GLI pH/ORP分析仪
HACH GLI pH/ORP分析仪，有三种规格的控制器P53、P33和PRO-P3，其中PRO-P3可用于防爆场合。
pH分析仪具有两路输出，可以输出pH及温度值，仪器具有多个报警控制功能。
技术指标
                                  P53 pH/ORP控制器                        P33 pH/ORP控制器                      PRO-P3 pH/ORP变送器
pH                            -2.00 — +14.00                                -2.00 — +14.00                              -2.00 — +14.00
ORP                         -2100 — +2100mV                          -2100 — +2100mV                       -2100 — +2100mV
温度                         -20.0 — +200.0℃                             -20.0 — +200.0℃                          -20.0 — +200.0℃
继电器                     4                                                           2                                                       N/A
独立输出                 2个0/4-20mA                                     2个0/4-20mA                                  1个0/4-20mA
外壳防护等级         NEMA4X(IP65),1/2DIN                     NEMA4X(面板)(IP65),1/2DIN       NEMA4X
防爆等级                 /                                                            /                                                         Class I,Divission II,
                                                                                                                                                        Group A,B,C,D,T5
性能/稳定性           每24小时量程的0.2%,无累积             每24小时量程的0.2%,无累积      满量程的0.05%
性能/重复性           量程的0.1%或更好                              量程的0.1%或更好                        量程的0.05%
电源要求                190-260VAC                                         190-260VAC                                 16-30VDC
安装方式                面板式、墙挂式或管道                        面板式                                             面板式、墙挂式或管道
安装场合                防护等级高，可安装于室外                防护等级低，适于室内安装         防爆场所，24VDC

订购指南
以下是GLI pH/ORP分析仪控制器及安装附件，需要另购GLI 3/4"复合电极或差分电极探头。
P53A4A1N：pH/ORP控制器，190-260VAC
P33A1NN：pH/ORP控制器，190-260VAC
PRO-P3A1N：pH/ORP控制器，16-30VDC