Description
	
Product introduction:
Model: EH series
Name: Automatic balanced recorder
Manufacturer: Shanghai Dahua Instrument Factory
Application: EH series automatic balanced recorder
EH series of 180㎜ recorder, use the newest electric technology and reliable production technology. Record type: single-pen, double-pen, three-pen and 6~12 point and 24 point; regulation type: two-bit, three-bit, PID type; alarm type: upper limit, lower limit, upper lower limit.
Input signal: >mV-DC3 mV
Thermal resistance ->30℃(Pt100)
Scale length: 180㎜
Indication accuracy: ±0.5﹪of input range
Indication hysteresis: 0.25﹪of input range
Balanced time: about 2s(50Hz)
Model
Single-pen, multi-point
EH□□□-□□
| E | 
 | 
| H | 
 | 
| □ | 1)thermocouple 2)thermal resistance 8)Millivolt type 9)current type | 
| □□ | 26)upper(or lower)limit alarm 36)upper lower limit alarm 27)multi-point two-position regulation 28)multi-point upper limit alarm 37)multi-point three- position regulation 38)multi-point upper lower limit alarm 21)multi-point upper limit alarm 32)three- position regulation(single-pen) 00)record | 
| □□ | 01)single-pen 06)six-point 12)twelve-point 24)twenty-four-point | 
Double-pen
FH□□□□
| F | H | First pen input | Second pen input | First pen input | Second pen input | 
| 
 | 
 | 1)thermocouple 2)thermal resistance 8) Millivolt type 9)current type | 1)thermocouple 2)thermal resistance 8) Millivolt type 9) current type | 0)record 6)upper(or lower) alarm 7) upper lower alarm | 6) upper(or lower)limit alarm 7) upper lower limit alarm 0)record | 
	Three-pen
GH□□□□□□
| G | H | □ First-pen input | □ second-pen input | □ third-pen input | □□□ | 
| 
 | 
 | 1)thermocouple 2)thermal resistance 8)Millivolt type 9current | 1)thermocouple 2)thermal resistance 8)Millivolt type 9)current | 1)thermocouple 2)thermal resistance 8)\Millivolt type 9)current | 000)three pen all record 006)first, second-pen record, third-pen upper(or lower)limit alarm 007)first, second-pen record, third-pen upper lower limit alarm | 
	
	
	


 
                                                        
                                                        
                                                    