| SPECIFICATIONS | 
                                                
                                                  |  | 
                                                
                                                
                                                
                                                  | Amplifier Probe (183CB-A) | Frequency Detection : 1Hz ~ 12kHz | 
                                                
                                                
                                                
                                                  |  | Receiver Distance Sensitivity Control : < 50 cm | 
                                                
                                                
                                                
                                                  | Tone Generator (183 CB-TFG) | Waveform : Square Wave | 
                                                
                                                
                                                
                                                  |  | Frequency : 1k Hz +/- 15% | 
                                                
                                                
                                                
                                                  |  | Over Voltage Protection : 80V DC | 
                                                
                                                
                                                
                                                  |  | Alternating Tone : Fast and slow | 
                                                
                                                
                                                
                                                  |  | Connection : RJ11 connector | 
                                                
                                                
                                                
                                                  | Phone Tester (183CB-TFG) | U test : < 4.75V | 
                                                
                                                
                                                
                                                  |  | I test : < 2mA | 
                                                
                                                
                                                
                                                  |  | Resistance : 0 ~ 2 M | 
                                                
                                                
                                                
                                                  | GENERAL |  | 
                                                
                                                
                                                
                                                  | Operating Temperature & Humidity | 0 degree C ~ 40 degreee C, 80% Max. | 
                                                
                                                
                                                
                                                  | Storage Temperature & Humidity | -10 degree C ~ 50 degree C, 80% Max. | 
                                                
                                                
                                                
                                                  | Power Source | Amplifier Probe : 9V battery. | 
                                                
                                                
                                                
                                                  |  | Phone Tester / Generator : 1.5V AA battery x 6 | 
                                                
                                                
                                                
                                                  | Dimensions | Amplifier Probe : 270 (L) x 50 (W) x 25 (H) mm | 
                                                
                                                
                                                
                                                  |  | Phone Tester / Generator : 143 (L) x 74.5 (W) x 33.6 (H) mm | 
                                                
                                                
                                                
                                                  | Weight | Amplifier Probe : 125g (battery included) | 
                                                
                                                
                                                
                                                  |  | Amplifier Probe :  g (battery included) | 
                                                
                                                
                                                
                                                  | Safety Standard | , , , | 
                                                
                                                
                                                
                                                  | Accessories | Instruction Manual | 
                                                
                                                
                                                
                                                  |  | Batteries | 
                                                
                                                
                                                
                                                  |  | Carry pouch |