Baths and Circulators with wide range control from Forma... The Bath People COMPARE PRICES. COMPARE SPECIFICATIONS. YOU'LL FIND FORMA THE BEST BUY DOLLAR FOR DOLLAR!
New Products
Liquid Sample Concentrator Model LSC-1 permits the detection and measurement of organohalide pol lutants in water in the parts per bil lion (μ^/Ι.) range by gas chromatogra phy, mass spectrometry, GC/MS, or other techniques. The LSC-1 over comes the difficulties encountered with such techniques as direct aque ous injection GC, liquid-liquid extrac tion, and head-gas analysis. Tekmar Co. 415 Data Acquisition System The eight-channel DAS400 data ac quisition system is accurate (0.03%), has high speed (30 kHz per channel), and provides all the necessary func tions for data acquisition. Key specifi cations include: eight single-ended an alog inputs; an input voltage of 0-10 V, —5 to +5 V selected by logic level at Polarity pin; 100-M minimum input impedance; and 12-bit resolution. $199. Hybrid Systems Corp. 410
Model 2095. Still the original. Still the best. Temperature range —20" C to + 70° C, ± 0.02° C. Liquid capacity of 7.5 gallons assures maximum stability both within the tank and in external vessels. Rated heat removal 1725 BTU/Hour at + 20" C. Model 2800. The Bath of Tomorrow, Today. Direct-dial temperature control, —20° C to + 70" C, ± 0 . 0 2 " C. Liquid capacity of 7.5 gallons. Cooling capacity of 1725 BTU7 Hour at + 2 0 ° C, guaranteed. Shown with optional digital thermometer.
Model 2160. The Little Giant. Temperature range - 3 0 ° C to + 100° C, ± 0.02° C. Liquid capacity of 9.7 gallons makes it ideal for use as a bath and circulator in larger laboratories. Rated heat removal 1985 BTU/Hour at + 20° C. Floor Models. Large liquid capacities of 17 and 50 gallons and high BTU removal up to 4250 BTU/Hour at 0° C. Unique dual stage stainless steel pumps permit close liquid level control in external vessels. Two temperature ranges from —30° C to + 70° C, ± 0.02° C.
Forma baths are constructed of durable stainless steel for long life. Solid-state controls and a modern modulating refrigeration system provide quiet, maintenance-free operation, day after day. No solenoid valves, no electrical contractors, no RFI energy transmission. And the highperformance stainless steel 8 GPM pumps are ideally suited to consistent operation. External flow valves promote rugged use in external circulation. Forma Refrigerated and Heated Baths and Circulators. serviced nationwide. Write for literature.
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Forma Scientific BOX 6 4 9 • MARIETTA. OHIO 4 5 7 5 0 · AREA CODE 6 1 4 / 3 7 3 - 4 7 6 3 TELEX 24-5394 · TOLL FREE IN-WATS SERVICE 8 0 0 - 8 4 3 - 9 7 3 0 AREAS 1 . 2 & 3
CIRCLE 8 4 O N READER SERVICE CARD
1 2 1 2 A • A N A L Y T I C A L CHEMISTRY, V O L . 4 7 , N O . 1 3 , NOVEMBER 1 9 7 5
X-Y Recorder All models use heavy AC-servo pen drive motors which have no brushes to burn out and carry a life-time guaran tee. Accuracy is better than 0.25% full scale, and repeatability is 0.1% full scale. Other features include excellent inking system, up to 16 input ranges, low noise rejection, electrostatic chart hold, optional chart feed and winding adapter to convert to strip chart re corder, and time base. Soltec Corp. 406
