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Месяц | Минимальная цена | Макс. стоимость |
---|---|---|
Aug-15-2025 | 184.81 $* | 188.7 $* |
Jul-15-2025 | 149.48 $* | 152.9 $* |
Jun-15-2025 | 181.77 $* | 185.40 $* |
May-15-2025 | 180.4 $* | 184.95 $* |
Apr-15-2025 | 144.61 $* | 147.6 $* |
Mar-15-2025 | 177.94 $* | 181.93 $* |
Feb-15-2025 | 175.7 $* | 179.4 $* |
Jan-15-2025 | 174.85 $* | 177.97 $* |
Pararmeters | pH controller | pH controller | pH controller |
Model | SUP-PH2.0 | SUP-PH3.0 | SUP-PH36.0 |
Display | 2.8-inch LCD | 2.8-inch LCD | 2.8-inch LCD |
Measuring range | pH(O-14pH)ORP(-1000-+1000mV) (the wide range can be customized) | pH(O-14pH)ORP(-1000-+1000mV) (the wide range can be customized) | pH(0-14pH) orP(-2000-2000mv) |
Accuracy | pH±0.02pH; ORP±1mV | pH±0.02pH; ORP±1mV | pH±0.02pH; ORP±1mV |
Dispay resolution | pH 0.01pH;ORP 1mV | pH 0.01pH;ORP 1mV | pH 0.01pH;ORP 1mV |
Stabilty | <0.02pH/24h;ORP<3mV/24h | <0.02pH/24h;ORP<3mV/24h | <0.02pH/24h;ORP<3mV/24h |
hput resistance | >1012Ω | >1012Ω | >1012Ω |
lermperature range | 0~100℃,Accuracy: ±0.5℃ | "-10~130℃,Accuracy:±0.3℃ | "-10~130℃,Accuracy:±0.5℃ |
Temperature corrpersation | 0-100℃ manualautornatic (NTC10K) | 0-100℃ manualautormatic (NTC10K) | -10-130℃ manualautomatic (NTC10K) |
Power supply | AC220V±10% 50Hz | AC220V±10%50Hz | AC220V±10%50Hz |
Relay output | One group for high and low limit alarm(3A/250V/AC), often open contact relay | One group for high and low limit alarm(3A/250V/AC), often open contact relay | One group for high and low limit alarm(3A/250V/AC), often open contact relay |
corrrmurication | RS-485 MODBUS RTU protocol | RS-485 MODBUS RTU protocol | RS-485 MODBUS RTU protocol |
Transrission output | Isolation and transmission 4-20mA output may be set. The maximum loop is 750Ω,0.1%F. S | Isolation and transmission 4-20mA output may be set. The maximum loop is 750Ω,0.1%F. S | Isolation and transmission 4-20mA output may be set. The maximum loop is 750Ω,0.1%F. S |
Overall dmensio imm) | 98x98x130mm | 101x105x128mm | 100x100x150mm |
Panel Cutout Size(mm) | 92+1x92+1mm | 93+1x93+1mm | 92.5+1x92.5+1mm |
Данные ресурс не является интернет-магазином, а лишь содержит ссылки на международную торговую площадку Alibaba.com