Specifications: Fluke 961A/961B/961C Temperature Humidity Logger with USB Connection
| 961A | 961B | 961C | ||
| Detailed Specifications | ||||
| Sensor Type | Internal | External | External | |
| Temperature Measurement | ||||
| Temperature Measurement Range | -30.0 C to 70.0 C | -85.0 C to 150.0 C | -40.0 C to 85.0 C | |
| Accuracy | 0.4 C | (0.3 + 0.005 x |readings|) C | 0.4 C | |
| Resolution | 0.1 C | |||
| Humidity Measurement | ||||
| Range | 0% to 100.0% RH | NA | 0% to 100.0% RH | |
| Accuracy | 3% RH (20 to 80% RH @ 25 C); 5% RH (<20% RH, >80% RH @ 25 C) | NA | 3% RH (20 to 80% RH @ 25 C); 5% RH (<20% RH, >80% RH @ 25 C) | |
| Resolution | 0.1% RH | NA | 0.1% RH | |
| Date Storage | 32 000 | |||
| Logging Interval | 10 s to 24 hr | |||
| Start Mode | Press button or use software | |||
| Stop Mode | Press button, use software or stop-when-full | |||
| Alarm Threshold | Up to 3 upper temperature limits and 2 lower temperature limits 1 upper humidity limit and 1 lower humidity limit | |||
| Alarm Type | Single / Cumulative | |||
| Report Format | PDF (direct read via a PC), Excel and TXT (via PC software) | |||
| General Specifications | ||||
| Temperature | Operating | -30 C to 70 C (the Logger) | ||
| Storage | -30 C to 70 C (the Logger) | |||
| Altitude | Operating | 2 000 m | ||
| Storage | 12 000 m | |||
| Relative Humidity | Operating | 0% RH to 100% RH, non-condensing | ||
| Storage | <75% RH | |||
| Power Supply | Battery type | CR2450 x 1 | ||
| Battery Life | 1 year (logging @ 15 min interval, 25 C) | |||
| Safety | IEC 610101-1, Pollution Degree 2 | |||
| Dimensions (L x W x H) | 107 mm x 47 mm x 17 mm (No external probe) | |||
| Weight | 60 g (with battery) | 88 g (with battery) | 78 g (with battery) | |
| IP Rating | IEC 60529: IP65 | |||
| Electromagnetic Compatibility (EMC) | IEC 61326-1: Basic Electromagnetic Environment; CISPR 11: Group 1, Class A | |||
| Group 1: Equipment intentionally generates and/or uses conductive-coupled RF energy, which is necessary for its internal operation. Class A: Equipment is suitable for use in all establishments other than domestic and those directly connected to a low-voltage power supply network that supplies buildings used for domestic purposes. There may be potential difficulties in ensuring electromagnetic compatibility in other environments due to conducted and radiated disturbances. Caution: This equipment is not intended for use in residential environments and may not provide adequate protection to radio reception in such environments. | ||||
