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SPECIFICATIONS
INTERIOR DIMENSIONS
INCHES W x H x D
(CM) W x H x D
EXTERIOR DIMENSIONS
INCHES W x H x D
(CM) W x H x D
TEMPERATURE RANGE
CONTROL STABILITY
@ 100C
@ 200C
STANDARD ELECTRICAL
VOLTS/AMPS
WATTS
PLUG/NEMA
*Standard models voltage only, optional 230 voltage available by adding (-1) onto model number. Check label on back of unit.
WEIGHT
SHIPPING
STAND ALONE
Common Unit Construc�on
Exterior:
Insula�on:
Thermo-control:
Issue Rev B 0120
Copyright Quincy Lab Inc. 2020
Bench Series Ovens Operating Manual
MODEL
21-250
25.5x19.7x24
64x49.5x60
33x24x35.5
83x60x90
300 F/150 C
+/- 2.0 C
NA
120/8.75*
1050
5-15P*
185
165
Powder Coated Steel
Rockwool Insula�on
Hydraulic Thermostat
Quincy Lab Inc. 1925 N. Leamington Ave.
Standard Contents
(1) Bench Series Oven
(2) Adjustable nickel plated wire shelves
(4) Shelf brackets
Approvals:
Underwriter's UL / CUL, United States/
Canadian for laboratory equipment.
Compliance: UL Standard 61010-1
IEC 61010-1.
MODEL
MODEL
21-350
31-250
25.5x19.7x24
25.5x29.7x24
64x49.5x60
64x75.5x60
33x24x35.5
33x34x35.5
83x60x90
83x86x90
450 F/232 C
300 F/150 C
+/- 2.5 C
+/- 2.0 C
+/- 3.0 C
+/- 2.5 C
120/16*
115/8.75*
1920
1000
5-20P*
5-15P*
185
225
165
200
Interior:
Aluminized Steel (SS Op�onal)
Motor:
Sealed Ball Bearing
Heater:
Resis�ve Tubular Incoloy
Chicago, Illinois
Models 21 /31 /51
NOT FOR USE WITH FLAMMABLE
SOLVENTS OR GASES
MODEL
31-350
25.5x29.7x24
25.5x19.7x22.5
64x75.5x60
33x34x35.5
83x86x90
450 F/232 C
550 F/287 C
+/- 2.5 C
+/- 3.0 C
+/- 3.0 C
+/- 3.5 C
120/16*
1920
5-20P*
225
200
1-800-482-HEAT (4328)
MODEL
51-550
64x49.5x57
33x24x35.5
83x60x90
230/12.5
2850
6-20P
195
170
PAGE 1
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Summary of Contents for Quincy lab Bench Series
- Page 1 Aluminized Steel (SS Op�onal) Insula�on: Motor: Rockwool Insula�on Sealed Ball Bearing Thermo-control: Hydraulic Thermostat Heater: Resis�ve Tubular Incoloy Quincy Lab Inc. 1925 N. Leamington Ave. Chicago, Illinois 1-800-482-HEAT (4328) Issue Rev B 0120 Copyright Quincy Lab Inc. 2020 PAGE 1...
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Page 2: Setup And Installation
Plug the unit into a grounded outlet for your unit's rated voltage. Isolate each model to a separate, appropriately rated circuit or breaker. Below are NEMA plug configurations that are supplied with the various Bench Series ovens. These configurations will also help to identify the ovens electrical rating or power requirements. -
Page 3: General Operation
Shelf Installation and Use Install adjustable shelf by first placing the shelf bracket rivets into the corresponding keyhole supports located on each inner side of the oven. Orientate the bracket in the "down" or " L" position. This position guides the shelf in and out and protects the side wall from being scratched.The bracket may also be placed in the "up"... -
Page 4: Control Calibration
Chamber Loading and Oven Performance When loading the oven place items in the oven in such way that air TOP VIEW AIR FLOW circulation within the oven is not impaired. Note the air flow from the (SECTION) top section view (FIG. 4). Heated air flows from back to front along the side walls, moves horizontally toward the chamber center and then back toward the recirculating blower. -
Page 5: Clearance Requirements
Safety Alarm Reset THERMO SAFETY ALARM REMOVE SNAP DISC HOLE The unit incorporates a thermo safety shut-off. In the event of electron- PLUG TO ACCESS SAFETY ic failure, an internal “snap disc” will cut off power to the unit until it is RESET DISC BUTTON. -
Page 6: Technical Support
Maintenance / Control Calibration / Cleaning Procedures The Bench Series Ovens are designed to be virtually maintenance free. But operational safety requires periodic clean- ing and chamber temperature accuracy verification. CONTROL CALIBRATION Twice a year, check the actual oven chamber temperature against a known accurate temperature measurement device.
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