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| Thermometers |
| Retort and Pipe Thermometers |
The Retort Thermometer was developed in co-operation with leading canning companies to match the particular requirements of the industry to both safeguard public health and to produce canned foods of the highest quality.
As well as instruments manufactured under the Russell Scientific Instruments name, we manufacture, service and repair Tetcol retort thermometers, Short & Mason, Tycos, Taylor and other makes.
Thermometers can be supplied straight or angled and with or without a clear plastic window. A works certificate is supplied for guaranteed accuracy of performance. The retort thermometer incorporates many safety features including:
A sealing gland to eliminate any movement of the thermometer against the scale while working under steam pressure.
A check datum line.
Easy reading reflecting glass to magnify the mercury column.
Approximately 210mm length scale with wide divisions for greater accuracy.
Heavy, robust brass protective cases with stainless steel immersion.
Construction features:
the scales are very clear and easy to read. The datum line is used to show that the tube has not moved. The frame and scales are all numbered for record keeping purposes. Installation of the thermometer is very easy as the swivel nut turns freely on the stem. A retort thermometer can be installed very quickly in a separable well. The separable well connection is installed permanently in the apparatus as this gives it the best resistance to prevent contamination, and eliminates any need to draw-down the plant.
Pipe thermometers
Pipe thermometers are a budget instrument for checking the temperatures of liquids flowing through pipes. They are available in two forms: straight or right angle.
Immersions, connection details and temperature range are all available on application to match your design and specific requirements.
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6101 |
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90° retort thermometer
back angle retort thermometer, with separable well.
See below for all dimensions.
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6001 |
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Straight retort thermometer
with separable well.
See below for all dimensions.
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6703 |
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135° oblique angle retort thermometer
left side angle retort thermometer, with separable well.
See below for all dimensions.
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6503 |
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135° oblique angle thermometer
back angle, with separable well.
See below for all dimensions.
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6303 |
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90° retort thermometer
left side angle, with separable well.
See below for all dimensions.
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Wells |
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Separable wells
Left to right
1. Extended well with ¾" or 1" BSP(T) or NPT thread.
2. Standard well for 91mm immersion with ¾" or 1" BSP(T) or NPT thread.
3. Union hub with ¾" or 1" BSP(T) or NPT thread.
4. Union hub with 1/2" BSP(T) thread.
Please click on More Info button to see all dimensions.
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52 |
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Type 52
available with a brass casing, with either mercury or red spirit thermometer. Available with various immersions and thread connections, as required.
Normal range 0° to 120°C. Other ranges available to order.
190mm head
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52A |
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Type 52A
Brass cased thermometer with various immersions and thread connections, as required.
Normal range 0° to 120°C. Other ranges available to order
190mm head
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6000 |
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Retort Thermometer Schematic
Schematic cutaway of a retort thermometer, for information.
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53 |
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Type 53
available in a brass casing, with either mercury or red spirit thermometer. Available with various immersions and thread connections, as required.
Normal range 0° to 120°C. Other ranges available to order.
250mm head
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53A |
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Type 53A
Brass cased thermometer available with various immersions and thread connections, as required. Mercury or spirit thermometer. Normal range 0° to 120°C. Other ranges available to order.
300mm head
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50 |
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APV thermometer
with chromed brass case with wing or hexagon nut connection. Mercury or spirit thermometer. Available in ¾" or 1" BSP.
Normal range -20° to 120° C and F. Other ranges available to order.
250mm head
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50A |
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APV angle thermometer
with chromed brass case with wing or hexagon nut connection. Mercury or spirit thermometer. Available in ¾" or 1" BSP.
Normal range -20° to 120° C and F. Other ranges available to order.
250mm head
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51 |
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V-shaped thermometer - straight
suitable for use in many industrial, naval and heating facilities, where robustness, reliability and resistance to vibration are required. Please specifiy range required. Available in three case sizes:
51.110 110mm x 30mm
51.150 150mm x 36mm
51.200 200mm x 36mm
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51A |
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V-shaped thermometer - 90° elbow joint
suitable for use in many industrial, naval and heating facilities, where robustness, reliability and resistance to vibration are required. Please specifiy range required. Available in three case sizes:
51A.110 110mm x 30mm
51A.150 150mm x 36mm
51A.200 200mm x 36mm
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Scale Length |
A |
B |
C |
D |
E |
G |
H |
I |
J |
K |
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| 10 1/2 ins |
2 3/32 |
11 15/16 |
2 13/32 |
1 1/8 |
2 7/8 |
19/32 |
3 1/2 |
1 15/16 |
2 1/8 |
3 3/4 |
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| 267 mm |
53 |
303 |
61 |
29 |
73 |
15 |
89 |
49 |
54 |
95 |
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Catalogue numbers for straight and angle thermometers with nominal 267mm (10 1/2") scale
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| Bulb or Well Fitting |
Straight |
90°
Back Angle |
90°
Right Side Angle |
90°
Left Side Angle |
135°
Oblique Angle |
135°
Oblique Right Side Angle |
135°
Oblique Left Side Angle |
225°
Oblique Angle |
* Union Connection Hub
W=3 1/2" |
6001 |
6101 |
6201 |
6301 |
6501 |
6601 |
6701 |
6801 |
Separable Well
W=3 9/16" |
6003 |
6103 |
6203 |
6303 |
6503 |
6603 |
6703 |
6803 |
Union Connection Hub
Extension Stem
W=6" *, 8", or 12" |
6004 |
6104 |
6204 |
6304 |
6504 |
6604 |
6704 |
6804 |
Separable Well
W=6 1/16" |
6015 |
6115 |
6215 |
6315 |
6515 |
6615 |
6715 |
6815 |
Separable Well
2 5/8" Ext. Neck
W=6 1/16" |
6016 |
6116 |
6216 |
6316 |
6516 |
6616 |
6716 |
6816 |
Separable Well
W=8 1/16" |
6019 |
6119 |
6219 |
6319 |
6519 |
6619 |
6719 |
6819 |
Separable Well
4 5/8" Ext. Neck
W=8 1/16" |
6020 |
6120 |
6220 |
6320 |
6520 |
6620 |
6720 |
6820 |
Separable Well
2 5/8" Ext. Neck
W=8 1/16" |
6021 |
6121 |
6221 |
6321 |
6521 |
6621 |
6721 |
6821 |
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| All the above can be supplied with connection threads of 3/4" or 1" BSP, BSPT or NPT, except that * can also be 1/2" BSP, BSPT or NPT. |
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