This model has been replaced with TH-PM60CH.
TH-PM20CH - Fiber Optic Power Meter, 800 nm - 1700 nm, -50 to +23 dBm (10 nW - 200 mW)
Product Drawing
| Power Meter Item # |
THPM20CH |
| Sensor Specifications |
| Optical Power Range |
-50 dBm to 23 dBm (10 nW - 200 mW) |
| Spectral Range |
800 - 1700 nm |
| Detector Type |
InGaAs |
| Sensor Size |
Ø2 mm |
| Input Aperture |
Ø2 mm |
| Aperture Thread |
SM05 Thread (0.535"-40) for Fiber Adapters Fiber Adapter Included for FC Connectors (FC/PC or FC/APC) |
| Measurement Uncertainty |
±0.25 dB |
| Measurement Standard |
NIST Traceable |
| Optical Damage Threshold |
50 W/cm² |
| General Console Specifications |
| Detector Compatibility |
- |
| Display Type |
Alphanumeric 8-Digits LCD |
| Display Format |
4 Digit Read Out with Units and Symbols |
| Power Units |
dBm, dB, nW, µW, mW |
| Resolution |
14 bit |
| Sample Rate |
10 Hz |
| Dimensions (H x W x D) w/ Holster |
125 x 80 x 39 mm (4.9" x 3.1" x 1.5") |
| Weight |
0.2 kg (0.44 lbs) |
| Operating Temperature |
5 °C to 40 °C (Non-Condensing) |
| Storage Temperature |
-20 °C to 70 °C |
| Power Management |
| Battery Operation |
Internal NiMH Battery Pack, 150 mAh, 6 V |
| Operating Time |
50+ Hours |
| Shutdown |
Manual, Auto 5 Minutes, or Auto 60 Minutes |
| Charger |
3-Hour Battery Charger Included |
| Charger Power Supply |
Input: 90 - 264 VAC, 50 - 60 Hz; Output: 12 VDC @ 0.85 A |