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ASTM
PRECISION THERMOMETERS

Supplied in Yellow Back except by Quotation.
Thermometers in this and the following pages are listed in ASTM Numerical Sequence

M & W Catalog Number T-3750 / (ASTM Number)

ASTM
NO. APPLICATIONS IP
NO. RANGE DIV. LENGTH
IN MM IMMERSION *SEE
FOOT-
NOTE

1C
1F General Use-
Partial Immersion -20° to 150°C
0°to 302°F 1
2 12 1/2
12 1/2 322
322 76mm
76mm

2C
2F 62C -5° to 300°C
20° to 580°F 1
2 15 3/8
15 3/8 390
390 76mm
76mm

3C
3F 73C -5° to 400°C
20° to 760°F 1
2 16 1/4
16 1/4 413
413 76mm
76mm

4C
4F Acid Heat -1 to 105°C
30° to 220°F 1/2
1 15
15 381
381 152mm
152mm

5C
5F Cloud and Pour 1C -38° to 50°C
-36° to 120F 1
2 9 1/8
9 1/8 231
231 108mm
108mm

6C
6F Low Cloud and Pour 2C -80° to 20°C
-112° to 70°F 1
2 9 1/8
9 1/8 231
231 76mm
76mm a.d.
a.d.

7C
7F Low Distillation 5C -2° to 300°C
30° to 580F 1
2 15 1/4
15 1/4 386
386 Total
Total

8C
8F High Distillation 6C -2° to 400°C
30° to 760°F 1
2 15 1/4
15 1/4 386
386 Total
Total

9C
9F Pensky Martens Low 15C -5° to 110°C
20° to 230°F 1/2
1 11 1/4
11 1/4 287
287 57mm
57mm b.
b.

10C
10F Pensky Martens High 16C 90° to 370°C
200° to 700°F 2
5 11 1/4
11 1/4 287
287 57mm
57mm b.
b.

11C
11F Cleveland Open Flash 28C -6° to 400°C
20° to 760°F 2
5 12 1/8
12 1/8 308
308 25mm
25mm

12C
12F Density-Wide Range (Gravity) 64C
64F -20° to 102°C
-5° to 215°F 1/5
1/2 16 1/2
16 1/2 420
420 Total
Total

13C
Loss on Heat 47C 155° to 170°C 1/2 6 1/8 155 Total

14C
14F Paraffin Wax Melting Pt. 17C 38° to 82°C
100° to 180°F 1/10
1/5 14 7/8
14 7/8 377
377 79mm
79mm

15C
15F Low Softening Point 60C -2° to 80°C
30° to 180°F 1/5
1/2 15 5/8
15 5/8 397
397 Total
Total

16C
16F High Softening Point 61C 30° to 200°C
85° to 392°F 1/2
1 15 5/8
15 5/8 397
397 Total
Total

17C
17F Saybolt Viscosity 19° to 27°C
66° to 80°F 1/10
1/5 10 7/8
10 7/8 275
275 Total
Total

18C
18F Saybolt Viscosity (Reid Vapor Pressure) 23C 34° to 42°C
94° to 108°F 1/10
1/5 10 7/8
10 7/8 275
275 Total
Total

19C
19F Saybolt Viscosity 49° to 57°C
120° to 134°F 1/10
1/5 10 7/8
10 7/8 275
275 Total
Total

20C
20F 57° to 65°C
134° to 148°F 1/10
1/5 10 7/8
10 7/8 275
275 Total
Total

21C
21F 79° to 87°C
174° to 188°F 1/10
1/5 10 7/8
10 7/8 275
275 Total
Total

22C
22F Saybolt Viscosity (Oxidaion) 24C 95° to 103°C
204° to 218°F 1/10
1/5 10 7/8
10 7/8 275
275 Total
Total

23C Engler Viscosity with
Brass Ferrule 18° to 28°C 1/5 8 3/8 212 90mm

24C 39° to 54°C 1/5 9 1/4 237 90mm

25C 95° to 105°C 1/5 8 3/8 212 90mm

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SPECIALTY THERMS W/ REPORTS ACCESSORIES HOMEPAGE

ASTM NO.	APPLICATIONS	IP NO.	RANGE	DIV.	LENGTH IN MM		IMMERSION	*SEE FOOT- NOTE
1C 1F	General Use- Partial Immersion		-20° to 150°C 0°to 302°F	1 2	12 1/2 12 1/2	322 322	76mm 76mm
2C 2F		62C	-5° to 300°C 20° to 580°F	1 2	15 3/8 15 3/8	390 390	76mm 76mm
3C 3F		73C	-5° to 400°C 20° to 760°F	1 2	16 1/4 16 1/4	413 413	76mm 76mm
4C 4F	Acid Heat		-1 to 105°C 30° to 220°F	1/2 1	15 15	381 381	152mm 152mm
5C 5F	Cloud and Pour	1C	-38° to 50°C -36° to 120F	1 2	9 1/8 9 1/8	231 231	108mm 108mm
6C 6F	Low Cloud and Pour	2C	-80° to 20°C -112° to 70°F	1 2	9 1/8 9 1/8	231 231	76mm 76mm	a.d. a.d.
7C 7F	Low Distillation	5C	-2° to 300°C 30° to 580F	1 2	15 1/4 15 1/4	386 386	Total Total
8C 8F	High Distillation	6C	-2° to 400°C 30° to 760°F	1 2	15 1/4 15 1/4	386 386	Total Total
9C 9F	Pensky Martens Low	15C	-5° to 110°C 20° to 230°F	1/2 1	11 1/4 11 1/4	287 287	57mm 57mm	b. b.
10C 10F	Pensky Martens High	16C	90° to 370°C 200° to 700°F	2 5	11 1/4 11 1/4	287 287	57mm 57mm	b. b.
11C 11F	Cleveland Open Flash	28C	-6° to 400°C 20° to 760°F	2 5	12 1/8 12 1/8	308 308	25mm 25mm
12C 12F	Density-Wide Range (Gravity)	64C 64F	-20° to 102°C -5° to 215°F	1/5 1/2	16 1/2 16 1/2	420 420	Total Total
13C	Loss on Heat	47C	155° to 170°C	1/2	6 1/8	155	Total
14C 14F	Paraffin Wax Melting Pt.	17C	38° to 82°C 100° to 180°F	1/10 1/5	14 7/8 14 7/8	377 377	79mm 79mm
15C 15F	Low Softening Point	60C	-2° to 80°C 30° to 180°F	1/5 1/2	15 5/8 15 5/8	397 397	Total Total
16C 16F	High Softening Point	61C	30° to 200°C 85° to 392°F	1/2 1	15 5/8 15 5/8	397 397	Total Total
17C 17F	Saybolt Viscosity		19° to 27°C 66° to 80°F	1/10 1/5	10 7/8 10 7/8	275 275	Total Total
18C 18F	Saybolt Viscosity (Reid Vapor Pressure)	23C	34° to 42°C 94° to 108°F	1/10 1/5	10 7/8 10 7/8	275 275	Total Total
19C 19F	Saybolt Viscosity		49° to 57°C 120° to 134°F	1/10 1/5	10 7/8 10 7/8	275 275	Total Total
20C 20F			57° to 65°C 134° to 148°F	1/10 1/5	10 7/8 10 7/8	275 275	Total Total
21C 21F			79° to 87°C 174° to 188°F	1/10 1/5	10 7/8 10 7/8	275 275	Total Total
22C 22F	Saybolt Viscosity (Oxidaion)	24C	95° to 103°C 204° to 218°F	1/10 1/5	10 7/8 10 7/8	275 275	Total Total
23C	Engler Viscosity with Brass Ferrule		18° to 28°C	1/5	8 3/8	212	90mm
24C			39° to 54°C	1/5	9 1/4	237	90mm
25C			95° to 105°C	1/5	8 3/8	212	90mm

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