The 3911 Apparatus can be ordered under either of two catalog numbers. No. 3911 identifies the basic apparatus without a heating mantle and without a temperature controller. No. 3916 is the same as No. 3911 except a heating mantle and a 4833 Temperature Controller are added. Two extra 500 mL reaction bottles, one extra bottle stopper and a 6-ft. pressure hose for filling the hydrogen tank are included in both cases.
Similar listings are used for the 3921 Apparatus. No. 3921 identifies the basic apparatus without a heating mantle or controller. No. 3926 identifies the same apparatus with a heating mantle and a 4833 Automatic Temperature Controller. One 1000 mL and one 2000 mL reaction bottle with appropriate connectors for each size are furnished with each apparatus, also one 6-ft. pressure hose for filling the hydrogen tank.
When ordering, specify any of the following:
| 500 mL Hydrogenation Apparatus |
| Model No. | Voltage | Description |
| 3911EA | 115V 60Hz | with Standard Motor |
| 3911EF | 230V 50Hz | with Standard Motor |
| 3911EG | 115V 60Hz | with Explosion Proof Motor |
| 3911EK | 230V 50Hz | with Explosion Proof Motor |
| 3911EG | 115V 60Hz | with Explosion Proof Motor |
| 3911EY | N/A | with Air Motor |
| 3911EGX | 115V 60Hz | with Explosion Proof Motor and Switch |
| 3911EKX | 230V 50Hz | with Explosion Proof Motor and Switch |
| 500 mL Hydrogenation Apparatus with Bottle Heater and Automatic Temperature Controller |
| Model No. | Voltage | Description |
| 3916EA | 115V 60Hz | with standard motor |
| 3916EF | 230V 50Hz | with standard motor |
| 3916EG | 115V 60Hz | with explosion proof motor |
| 3916EK | 230V 50Hz | with explosion proof motor |
| 3916EGX | 115V 60Hz | with explosion proof motor and switch |
| 3916EKX | 230V 50Hz | with explosion proof motor and switch |
| 1 and 2 liter Hydrogenation Apparatus |
| Model No. | Voltage | Description |
| 3921EA | 115V 60Hz | with standard motor |
| 3921EF | 230V 50Hz | with standard motor |
| 3921EG | 115V 60Hz | with explosion proof motor |
| 3921EK | 230V 50Hz | with explosion proof motor |
| 3921EY | N/A | air motor |
| 3921EGX | 115V 60Hz | with explosion proof motor and switch |
| 3921EKX | 230V 60Hz | with explosion proof motor and switch |
| Hydrogenation Apparatus, 1 and 2 Liter, with Bottle Heater and Automatic Temperature Controller |
| Model No. | Voltage | Description |
| 3926EA | 115V 60Hz | with standard motor |
| 3926EF | 230V 50Hz | with standard motor |
| 3926EG | 115V 60Hz | with explosion proof motor |
| 3926EK | 230V 50Hz | with explosion proof motor |
| 3926EGX | 115V 60Hz | with explosion proof motor and switch |
| 3926EKX | 230V 50Hz | with explosion proof motor and switch |
Extra Bottles and Accessories can be ordered under the following part numbers
| 500 mL Accessories – 3910 Series |
| Model No. | Description |
| 66CA | Reaction bottle, 500 ml |
| 66CA2 | Reaction bottle, 250 mL |
| A122CA | Tube with fittings, 500 mL |
| A122CA2 | Tube with fittings, 250 mL |
| A103CA | Water cooling jacket for 500 mL bottle |
| A159CA2PA | Thermocouple assembly, 500 mL |
| A159CAPA | Thermocouple assembly, 250 mL |
| A450EEB | Heating mantle, 100 watt, 115V |
| A450EEE | Heating mantle, 100 watt, 230V |
| 4833EB | Automatic Temperature Controller, 115V 50/60 Hz |
| 4833EE | Automatic Temperature Controller, 230V 50/60 Hz |
| 1 & 2 LITER ACCESSORIES – 3920 Series |
| Model No. | Description |
| 71CA | Reaction bottle, 1000 mL |
| 71 CA2 | Reaction bottle, 1000 mL, fiberglassed |
| 72CA | Reaction bottle, 2000 mL |
| 72CA3 | Reaction bottle, 2000 mL, fiberglassed |
| 72CA4 | Reaction bottle, 2500 mL, extra heavy |
| Al 29CA | Stainless bottle assembly, 1700 mL, with connecting tube and fittings |
| A159CA3PA | Thermocouple assembly, 1 liter |
| A159CA4PA | Thermocouple assembly, 2 liter |
| A451EB | Heating mantle, 200 watt, 115V |
| A451EEE | Heating mantle, 200 watt, 230V |
| 4833EB | Automatic Temperature Controller, 115V 50/60 Hz |
| 4833EE | Automatic Temperature Controller, 230V 50/60 Hz |
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