***型*电*视*场*强*仪*H*T*8*9*8*-*2*A*(*图*)*

*类*型*:***型*电*视*场*强*仪* *品*牌*:*天*津* *型*号*:*H*T*8*9*8*-*2*A* *频*率*:*4*6*M*H*z*～*8*7*0*M*H*z*（*M*H*z*）* *电*平*:*3*0*-*1*1*5* *d*B*u*V*（*V*）* *外*形*尺*寸*:*2*6*8*m*m* *x*3*0*5*m*m* *X* *1*4*3*m*m*（*m*m*）* *重*量*:*7*.*1*2*K*G*（*k*g*）*<*b*r* *>*<*p*>*<*s*p*a*n* *s*t*y*l*e*=*"*f*o*n*t*-*s*i*z*e*:* *1*2*p*t*;*"*>* *<*/*s*p*a*n*>*<*s*p*a*n* *s*t*y*l*e*=*"*f*o*n*t*-*s*i*z*e*:* *1*6*p*t*;* *f*o*n*t*-*f*a*m*i*l*y*:* *A*r*i*a*l*;*"*>*<*s*p*a*n* *s*t*y*l*e*=*"*f*o*n*t*-*f*a*m*i*l*y*:* *黑*体*;*"*>*<*/*s*p*a*n*>*<*/*s*p*a*n*>*<*/*p*>*<*p*>*<*s*p*a*n* *s*t*y*l*e*=*"*f*o*n*t*-*s*i*z*e*:* *1*2*p*t*;*"*>* *<*/*s*p*a*n*>*<*/*p*>*<*p*>*<*/*p*>*<*p*>*<*s*p*a*n* *s*t*y*l*e*=*"*f*o*n*t*-*s*i*z*e*:* *1*2*p*t*;*"*>* *<*/*s*p*a*n*>*<*s*p*a*n* *s*t*y*l*e*=*"*f*o*n*t*-*s*i*z*e*:* *2*2*p*t*;* *f*o*n*t*-*f*a*m*i*l*y*:* *A*r*i*a*l*;*"*>*<*s*p*a*n* *s*t*y*l*e*=*"*f*o*n*t*-*f*a*m*i*l*y*:* *黑*体*;*"*>*<*/*s*p*a*n*>*<*/*s*p*a*n*>*<*/*p*>*<*p*>*<*s*p*a*n* *s*t*y*l*e*=*"*f*o*n*t*-*s*i*z*e*:* *1*2*p*t*;*"*>* *<*/*s*p*a*n*>*<*/*p*>*<*p*>*<*/*p*>*<*p*>*<*s*p*a*n* *s*t*y*l*e*=*"*f*o*n*t*-*s*i*z*e*:* *1*2*p*t*;*"*>* *<*/*s*p*a*n*>*<*s*p*a*n* *s*t*y*l*e*=*"*f*o*n*t*-*s*i*z*e*:* *2*2*p*t*;* *f*o*n*t*-*f*a*m*i*l*y*:* *A*r*i*a*l*;*"*>*<*s*p*a*n* *s*t*y*l*e*=*"*f*o*n*t*-*f*a*m*i*l*y*:* *黑*体*;*"*>*<*/*s*p*a*n*>*<*/*s*p*a*n*>*<*/*p*>*<*p*>*<*s*p*a*n* *s*t*y*l*e*=*"*f*o*n*t*-*s*i*z*e*:* *1*2*p*t*;*"*>* *<*/*s*p*a*n*>*<*/*p*>*<*p*>*<*/*p*>*<*p*>*<*s*p*a*n* *s*t*y*l*e*=*"*f*o*n*t*-*s*i*z*e*:* *1*2*p*t*;*"*>* *<*/*s*p*a*n*>*<*s*p*a*n* *s*t*y*l*e*=*"*f*o*n*t*-*s*i*z*e*:* *2*2*p*t*;* *f*o*n*t*-*f*a*m*i*l*y*:* *A*r*i*a*l*;*"*>*<*s*p*a*n* *s*t*y*l*e*=*"*f*o*n*t*-*f*a*m*i*l*y*:* *黑*体*;*"*>*<*s*p*a*n* *s*t*y*l*e*=*"*f*o*n*t*-*f*a*m*i*l*y*:* *黑*体*;*"*>*<*/*s*p*a*n*>*<*/*s*p*a*n*>*<*/*s*p*a*n*>*<*/*p*>*<*p*>*<*s*p*a*n* *s*t*y*l*e*=*"*f*o*n*t*-*s*i*z*e*:* *1*2*p*t*;*"*>* *<*/*s*p*a*n*>*<*/*p*>*<*p*>*<*/*p*>*<*p*>*<*s*p*a*n* *s*t*y*l*e*=*"*f*o*n*t*-*s*i*z*e*:* *1*2*p*t*;*"*>* *<*/*s*p*a*n*>*<*s*p*a*n* *s*t*y*l*e*=*"*f*o*n*t*-*s*i*z*e*:* *1*6*p*t*;*"*>*<*s*p*a*n* *s*t*y*l*e*=*"*f*o*n*t*-*s*i*z*e*:* *2*2*p*t*;* *f*o*n*t*-*f*a*m*i*l*y*:* *A*r*i*a*l*;*"*>*<*s*p*a*n* *s*t*y*l*e*=*"*f*o*n*t*-*f*a*m*i*l*y*:* *黑*体*;*"*>*<*/*s*p*a*n*>*<*/*s*p*a*n*>*<*/*s*p*a*n*>*<*/*p*>*<*p*>*<*s*p*a*n* *s*t*y*l*e*=*"*f*o*n*t*-*s*i*z*e*:* *1*2*p*t*;*"*>* *<*/*s*p*a*n*>*<*/*p*>*<*p*>*<*/*p*>*<*p*>*<*s*p*a*n* *s*t*y*l*e*=*"*f*o*n*t*-*s*i*z*e*:* *1*2*p*t*;*"*>* *<*/*s*p*a*n*>*<*s*p*a*n* *s*t*y*l*e*=*"*f*o*n*t*-*s*i*z*e*:* *2*2*p*t*;* *f*o*n*t*-*f*a*m*i*l*y*:* *A*r*i*a*l*;*"*>*<*s*p*a*n* *s*t*y*l*e*=*"*f*o*n*t*-*s*i*z*e*:* *2*2*p*t*;* *f*o*n*t*-*f*a*m*i*l*y*:* *A*r*i*a*l*;*"*>*<*s*p*a*n* *s*t*y*l*e*=*"*f*o*n*t*-*f*a*m*i*l*y*:* *黑*体*;*"*>*<*/*s*p*a*n*>*<*/*s*p*a*n*>*<*/*s*p*a*n*>*<*/*p*>*<*p*>*<*s*p*a*n* *s*t*y*l*e*=*"*f*o*n*t*-*s*i*z*e*:* *1*2*p*t*;*"*>* *<*/*s*p*a*n*>*<*/*p*>*<*p*>*<*/*p*>*<*p*>*<*s*p*a*n* *s*t*y*l*e*=*"*f*o*n*t*-*s*i*z*e*:* *1*2*p*t*;*"*>* *<*/*s*p*a*n*>*<*s*p*a*n* *s*t*y*l*e*=*"*f*o*n*t*-*s*i*z*e*:* *2*2*p*t*;* *f*o*n*t*-*f*a*m*i*l*y*:* *A*r*i*a*l*;*"*>*<*s*p*a*n* *s*t*y*l*e*=*"*f*o*n*t*-*f*a*m*i*l*y*:* *黑*体*;*"*>*<*/*s*p*a*n*>*<*/*s*p*a*n*>*<*/*p*>*<*p*>*<*s*p*a*n* *s*t*y*l*e*=*"*f*o*n*t*-*s*i*z*e*:* *1*2*p*t*;*"*>* *<*/*s*p*a*n*>*<*/*p*>*<*p*>*<*/*p*>*<*p* *c*l*a*s*s*=*"*M*s*o*N*o*r*m*a*l*"* *s*t*y*l*e*=*"*m*a*r*g*i*n*:* *0*c*m* *0*c*m* *0*p*t*;*"*>*<*s*p*a*n* *s*t*y*l*e*=*"*f*o*n*t*-*s*i*z*e*:* *2*2*p*t*;*"*>*<*s*p*a*n* *s*t*y*l*e*=*"*f*o*n*t*-*f*a*m*i*l*y*:* *s*i*m*s*u*n*;*"*>*<*s*p*a*n* *s*t*y*l*e*=*"*f*o*n*t*-*s*i*z*e*:* *1*2*p*t*;*"*>*H*T*8*9*8*-*2*/*H*T*8*9*8*-*2*A*<*/*s*p*a*n*>*<*/*s*p*a*n*>*<*/*s*p*a*n*>*<*/*p*>*<*p* *c*l*a*s*s*=*"*M*s*o*N*o*r*m*a*l*"* *s*t*y*l*e*=*"*m*a*r*g*i*n*:* *0*c*m* *0*c*m* *0*p*t*;*"*>*<*s*p*a*n* *s*t*y*l*e*=*"*f*o*n*t*-*f*a*m*i*l*y*:* *s*i*m*s*u*n*;*"*>*<*s*p*a*n* *s*t*y*l*e*=*"*f*o*n*t*-*s*i*z*e*:* *1*2*p*t*;*"*>* *本*仪*器*既*可*在*频*道*方*式*或*频*率*方*式*下*测*量*有*线*电*视*信*号*的*点*频*场*强*值*；*又*可*在*扫*描*方*式*下*对*全*频*道*进*行*频*道*扫*描*并*可*存*储*多*达*二*十*三*组*测*量*结*果*；*还*可*在*频*谱*方*式*下*对***带*宽*的*频*率*进*行*频*谱*测*量*显*示*（*中*心*频*率*和*带*宽*可*自*定*义*）*；*另*外*也*可*测*量*有*线*电*视*系*统*的*斜*率*、*载*噪*比*和*干*线*馈*电*电*压*等*多*种*参*数*。*<*b*r* */*>*<*b*r* */*>*本*仪*器*所*具*有*的*大*点*阵*液*晶*能*清*晰*地*显*示*各*种*测*量*结*果*，*尤*其*适*用*于*各*有*线*电*视*台*、*站*作*为*有*线*系*统*的***测*量*仪*器*。*<*b*r* */*>*<*b*r* */*>*本*仪*器*配*备*6*寸*彩*色*显*像*管*，*黑*白***器*具*备***输*入*端*口*，*可*接*入*音*频*视*频*信*号*。*还*可*数*字*化*调*整*音*量*、*对*比*度*、*亮*度*。*<*b*r* */*>*<*b*r* */*>*电*平*测*量*:*<*b*r* */*>*<*b*r* */*>* * * * * * *测*量*频*率*范*围*:* * * * * *4*6*M*H*z*～*8*7*0*M*H*z*(*H*T*8*9*8*-*2*)*<*b*r* */*>*<*b*r* */*>* * * * * * * * * * * * * * * * * * * * * * * * *5*M*H*z*～*8*7*0*M*H*z*(*H*T*8*9*8*-*2*A*前*面*板*与*H*T*8*9*8*-*2*一*致*)*<*b*r* */*>*<*b*r* */*>*分*辨*率*带*宽*：* * * * *　*2*8*0*k*H*z*&*p*l*u***n*;*5*0*k*H*z*　* * *　*<*b*r* */*>*<*b*r* */*>* * * * * * *频*率*分*辨*率*:* * * * * *5*0*k*H*z*<*b*r* */*>*<*b*r* */*>* * * * * * *测*量*范*围*:* * * * * * * * * *3*0*-*1*1*5* *d*B*u*V*<*b*r* */*>*<*b*r* */*>* * * * * * *测*量*精*度*:* * * * * * * * * *&*p*l*u***n*;*1*.*5*d*B*u*V* *(*常*温*)*<*b*r* */*>*<*b*r* */*>* * * * * * * * * * * * * * * * * * * * * * * * *&*p*l*u***n*;*2*.*5*d*B*u*V* *(*-*1*0*℃*-*-*+*4*5*℃*)*<*b*r* */*>*<*b*r* */*>* * * * *输*入*阻***:* * * * * * * * *　*7*5*&*O*m*e*g*a*;*（*不*平*衡*Ｆ*型*接*头*）*<*b*r* */*>*<*b*r* */*>* * * * * * *检*波*方*式*：* * * * * * * * *峰*值*检*波*<*b*r* */*>*<*b*r* */*>*自*动*扫*描*测*量*<*b*r* */*>*<*b*r* */*>* * * * *扫*描*频*道*:* * * * * * * * ***多*每*组*1*0*0*个*频*道*（*共*１*４*组*）*<*b*r* */*>*<*b*r* */*>* * * * *扫*描*速*度*:* * * * * * * * *3*0*个*频*道*/*分*<*b*r* */*>*<*b*r* */*>* * * * *记*忆*单*元*数*量*:* * * * *2*3*组*。*<*b*r* */*>*<*b*r* */*>*干*线*电*压*测*量*<*b*r* */*>*<*b*r* */*>* * * * *测*量*范*围*:* * * * * * * * *0*-*1*0*0*V*交*流*<*b*r* */*>*<*b*r* */*>* * *测*量*精*度*:* * * * * * *　*&*p*l*u***n*;*2*.*0*V* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *<*b*r* */*>*<*b*r* */*>* * * * *分*辨*率* * *:* * * * * * * * *0*.*1*V* * * * *<*b*r* */*>*<*b*r* */*>*其*它*<*b*r* */*>*<*b*r* */*>* * * * *外*形*尺*寸*:* * * * * * * * *2*6*8*m*m* *x*3*0*5*m*m* *X* *1*4*3*m*m*<*b*r* */*>*<*b*r* */*>* * * * *整*机*重*量*:* * * * * * * * *7*.*1*2*K*G*<*b*r* */*>*<*b*r* */*>* * * * *工*作*温*度*:* * * * * * * * *-*1*0*℃*～*+*4*0*℃*<*b*r* */*>*<*b*r* */*>* * * * *液*晶*显*示*器*:* * * * * * *1*2*8*X*6*4*大*屏*幕*点*阵*液*晶*显*示*器*(*带*E*L*背*景*光*)*<*b*r* */*>*<*b*r* */*>* * * * * * *C*R*T*:* * * * * * * * * * * * * * * * * * * * * * * * *6*寸*彩*色*显*像*管*<*b*r* */*>*<*b*r* */*>*电*源*<*b*r* */*>*<*b*r* */*>* * * * * * *直*流*供*给*:* * * * * * * * *D*C*1*2*V*/*3*2*0*0*m*A*h* *镍*氢*蓄*电*池* *<*b*r* */*>*<*b*r* */*>* * * * *交*流*供*给*:* * * * * * * * *A*C*2*2*0*V*/*5*0*H*z*&*p*l*u***n*;*1*0*%*<*b*r* */*>*<*b*r* */*>* * * * *电*池*工*作*时*间*:* * * * *连*续*工*作*时*间*大*于*7*.*0*小*时*（*关*闭*显*示*器*情*况*下*）*<*b*r* */*>*<*b*r* */*>* * * * * * * * * * * * * * * * * * * * * * * * *连*续*工*作*时*间*大*于*2*.*0*小*时*（*开*启*显*示*器*情*况*下*）*<*b*r* */*>*<*b*r* */*>* * *电*池*充*电*时*间*:* * * * *1*2*-*1*4*小*时*<*b*r* */*>*<*b*r* */*>*随*机*附*件*<*b*r* */*>*<*b*r* */*>* * * * * * ***充*电*电*源*:* * ***充*电*器*1*个*<*b*r* */*>*<*b*r* */*>* * * * * * *射*频*输*入*头*：* * * * *Ｆ*型*　*1*个*　*F*转*视*频*插*头*1*个*<*b*r* */*>*<*b*r* */*>* * * * * * *使*用*说*明*书*:* * * * * * *1*本* *<*b*r* */*>*<*/*s*p*a*n*>*<*/*s*p*a*n*>*<*/*p*>*