一个比较器可以进行多种测试，并提供多个输出。例如，时间过流比较器在输入电流大于整定值时，设置一个起动标志，当输入电流已经超过起动整定值，并保持一个由电流时间曲线所的时间时，又设置一个动作标志。
CAPP/USA 31820 ULTRAVIOLET FLAME DETECTOR, REBUILT
REES CHROME PLUNGER PUSHBUTTON 04917-712
ALLEN BRADLEY CMOS RAM MEMORY 32K WORDS 1775-MR8 REPAI
MAC VALVES INC PR63D PRESSURE REGULATOR NIB
INDRAMAT TRANS 01.7/1/OP 01 SERVO TRANSFER LINE CONTROL
NAMCO CONTROLS CORPORATION 10-30VDC 4-PIN PROXIMITY SWI
DURANT RATE METER VARIABLE TIME BASE 47000420
FUJITSU LIMITED FBM-F011MB BUBBLE HOLDER UNIT, NNB
FANUC A03B-0801-C113 / OD64D Output Module
FANUC A13B-0139-C252 OPERATOR PANEL
NELES-JAMESBURY SP36SR40-B SPRING RETURN ACTUATOR,
NYCOIL 19001 SELF-STORING TUBING, 1″ I.D. X 25′, LOT OF
AERO-MOTIVE SPRING DRIVEN HOSE REEL W/ HOSE
HORTON 810010 FRICTION CLUTCH, NNB
HARNISCHIEGER P&H 5100A1108-7 Frame J184T 3/1 Hp MOTOR,
