Guth Model 2100 Dom. Part No.: AS-2110-DR

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Model 2100

The Guth Model 2100 was designed using a microcontroller, eliminating broad range mercury-in-glass thermostats. All components are chrome plated or stainless steel within the wet chamber area of the instrument. The all metal top housing is chrome plated brass, preventing rust and corrosion and provides for uniform headspace heating and mechanical security for all fasteners. The simulator utilizes a graduated laboratory glass container. The simulator has external fuse protection. The circuit boards have plug-in connectors. A calibration port is provided for insertion of a National Institute of Standards and Technology (NIST) reference mercury-in-glass thermometer to verify the proper operating temperature.

NHTSA APPROVED

PERFORMANCE

Accuracy of reading:	± .05°C
Warm-up time:	<10 minutes*
Recovery time from test:	<2 seconds
Liquid level	500 ml
*Ambient @20°C

SPECIFICATIONS

Construction:	All metal, chrome plated
Weight:	5 lbs
Readout:	Bright LED digital display
Sensor:	Electronic Solid State
Power Input:	120 VAC, 60 cycle 220 - 240 VAC, 50 cycle 72 Watts

RS-232, 9600 Baud Digital Serial output of temperature & instrument status (polled)

IDLE MODE SHUTDOWN - Heater & motor turned off, idle mode displayed, controlled via RS-232 port

FEATURES

• Delivery tube heated for ethanol temperature stability
• Eight bit microprocessor control
• High stability internal voltage reference
• 12 bit digital accuracy from A/D converter
• Internal AC power transformer with AC connections isolated
• Software coded serial number
• Visual indication of system operation during warm-up (dot scan)
• Visual indication of heater activitiy via dot display
• Visual indication of system malfunction (Malfunction is displayed as an error number)
• Audible alarm indication of malfunction
• RFI protected

SYSTEM SHUTDOWN UNDER THE FOLLOWING CONDITIONS

• No solution in container
• Motor stops
• No output from shorted or open temperature sensor
• No change in solution temperature after initial 15 min. startup
• Temperature of solution <33.8°C / >34.2°C
• RFI present
• No reading from internal A/D converter

ERROR STATUS CODES

Error 1 = No solution or motor has stopped
Error 2 = Sensor open or shorted
Error 3 = Electronics need to be reset
Error 4 = Temperature >34.2°C
Error 5 = Electronics need to be reset
Error 6 = Heater inoperative or solution to cold
Error 7 = Temperature <33.8°C

WARRANTY
One year, parts and labor