas Instruments Incorporated, P. O. Box 1444, Houston, Texas 77001 or call (713) 777-1301, Ext. 414.
servo/riter* II —New single- or dual-channel Lab/ Test models and other models in portable and flush-mount styles with narrow, wide and dual grid configurations. One to six channels, overlapping or side-by-side pens, many input ranges and chart speeds are standard. Accuracies of better than 0.25% full scale; infinite resolution; and linearity and dead-band specifications of less than 0.1% full scale. multi/riter* —Single- and dual-range multipoint recorders with up to 24 inputs. Point programming options, dual-range inputs and multi-speed drives enhance versatility. contour/riter* II —Single- and dual-grid X-Y recorders with one to five pens on the X-axis. Options provide selection of drive speeds for continuous chart recording. recti/riter®— One- or two-pen direct writing galvanometric recorders with true rectilinear motion. Non-standard instruments to meet special requirements are available on special order. For more information, write Texas Instruments Incorporated, P. O. Box 1444, Houston, Texas 77001, or call (713) 777-1301, Ext. 431.
*Trademarks of Texas Instruments Incorporated
TEXAS I N S T R U M E N T S INCORPORATED CIRCLE 210 ON READER SERVICE CARD ANALYTICAL CHEMISTRY, VOL. 47, NO. 12, OCTOBER 1975 ·
1097A
