34C Simulator

Note: We no longer sell this product as it has now been made obsolete by the 12V500 Duplex Alcohol Simulator.

If you are in need of service or parts for this unit, please contact our support either by phone, e-mail, or our online contact form.

Thank you for your understanding.

SKU: G34C Category:


The Guth Model 34C Simulator is approved by the National Highway Traffic Safety Administration (NHTSA) and published on their Conforming Products List (CPL). Simulator has a completely adjustable solid state temperature controller eliminating broad range mercury-in-glass thermostats. Components within the wet chamber area of the simulator are rust resistant, chrome plated, or stainless steel. The all metal non-magnetic top housing is nickel plated brass with a matte finish, preventing rust and corrosion. This provides for uniform headspace heating and outstanding mechanical security for all fasteners.

Additional information

Weight 4 lbs
Dimensions 4.5 × 10 in


About This Product

The Model 34C has a double pole power switch to eliminate shock hazard, plug-in replaceable long life neon power and heater indicator lamps. An external plug-in fuse is provided offering convenient replacement. When the sensing probe is either shorted or open, the immersion heater will be disabled. A safety ground wire is welded to this heater housing to prevent electrical shock hazard in the event an internal electrical malfunction occurs. The heater will also turn off automatically if solution is absent from the wet chamber area. The heating element will turn off when the simulator is subjected to a RF field of 10 volts/meter or greater.

The simulator is provided with a high precision serialized mercury-in-glass National Institute of Standards and Technology (NIST) reference thermometer to monitor temperature of the solution.

Recovery time – less than 10.0 seconds

  • No grommets in test chamber


Container Seal: O ring neoprene


Temperature Controller: Solid State
Heater Shutoff Protection: No solution in container
Shorted or open sensor.
RF fields of 10 volts/meter or greater.
Printed Circuit Board: Gold plated plug-in edge board connector

NIST Mercury-in-Glass serialized reference thermometer



General Specs


Construction Nickel Plated Brass w/ Matte Finish
Readout Bright LED Display
Sensor Electronic Solid State
Power Input Domestic: 105/130 VAC @ 60 Hz
Power Consumption 70 watts – external fused @ 1.0 amp (plug-in)
Warranty 1 Year Parts + Labor


Size (h x w x d) 10 x 4.5 x 4.5 in (254 x 114.3 x 114.3 mm)
Weight 4.0 lbs – (1.816 kg)
Inlet Tube 3/4 in (19.05 mm)
Outlet Tube 3/4 in (19.05 mm)


Electrical Specs

Domestic Power Input 105/130 VAC @ 60 Hz
Foreign Power Input:
External Safety Fuse Easy, accessible plug-in 1.0 AMP fuse
Power Switch Single Pole mounted in top housing
Indicator Power Lamp Neon
Indicator Heat Lamp Neon
Temperature Controller Serialized Mercury-in-Glass Thermostat
Immersion Heater safety ground wire welded to heater housing for shock prevention




Temperature Range 34_C +/- 0.05_C
Recovery Time Recovery time – less than 10.0 seconds
Laboratory Glass Container 500 ml +/- 5% Fill mark molded into glass container
Secondary Baffle Provided
Heated Head Space yes
Heated Output Exhaust yes
Warm Up Time less than 10 minutes


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