Thermometer User Manual
Page 6 
CAPACITANCE 
Capacitance 61-633  61-635 
4nF, 40nF 
400nF, 4µF 
± (1 .90% + 20d)  ± (0.90% + 20d) 
40µF, 400µF  ± (2.90% + 20d)  ± (1 .90% + 20d) 
4mF, 10mF  ± (3.90% + 20d)  ± (2.90% + 20d) 
Note: For best measurements, use REL 
 mode in the nF ranges. 
Range: 4nF, 40nF, 400nF, 4µF, 40µF, 400µF, 4mF, l0mF 
Resolution: lpF in the 4nF range 
Input Protection: 600V rms 
FREQUENCY COUNTER 
Range: 400Hz, 4KHz, 40KHz, 400KHz, 4MHz 
Resolution: 0.01Hz in the 400Hz range 
Accuracy:  ± (0.01% + 1d) 
Sensitivity: 0.5Vp-p, for 15Hz ~ 1 MHz, 1 Vp-p, for 1MHz ~ 4MHz 
Min. Frequency: 15Hz. 
Input Protection: 600V rms 
DUTY FACTOR 
Range: 20% ~ 80% 
Resolution: 0.1% 
Accuracy: ±6d (15Hz ~ 10KHz, 5Vp-p) 
Temperature 
Temperature 61-633  61-635 
-50°C ~ 1200°C  N.A  1°C + ld 
-100°C ~ -50°C  N.A  2°C + 1d 
-200°C ~ 100°C  N.A  3°C + 1d 
Physical Characteristics 
Characteristics  Description 
 Dimensions (H x W x D) 
200mm x 90mm x 42mm 
212mm x 100mm x 55mm(with holster) 
 Weight (with battery)   0.4Kg 
 With holster   0.6Kg 
Environmental Characteristics  Description 
 Temperature operating   0 to + 50 
 Non-Operating   -20 to + 60 
 Humidity (operating)   < 80% R.H. 
 Altitude Operating   2,222 m (7290 ft.) 
 Non-Operating   12,300 m (40354 ft.) 
 Vibration & shock Operating 
 MIL-T-28800E TYPE II Class 5 
 2.66gRMS, 5 to 500 Hz, 3axes 
 (10 minutes each) 
 Dust / Water Protection IP Rating   IP 64 
 Indoor Use   
Form Number TM61633-5  Rev 5 Dec 2006 










